268 lines
8.2 KiB
Go
268 lines
8.2 KiB
Go
package command
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"path"
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"strings"
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/zclconf/go-cty/cty"
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"github.com/hashicorp/terraform/configs/configschema"
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"github.com/hashicorp/terraform/internal/terminal"
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"github.com/hashicorp/terraform/providers"
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)
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func setupTest(t *testing.T, fixturepath string, args ...string) (*terminal.TestOutput, int) {
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view, done := testView(t)
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p := testProvider()
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p.GetProviderSchemaResponse = &providers.GetProviderSchemaResponse{
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ResourceTypes: map[string]providers.Schema{
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"test_instance": {
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Block: &configschema.Block{
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Attributes: map[string]*configschema.Attribute{
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"ami": {Type: cty.String, Optional: true},
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},
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BlockTypes: map[string]*configschema.NestedBlock{
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"network_interface": {
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Nesting: configschema.NestingList,
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Block: configschema.Block{
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Attributes: map[string]*configschema.Attribute{
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"device_index": {Type: cty.String, Optional: true},
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"description": {Type: cty.String, Optional: true},
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"name": {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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},
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},
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},
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}
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c := &ValidateCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(p),
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View: view,
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},
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}
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args = append(args, "-no-color")
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args = append(args, testFixturePath(fixturepath))
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code := c.Run(args)
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return done(t), code
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}
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func TestValidateCommand(t *testing.T) {
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if output, code := setupTest(t, "validate-valid"); code != 0 {
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t.Fatalf("unexpected non-successful exit code %d\n\n%s", code, output.Stderr())
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}
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}
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func TestValidateCommandWithTfvarsFile(t *testing.T) {
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// Create a temporary working directory that is empty because this test
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// requires scanning the current working directory by validate command.
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td := tempDir(t)
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testCopyDir(t, testFixturePath("validate-valid/with-tfvars-file"), td)
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defer os.RemoveAll(td)
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defer testChdir(t, td)()
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view, done := testView(t)
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c := &ValidateCommand{
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Meta: Meta{
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testingOverrides: metaOverridesForProvider(testProvider()),
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View: view,
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},
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}
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args := []string{}
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code := c.Run(args)
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output := done(t)
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if code != 0 {
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t.Fatalf("bad %d\n\n%s", code, output.Stderr())
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}
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}
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func TestValidateFailingCommand(t *testing.T) {
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if output, code := setupTest(t, "validate-invalid"); code != 1 {
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t.Fatalf("Should have failed: %d\n\n%s", code, output.Stderr())
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}
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}
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func TestValidateFailingCommandMissingQuote(t *testing.T) {
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output, code := setupTest(t, "validate-invalid/missing_quote")
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if code != 1 {
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t.Fatalf("Should have failed: %d\n\n%s", code, output.Stderr())
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}
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wantError := "Error: Invalid reference"
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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}
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func TestValidateFailingCommandMissingVariable(t *testing.T) {
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output, code := setupTest(t, "validate-invalid/missing_var")
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if code != 1 {
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t.Fatalf("Should have failed: %d\n\n%s", code, output.Stderr())
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}
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wantError := "Error: Reference to undeclared input variable"
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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}
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func TestSameProviderMutipleTimesShouldFail(t *testing.T) {
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output, code := setupTest(t, "validate-invalid/multiple_providers")
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if code != 1 {
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t.Fatalf("Should have failed: %d\n\n%s", code, output.Stderr())
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}
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wantError := "Error: Duplicate provider configuration"
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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}
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func TestSameModuleMultipleTimesShouldFail(t *testing.T) {
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output, code := setupTest(t, "validate-invalid/multiple_modules")
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if code != 1 {
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t.Fatalf("Should have failed: %d\n\n%s", code, output.Stderr())
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}
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wantError := "Error: Duplicate module call"
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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}
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func TestSameResourceMultipleTimesShouldFail(t *testing.T) {
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output, code := setupTest(t, "validate-invalid/multiple_resources")
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if code != 1 {
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t.Fatalf("Should have failed: %d\n\n%s", code, output.Stderr())
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}
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wantError := `Error: Duplicate resource "aws_instance" configuration`
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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}
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func TestOutputWithoutValueShouldFail(t *testing.T) {
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output, code := setupTest(t, "validate-invalid/outputs")
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if code != 1 {
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t.Fatalf("Should have failed: %d\n\n%s", code, output.Stderr())
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}
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wantError := `The argument "value" is required, but no definition was found.`
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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wantError = `An argument named "values" is not expected here. Did you mean "value"?`
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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}
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func TestModuleWithIncorrectNameShouldFail(t *testing.T) {
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output, code := setupTest(t, "validate-invalid/incorrectmodulename")
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if code != 1 {
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t.Fatalf("Should have failed: %d\n\n%s", code, output.Stderr())
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}
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wantError := `Error: Invalid module instance name`
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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wantError = `Error: Variables not allowed`
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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}
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func TestWronglyUsedInterpolationShouldFail(t *testing.T) {
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output, code := setupTest(t, "validate-invalid/interpolation")
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if code != 1 {
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t.Fatalf("Should have failed: %d\n\n%s", code, output.Stderr())
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}
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wantError := `Error: Variables not allowed`
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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wantError = `A single static variable reference is required`
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if !strings.Contains(output.Stderr(), wantError) {
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t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
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}
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}
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func TestMissingDefinedVar(t *testing.T) {
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output, code := setupTest(t, "validate-invalid/missing_defined_var")
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// This is allowed because validate tests only that variables are referenced
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// correctly, not that they all have defined values.
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if code != 0 {
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t.Fatalf("Should have passed: %d\n\n%s", code, output.Stderr())
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}
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}
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func TestValidate_json(t *testing.T) {
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tests := []struct {
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path string
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valid bool
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}{
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{"validate-valid", true},
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{"validate-invalid", false},
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{"validate-invalid/missing_quote", false},
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{"validate-invalid/missing_var", false},
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{"validate-invalid/multiple_providers", false},
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{"validate-invalid/multiple_modules", false},
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{"validate-invalid/multiple_resources", false},
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{"validate-invalid/outputs", false},
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{"validate-invalid/incorrectmodulename", false},
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{"validate-invalid/interpolation", false},
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{"validate-invalid/missing_defined_var", true},
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}
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for _, tc := range tests {
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t.Run(tc.path, func(t *testing.T) {
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var want, got map[string]interface{}
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wantFile, err := os.Open(path.Join(testFixturePath(tc.path), "output.json"))
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if err != nil {
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t.Fatalf("failed to open output file: %s", err)
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}
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defer wantFile.Close()
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wantBytes, err := ioutil.ReadAll(wantFile)
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if err != nil {
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t.Fatalf("failed to read output file: %s", err)
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}
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err = json.Unmarshal([]byte(wantBytes), &want)
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if err != nil {
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t.Fatalf("failed to unmarshal expected JSON: %s", err)
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}
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output, code := setupTest(t, tc.path, "-json")
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gotString := output.Stdout()
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err = json.Unmarshal([]byte(gotString), &got)
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if err != nil {
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t.Fatalf("failed to unmarshal actual JSON: %s", err)
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}
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if !cmp.Equal(got, want) {
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t.Errorf("wrong output:\n %v\n", cmp.Diff(got, want))
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t.Errorf("raw output:\n%s\n", gotString)
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}
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if tc.valid && code != 0 {
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t.Errorf("wrong exit code: want 0, got %d", code)
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} else if !tc.valid && code != 1 {
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t.Errorf("wrong exit code: want 1, got %d", code)
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}
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if errorOutput := output.Stderr(); errorOutput != "" {
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t.Errorf("unexpected error output:\n%s", errorOutput)
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}
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})
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}
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}
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