116 lines
3.3 KiB
Go
116 lines
3.3 KiB
Go
package planfile
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import (
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"io/ioutil"
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"path/filepath"
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"reflect"
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"testing"
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"github.com/davecgh/go-spew/spew"
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version "github.com/hashicorp/go-version"
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"github.com/hashicorp/terraform/configs/configload"
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"github.com/hashicorp/terraform/plans"
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"github.com/hashicorp/terraform/states"
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"github.com/hashicorp/terraform/states/statefile"
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)
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func TestRoundtrip(t *testing.T) {
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fixtureDir := filepath.Join("testdata", "test-config")
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loader, err := configload.NewLoader(&configload.Config{
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ModulesDir: filepath.Join(fixtureDir, ".terraform", "modules"),
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})
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if err != nil {
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t.Fatal(err)
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}
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_, snapIn, diags := loader.LoadConfigWithSnapshot(fixtureDir)
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if diags.HasErrors() {
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t.Fatal(diags.Error())
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}
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// Just a minimal state file so we can test that it comes out again at all.
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// We don't need to test the entire thing because the state file
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// serialization is already tested in its own package.
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stateFileIn := &statefile.File{
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TerraformVersion: version.Must(version.NewVersion("1.0.0")),
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Serial: 1,
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Lineage: "abc123",
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State: states.NewState(),
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}
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// Minimal plan too, since the serialization of the tfplan portion of the
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// file is tested more fully in tfplan_test.go .
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planIn := &plans.Plan{
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Changes: &plans.Changes{
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Resources: []*plans.ResourceInstanceChangeSrc{},
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Outputs: []*plans.OutputChangeSrc{},
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},
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ProviderSHA256s: map[string][]byte{},
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VariableValues: map[string]plans.DynamicValue{
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"foo": plans.DynamicValue([]byte("foo placeholder")),
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},
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Backend: plans.Backend{
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Type: "local",
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Config: plans.DynamicValue([]byte("config placeholder")),
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Workspace: "default",
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},
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}
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workDir, err := ioutil.TempDir("", "tf-planfile")
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if err != nil {
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t.Fatal(err)
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}
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planFn := filepath.Join(workDir, "tfplan")
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err = Create(planFn, snapIn, stateFileIn, planIn)
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if err != nil {
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t.Fatalf("failed to create plan file: %s", err)
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}
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pr, err := Open(planFn)
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if err != nil {
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t.Fatalf("failed to open plan file for reading: %s", err)
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}
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t.Run("ReadPlan", func(t *testing.T) {
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planOut, err := pr.ReadPlan()
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if err != nil {
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t.Fatalf("failed to read plan: %s", err)
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}
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if !reflect.DeepEqual(planIn, planOut) {
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t.Errorf("plan did not survive round-trip\nresult: %sinput: %s", spew.Sdump(planOut), spew.Sdump(planIn))
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}
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})
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t.Run("ReadStateFile", func(t *testing.T) {
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stateFileOut, err := pr.ReadStateFile()
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if err != nil {
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t.Fatalf("failed to read state: %s", err)
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}
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if !reflect.DeepEqual(stateFileIn, stateFileOut) {
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t.Errorf("state file did not survive round-trip\nresult: %sinput: %s", spew.Sdump(stateFileOut), spew.Sdump(stateFileIn))
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}
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})
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t.Run("ReadConfigSnapshot", func(t *testing.T) {
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snapOut, err := pr.ReadConfigSnapshot()
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if err != nil {
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t.Fatalf("failed to read config snapshot: %s", err)
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}
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if !reflect.DeepEqual(snapIn, snapOut) {
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t.Errorf("config snapshot did not survive round-trip\nresult: %sinput: %s", spew.Sdump(snapOut), spew.Sdump(snapIn))
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}
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})
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t.Run("ReadConfig", func(t *testing.T) {
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// Reading from snapshots is tested in the configload package, so
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// here we'll just test that we can successfully do it, to see if the
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// glue code in _this_ package is correct.
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_, diags := pr.ReadConfig()
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if diags.HasErrors() {
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t.Errorf("when reading config: %s", diags.Err())
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}
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})
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}
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