751 lines
18 KiB
Go
751 lines
18 KiB
Go
package command
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"reflect"
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"strings"
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"testing"
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"github.com/davecgh/go-spew/spew"
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"github.com/mitchellh/cli"
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"github.com/zclconf/go-cty/cty"
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"github.com/hashicorp/terraform/addrs"
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"github.com/hashicorp/terraform/configs/configschema"
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"github.com/hashicorp/terraform/helper/copy"
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"github.com/hashicorp/terraform/providers"
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"github.com/hashicorp/terraform/states"
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"github.com/hashicorp/terraform/states/statefile"
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"github.com/hashicorp/terraform/states/statemgr"
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"github.com/hashicorp/terraform/terraform"
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)
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func TestRefresh(t *testing.T) {
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state := testState()
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statePath := testStateFile(t, state)
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.GetSchemaReturn = refreshFixtureSchema()
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p.ReadResourceFn = nil
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p.ReadResourceResponse = providers.ReadResourceResponse{
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NewState: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("yes"),
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}),
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}
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args := []string{
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"-state", statePath,
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testFixturePath("refresh"),
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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if !p.ReadResourceCalled {
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t.Fatal("ReadResource should have been called")
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}
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f, err := os.Open(statePath)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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newStateFile, err := statefile.Read(f)
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f.Close()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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actual := strings.TrimSpace(newStateFile.State.String())
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expected := strings.TrimSpace(testRefreshStr)
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if actual != expected {
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t.Fatalf("bad:\n\n%s", actual)
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}
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}
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func TestRefresh_empty(t *testing.T) {
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// Create a temporary working directory that is empty
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td := tempDir(t)
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copy.CopyDir(testFixturePath("refresh-empty"), td)
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defer os.RemoveAll(td)
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defer testChdir(t, td)()
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.ReadResourceFn = nil
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p.ReadResourceResponse = providers.ReadResourceResponse{
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NewState: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("yes"),
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}),
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}
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args := []string{
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td,
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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if p.ReadResourceCalled {
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t.Fatal("ReadResource should not have been called")
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}
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}
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func TestRefresh_lockedState(t *testing.T) {
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state := testState()
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statePath := testStateFile(t, state)
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unlock, err := testLockState("./testdata", statePath)
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if err != nil {
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t.Fatal(err)
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}
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defer unlock()
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.GetSchemaReturn = refreshFixtureSchema()
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p.ReadResourceFn = nil
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p.ReadResourceResponse = providers.ReadResourceResponse{
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NewState: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("yes"),
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}),
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}
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args := []string{
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"-state", statePath,
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testFixturePath("refresh"),
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}
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if code := c.Run(args); code == 0 {
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t.Fatal("expected error")
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}
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output := ui.ErrorWriter.String()
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if !strings.Contains(output, "lock") {
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t.Fatal("command output does not look like a lock error:", output)
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}
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}
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func TestRefresh_cwd(t *testing.T) {
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cwd, err := os.Getwd()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if err := os.Chdir(testFixturePath("refresh")); err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.Chdir(cwd)
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state := testState()
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statePath := testStateFile(t, state)
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.GetSchemaReturn = refreshFixtureSchema()
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p.ReadResourceFn = nil
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p.ReadResourceResponse = providers.ReadResourceResponse{
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NewState: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("yes"),
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}),
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}
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args := []string{
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"-state", statePath,
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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if !p.ReadResourceCalled {
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t.Fatal("ReadResource should have been called")
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}
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f, err := os.Open(statePath)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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newStateFile, err := statefile.Read(f)
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f.Close()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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actual := strings.TrimSpace(newStateFile.State.String())
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expected := strings.TrimSpace(testRefreshCwdStr)
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if actual != expected {
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t.Fatalf("bad:\n\n%s", actual)
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}
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}
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func TestRefresh_defaultState(t *testing.T) {
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originalState := testState()
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// Write the state file in a temporary directory with the
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// default filename.
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statePath := testStateFile(t, originalState)
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localState := statemgr.NewFilesystem(statePath)
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if err := localState.RefreshState(); err != nil {
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t.Fatal(err)
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}
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s := localState.State()
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if s == nil {
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t.Fatal("empty test state")
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}
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// Change to that directory
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cwd, err := os.Getwd()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if err := os.Chdir(filepath.Dir(statePath)); err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.Chdir(cwd)
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.GetSchemaReturn = refreshFixtureSchema()
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p.ReadResourceFn = nil
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p.ReadResourceResponse = providers.ReadResourceResponse{
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NewState: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("yes"),
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}),
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}
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args := []string{
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"-state", statePath,
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testFixturePath("refresh"),
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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if !p.ReadResourceCalled {
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t.Fatal("ReadResource should have been called")
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}
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newState := testStateRead(t, statePath)
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actual := newState.RootModule().Resources["test_instance.foo"].Instances[addrs.NoKey].Current
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expected := &states.ResourceInstanceObjectSrc{
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Status: states.ObjectReady,
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AttrsJSON: []byte("{\n \"ami\": null,\n \"id\": \"yes\"\n }"),
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Dependencies: []addrs.Referenceable{},
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}
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if !reflect.DeepEqual(actual, expected) {
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t.Fatalf("wrong new object\ngot: %swant: %s", spew.Sdump(actual), spew.Sdump(expected))
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}
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backupState := testStateRead(t, statePath+DefaultBackupExtension)
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actual = backupState.RootModule().Resources["test_instance.foo"].Instances[addrs.NoKey].Current
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expected = originalState.RootModule().Resources["test_instance.foo"].Instances[addrs.NoKey].Current
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if !reflect.DeepEqual(actual, expected) {
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t.Fatalf("wrong new object\ngot: %swant: %s", spew.Sdump(actual), spew.Sdump(expected))
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}
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}
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func TestRefresh_outPath(t *testing.T) {
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state := testState()
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statePath := testStateFile(t, state)
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// Output path
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outf, err := ioutil.TempFile(testingDir, "tf")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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outPath := outf.Name()
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outf.Close()
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os.Remove(outPath)
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.GetSchemaReturn = refreshFixtureSchema()
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p.ReadResourceFn = nil
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p.ReadResourceResponse = providers.ReadResourceResponse{
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NewState: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("yes"),
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}),
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}
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args := []string{
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"-state", statePath,
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"-state-out", outPath,
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testFixturePath("refresh"),
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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newState := testStateRead(t, statePath)
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if !reflect.DeepEqual(newState, state) {
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t.Fatalf("bad: %#v", newState)
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}
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newState = testStateRead(t, outPath)
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actual := newState.RootModule().Resources["test_instance.foo"].Instances[addrs.NoKey].Current
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expected := &states.ResourceInstanceObjectSrc{
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Status: states.ObjectReady,
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AttrsJSON: []byte("{\n \"ami\": null,\n \"id\": \"yes\"\n }"),
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Dependencies: []addrs.Referenceable{},
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}
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if !reflect.DeepEqual(actual, expected) {
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t.Fatalf("wrong new object\ngot: %swant: %s", spew.Sdump(actual), spew.Sdump(expected))
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}
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backupState := testStateRead(t, outPath + DefaultBackupExtension)
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actualStr := strings.TrimSpace(backupState.String())
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expectedStr := strings.TrimSpace(state.String())
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if actualStr != expectedStr {
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t.Fatalf("bad:\n\n%s\n\n%s", actualStr, expectedStr)
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}
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}
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func TestRefresh_var(t *testing.T) {
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state := testState()
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statePath := testStateFile(t, state)
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.GetSchemaReturn = refreshVarFixtureSchema()
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args := []string{
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"-var", "foo=bar",
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"-state", statePath,
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testFixturePath("refresh-var"),
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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if !p.ConfigureCalled {
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t.Fatal("configure should be called")
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}
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if got, want := p.ConfigureRequest.Config.GetAttr("value"), cty.StringVal("bar"); !want.RawEquals(got) {
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t.Fatalf("wrong provider configuration\ngot: %#v\nwant: %#v", got, want)
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}
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}
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func TestRefresh_varFile(t *testing.T) {
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state := testState()
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statePath := testStateFile(t, state)
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.GetSchemaReturn = refreshVarFixtureSchema()
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varFilePath := testTempFile(t)
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if err := ioutil.WriteFile(varFilePath, []byte(refreshVarFile), 0644); err != nil {
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t.Fatalf("err: %s", err)
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}
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args := []string{
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"-var-file", varFilePath,
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"-state", statePath,
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testFixturePath("refresh-var"),
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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if !p.ConfigureCalled {
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t.Fatal("configure should be called")
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}
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if got, want := p.ConfigureRequest.Config.GetAttr("value"), cty.StringVal("bar"); !want.RawEquals(got) {
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t.Fatalf("wrong provider configuration\ngot: %#v\nwant: %#v", got, want)
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}
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}
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func TestRefresh_varFileDefault(t *testing.T) {
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state := testState()
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statePath := testStateFile(t, state)
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.GetSchemaReturn = refreshVarFixtureSchema()
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varFileDir := testTempDir(t)
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varFilePath := filepath.Join(varFileDir, "terraform.tfvars")
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if err := ioutil.WriteFile(varFilePath, []byte(refreshVarFile), 0644); err != nil {
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t.Fatalf("err: %s", err)
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}
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cwd, err := os.Getwd()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if err := os.Chdir(varFileDir); err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.Chdir(cwd)
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args := []string{
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"-state", statePath,
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testFixturePath("refresh-var"),
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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if !p.ConfigureCalled {
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t.Fatal("configure should be called")
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}
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if got, want := p.ConfigureRequest.Config.GetAttr("value"), cty.StringVal("bar"); !want.RawEquals(got) {
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t.Fatalf("wrong provider configuration\ngot: %#v\nwant: %#v", got, want)
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}
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}
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func TestRefresh_varsUnset(t *testing.T) {
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// Disable test mode so input would be asked
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test = false
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defer func() { test = true }()
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defaultInputReader = bytes.NewBufferString("bar\n")
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state := testState()
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statePath := testStateFile(t, state)
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.GetSchemaReturn = &terraform.ProviderSchema{
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ResourceTypes: map[string]*configschema.Block{
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"test_instance": {
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Attributes: map[string]*configschema.Attribute{
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"id": {Type: cty.String, Optional: true, Computed: true},
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"ami": {Type: cty.String, Optional: true},
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},
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},
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},
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}
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args := []string{
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"-state", statePath,
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testFixturePath("refresh-unset-var"),
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}
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if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
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}
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}
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func TestRefresh_backup(t *testing.T) {
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state := testState()
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statePath := testStateFile(t, state)
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// Output path
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outf, err := ioutil.TempFile(testingDir, "tf")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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outPath := outf.Name()
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outf.Close()
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os.Remove(outPath)
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// Backup path
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backupf, err := ioutil.TempFile(testingDir, "tf")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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backupPath := backupf.Name()
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backupf.Close()
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os.Remove(backupPath)
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p := testProvider()
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ui := new(cli.MockUi)
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c := &RefreshCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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Ui: ui,
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},
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}
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p.GetSchemaReturn = refreshFixtureSchema()
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p.ReadResourceFn = nil
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p.ReadResourceResponse = providers.ReadResourceResponse{
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NewState: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("changed"),
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}),
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}
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args := []string{
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"-state", statePath,
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"-state-out", outPath,
|
|
"-backup", backupPath,
|
|
testFixturePath("refresh"),
|
|
}
|
|
if code := c.Run(args); code != 0 {
|
|
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
|
|
}
|
|
|
|
newState := testStateRead(t, statePath)
|
|
if !reflect.DeepEqual(newState, state) {
|
|
t.Fatalf("bad: %#v", newState)
|
|
}
|
|
|
|
newState = testStateRead(t, outPath)
|
|
actual := newState.RootModule().Resources["test_instance.foo"].Instances[addrs.NoKey].Current
|
|
expected := &states.ResourceInstanceObjectSrc{
|
|
Status: states.ObjectReady,
|
|
AttrsJSON: []byte("{\n \"ami\": null,\n \"id\": \"changed\"\n }"),
|
|
Dependencies: []addrs.Referenceable{},
|
|
}
|
|
if !reflect.DeepEqual(actual, expected) {
|
|
t.Fatalf("wrong new object\ngot: %swant: %s", spew.Sdump(actual), spew.Sdump(expected))
|
|
}
|
|
|
|
backupState := testStateRead(t, outPath + DefaultBackupExtension)
|
|
actualStr := strings.TrimSpace(backupState.String())
|
|
expectedStr := strings.TrimSpace(state.String())
|
|
if actualStr != expectedStr {
|
|
t.Fatalf("bad:\n\n%s\n\n%s", actualStr, expectedStr)
|
|
}
|
|
}
|
|
|
|
func TestRefresh_disableBackup(t *testing.T) {
|
|
state := testState()
|
|
statePath := testStateFile(t, state)
|
|
|
|
// Output path
|
|
outf, err := ioutil.TempFile(testingDir, "tf")
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
outPath := outf.Name()
|
|
outf.Close()
|
|
os.Remove(outPath)
|
|
|
|
p := testProvider()
|
|
ui := new(cli.MockUi)
|
|
c := &RefreshCommand{
|
|
Meta: Meta{
|
|
testingOverrides: metaOverridesForProvider(p),
|
|
Ui: ui,
|
|
},
|
|
}
|
|
|
|
p.GetSchemaReturn = refreshFixtureSchema()
|
|
p.ReadResourceFn = nil
|
|
p.ReadResourceResponse = providers.ReadResourceResponse{
|
|
NewState: cty.ObjectVal(map[string]cty.Value{
|
|
"id": cty.StringVal("yes"),
|
|
}),
|
|
}
|
|
|
|
args := []string{
|
|
"-state", statePath,
|
|
"-state-out", outPath,
|
|
"-backup", "-",
|
|
testFixturePath("refresh"),
|
|
}
|
|
if code := c.Run(args); code != 0 {
|
|
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
|
|
}
|
|
|
|
newState := testStateRead(t, statePath)
|
|
if !reflect.DeepEqual(newState, state) {
|
|
t.Fatalf("bad: %#v", newState)
|
|
}
|
|
|
|
newState = testStateRead(t, outPath)
|
|
actual := newState.RootModule().Resources["test_instance.foo"].Instances[addrs.NoKey].Current
|
|
expected := &states.ResourceInstanceObjectSrc{
|
|
Status: states.ObjectReady,
|
|
AttrsJSON: []byte("{\n \"ami\": null,\n \"id\": \"yes\"\n }"),
|
|
Dependencies: []addrs.Referenceable{},
|
|
}
|
|
if !reflect.DeepEqual(actual, expected) {
|
|
t.Fatalf("wrong new object\ngot: %swant: %s", spew.Sdump(actual), spew.Sdump(expected))
|
|
}
|
|
|
|
// Ensure there is no backup
|
|
_, err = os.Stat(outPath + DefaultBackupExtension)
|
|
if err == nil || !os.IsNotExist(err) {
|
|
t.Fatalf("backup should not exist")
|
|
}
|
|
_, err = os.Stat("-")
|
|
if err == nil || !os.IsNotExist(err) {
|
|
t.Fatalf("backup should not exist")
|
|
}
|
|
}
|
|
|
|
func TestRefresh_displaysOutputs(t *testing.T) {
|
|
state := testState()
|
|
statePath := testStateFile(t, state)
|
|
|
|
p := testProvider()
|
|
ui := new(cli.MockUi)
|
|
c := &RefreshCommand{
|
|
Meta: Meta{
|
|
testingOverrides: metaOverridesForProvider(p),
|
|
Ui: ui,
|
|
},
|
|
}
|
|
p.GetSchemaReturn = &terraform.ProviderSchema{
|
|
ResourceTypes: map[string]*configschema.Block{
|
|
"test_instance": {
|
|
Attributes: map[string]*configschema.Attribute{
|
|
"id": {Type: cty.String, Optional: true, Computed: true},
|
|
"ami": {Type: cty.String, Optional: true},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
args := []string{
|
|
"-state", statePath,
|
|
testFixturePath("refresh-output"),
|
|
}
|
|
if code := c.Run(args); code != 0 {
|
|
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
|
|
}
|
|
|
|
// Test that outputs were displayed
|
|
outputValue := "foo.example.com"
|
|
actual := ui.OutputWriter.String()
|
|
if !strings.Contains(actual, outputValue) {
|
|
t.Fatalf("Expected:\n%s\n\nTo include: %q", actual, outputValue)
|
|
}
|
|
}
|
|
|
|
// newInstanceState creates a new states.ResourceInstanceObjectSrc with the
|
|
// given value for its single id attribute. It is named newInstanceState for
|
|
// historical reasons, because it was originally written for the poorly-named
|
|
// terraform.InstanceState type.
|
|
func newInstanceState(id string) *states.ResourceInstanceObjectSrc {
|
|
attrs := map[string]interface{}{
|
|
"id": id,
|
|
}
|
|
attrsJSON, err := json.Marshal(attrs)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("failed to marshal attributes: %s", err)) // should never happen
|
|
}
|
|
return &states.ResourceInstanceObjectSrc{
|
|
AttrsJSON: attrsJSON,
|
|
Status: states.ObjectReady,
|
|
}
|
|
}
|
|
|
|
// refreshFixtureSchema returns a schema suitable for processing the
|
|
// configuration in test-fixtures/refresh . This schema should be
|
|
// assigned to a mock provider named "test".
|
|
func refreshFixtureSchema() *terraform.ProviderSchema {
|
|
return &terraform.ProviderSchema{
|
|
ResourceTypes: map[string]*configschema.Block{
|
|
"test_instance": {
|
|
Attributes: map[string]*configschema.Attribute{
|
|
"id": {Type: cty.String, Optional: true, Computed: true},
|
|
"ami": {Type: cty.String, Optional: true},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
// refreshVarFixtureSchema returns a schema suitable for processing the
|
|
// configuration in test-fixtures/refresh-var . This schema should be
|
|
// assigned to a mock provider named "test".
|
|
func refreshVarFixtureSchema() *terraform.ProviderSchema {
|
|
return &terraform.ProviderSchema{
|
|
Provider: &configschema.Block{
|
|
Attributes: map[string]*configschema.Attribute{
|
|
"value": {Type: cty.String, Optional: true},
|
|
},
|
|
},
|
|
ResourceTypes: map[string]*configschema.Block{
|
|
"test_instance": {
|
|
Attributes: map[string]*configschema.Attribute{
|
|
"id": {Type: cty.String, Optional: true, Computed: true},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
const refreshVarFile = `
|
|
foo = "bar"
|
|
`
|
|
|
|
const testRefreshStr = `
|
|
test_instance.foo:
|
|
ID = yes
|
|
provider = provider.test
|
|
`
|
|
const testRefreshCwdStr = `
|
|
test_instance.foo:
|
|
ID = yes
|
|
provider = provider.test
|
|
`
|