mirror of
https://github.com/opentofu/opentofu.git
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19b5287b8f
Signed-off-by: ollevche <ollevche@gmail.com> Signed-off-by: Christian Mesh <christianmesh1@gmail.com> Signed-off-by: Oleksandr Levchenkov <ollevche@gmail.com> Co-authored-by: Christian Mesh <christianmesh1@gmail.com>
352 lines
11 KiB
Go
352 lines
11 KiB
Go
// Copyright (c) The OpenTofu Authors
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// SPDX-License-Identifier: MPL-2.0
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// Copyright (c) 2023 HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package configs
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import (
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"fmt"
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"os"
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"path/filepath"
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"testing"
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"github.com/hashicorp/hcl/v2"
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"github.com/opentofu/opentofu/internal/addrs"
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"github.com/zclconf/go-cty/cty"
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)
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// TestParseLoadConfigDirSuccess is a simple test that just verifies that
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// a number of test configuration directories (in testdata/valid-modules)
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// can be parsed without raising any diagnostics.
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//
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// It also re-tests the individual files in testdata/valid-files as if
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// they were single-file modules, to ensure that they can be bundled into
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// modules correctly.
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//
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// This test does not verify that reading these modules produces the correct
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// module element contents. More detailed assertions may be made on some subset
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// of these configuration files in other tests.
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func TestParserLoadConfigDirSuccess(t *testing.T) {
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dirs, err := os.ReadDir("testdata/valid-modules")
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if err != nil {
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t.Fatal(err)
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}
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for _, info := range dirs {
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name := info.Name()
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t.Run(name, func(t *testing.T) {
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parser := NewParser(nil)
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path := filepath.Join("testdata/valid-modules", name)
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mod, diags := parser.LoadConfigDir(path, RootModuleCallForTesting())
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if len(diags) != 0 && len(mod.ActiveExperiments) != 0 {
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// As a special case to reduce churn while we're working
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// through experimental features, we'll ignore the warning
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// that an experimental feature is active if the module
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// intentionally opted in to that feature.
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// If you want to explicitly test for the feature warning
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// to be generated, consider using testdata/warning-files
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// instead.
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filterDiags := make(hcl.Diagnostics, 0, len(diags))
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for _, diag := range diags {
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if diag.Severity != hcl.DiagWarning {
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continue
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}
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match := false
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for exp := range mod.ActiveExperiments {
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allowedSummary := fmt.Sprintf("Experimental feature %q is active", exp.Keyword())
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if diag.Summary == allowedSummary {
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match = true
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break
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}
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}
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if !match {
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filterDiags = append(filterDiags, diag)
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}
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}
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diags = filterDiags
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}
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if len(diags) != 0 {
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t.Errorf("unexpected diagnostics")
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for _, diag := range diags {
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t.Logf("- %s", diag)
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}
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}
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if mod.SourceDir != path {
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t.Errorf("wrong SourceDir value %q; want %s", mod.SourceDir, path)
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}
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if len(mod.Tests) > 0 {
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// We only load tests when requested, and we didn't request this
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// time.
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t.Errorf("should not have loaded tests, but found %d", len(mod.Tests))
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}
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})
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}
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// The individual files in testdata/valid-files should also work
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// when loaded as modules.
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files, err := os.ReadDir("testdata/valid-files")
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if err != nil {
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t.Fatal(err)
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}
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for _, info := range files {
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name := info.Name()
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t.Run(fmt.Sprintf("%s as module", name), func(t *testing.T) {
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src, err := os.ReadFile(filepath.Join("testdata/valid-files", name))
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if err != nil {
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t.Fatal(err)
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}
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parser := testParser(map[string]string{
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"mod/" + name: string(src),
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})
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_, diags := parser.LoadConfigDir("mod", NewStaticModuleCall(addrs.RootModule,
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func(v *Variable) (cty.Value, hcl.Diagnostics) {
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if !v.Required() {
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// Allow defaults in this test
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return v.Default, nil
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}
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panic("Variables not configured for this test!")
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}, "<testing>", ""))
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if diags.HasErrors() {
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t.Errorf("unexpected error diagnostics")
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for _, diag := range diags {
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t.Logf("- %s", diag)
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}
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}
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})
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}
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}
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func TestParserLoadConfigDirWithTests(t *testing.T) {
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directories := []string{
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"testdata/valid-modules/with-tests",
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"testdata/valid-modules/with-tests-expect-failures",
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"testdata/valid-modules/with-tests-nested",
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"testdata/valid-modules/with-tests-very-nested",
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"testdata/valid-modules/with-tests-json",
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}
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for _, directory := range directories {
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t.Run(directory, func(t *testing.T) {
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testDirectory := DefaultTestDirectory
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if directory == "testdata/valid-modules/with-tests-very-nested" {
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testDirectory = "very/nested"
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}
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parser := NewParser(nil)
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mod, diags := parser.LoadConfigDirWithTests(directory, testDirectory, RootModuleCallForTesting())
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if len(diags) > 0 { // We don't want any warnings or errors.
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t.Errorf("unexpected diagnostics")
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for _, diag := range diags {
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t.Logf("- %s", diag)
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}
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}
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if len(mod.Tests) != 2 {
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t.Errorf("incorrect number of test files found: %d", len(mod.Tests))
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}
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})
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}
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}
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func TestParserLoadConfigDirWithTests_ReturnsWarnings(t *testing.T) {
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parser := NewParser(nil)
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mod, diags := parser.LoadConfigDirWithTests("testdata/valid-modules/with-tests", "not_real", RootModuleCallForTesting())
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if len(diags) != 1 {
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t.Errorf("expected exactly 1 diagnostic, but found %d", len(diags))
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} else {
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if diags[0].Severity != hcl.DiagWarning {
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t.Errorf("expected warning severity but found %d", diags[0].Severity)
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}
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if diags[0].Summary != "Test directory does not exist" {
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t.Errorf("expected summary to be \"Test directory does not exist\" but was \"%s\"", diags[0].Summary)
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}
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if diags[0].Detail != "Requested test directory testdata/valid-modules/with-tests/not_real does not exist." {
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t.Errorf("expected detail to be \"Requested test directory testdata/valid-modules/with-tests/not_real does not exist.\" but was \"%s\"", diags[0].Detail)
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}
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}
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// Despite the warning, should still have loaded the tests in the
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// configuration directory.
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if len(mod.Tests) != 2 {
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t.Errorf("incorrect number of test files found: %d", len(mod.Tests))
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}
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}
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// TestParseLoadConfigDirFailure is a simple test that just verifies that
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// a number of test configuration directories (in testdata/invalid-modules)
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// produce diagnostics when parsed.
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//
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// It also re-tests the individual files in testdata/invalid-files as if
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// they were single-file modules, to ensure that their errors are still
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// detected when loading as part of a module.
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//
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// This test does not verify that reading these modules produces any
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// diagnostics in particular. More detailed assertions may be made on some subset
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// of these configuration files in other tests.
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func TestParserLoadConfigDirFailure(t *testing.T) {
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dirs, err := os.ReadDir("testdata/invalid-modules")
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if err != nil {
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t.Fatal(err)
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}
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for _, info := range dirs {
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name := info.Name()
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t.Run(name, func(t *testing.T) {
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parser := NewParser(nil)
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path := filepath.Join("testdata/invalid-modules", name)
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_, diags := parser.LoadConfigDir(path, RootModuleCallForTesting())
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if !diags.HasErrors() {
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t.Errorf("no errors; want at least one")
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for _, diag := range diags {
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t.Logf("- %s", diag)
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}
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}
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})
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}
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// The individual files in testdata/valid-files should also work
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// when loaded as modules.
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files, err := os.ReadDir("testdata/invalid-files")
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if err != nil {
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t.Fatal(err)
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}
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for _, info := range files {
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name := info.Name()
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t.Run(fmt.Sprintf("%s as module", name), func(t *testing.T) {
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src, err := os.ReadFile(filepath.Join("testdata/invalid-files", name))
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if err != nil {
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t.Fatal(err)
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}
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parser := testParser(map[string]string{
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"mod/" + name: string(src),
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})
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_, diags := parser.LoadConfigDir("mod", RootModuleCallForTesting())
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if !diags.HasErrors() {
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t.Errorf("no errors; want at least one")
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for _, diag := range diags {
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t.Logf("- %s", diag)
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}
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}
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})
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}
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}
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func TestParserLoadConfigDirWithTests_TofuFiles(t *testing.T) {
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expectedVariablesToOverride := []string{"should_override", "should_override_json"}
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expectedLoadedTestFiles := []string{"test/resources_test.tofutest.hcl", "test/resources_test_json.tofutest.json"}
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tests := []struct {
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name string
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path string
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expectedResources []string
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}{
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{
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name: "only .tofu files",
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path: "testdata/tofu-only-files",
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expectedResources: []string{"aws_security_group.firewall_tofu", "aws_instance.web_tofu", "test_object.a_tofu", "test_object.b_tofu"},
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},
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{
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name: ".tofu and .tf files",
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path: "testdata/tofu-and-tf-files",
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expectedResources: []string{"aws_security_group.firewall_tofu", "aws_instance.web_tofu", "test_object.a_tofu", "test_object.b_tofu", "tf_resource.first", "tf_json_resource.a"},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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parser := NewParser(nil)
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path := tt.path
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mod, diags := parser.LoadConfigDirWithTests(path, "test", RootModuleCallForTesting())
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if len(diags) != 0 {
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t.Errorf("unexpected diagnostics")
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for _, diag := range diags {
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t.Logf("- %s", diag)
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}
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}
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if mod.SourceDir != path {
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t.Errorf("wrong SourceDir value %q; want %s", mod.SourceDir, path)
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}
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if len(tt.expectedResources) != len(mod.ManagedResources) {
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t.Errorf("expected to find %d resources but instead got %d resources", len(tt.expectedResources), len(mod.ManagedResources))
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}
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for _, expectedResource := range tt.expectedResources {
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if mod.ManagedResources[expectedResource] == nil {
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t.Errorf("expected to load %s resource as part of configuration but it is missing", expectedResource)
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}
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}
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if len(expectedVariablesToOverride) != len(mod.Variables) {
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t.Errorf("expected to find %d variables but instead got %d resources", len(expectedVariablesToOverride), len(mod.Variables))
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}
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for _, expectedVariable := range expectedVariablesToOverride {
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variableInConfiguration := mod.Variables[expectedVariable]
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if variableInConfiguration == nil {
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t.Errorf("expected to load %s variable as part of configuration but it is missing", expectedVariable)
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} else if variableInConfiguration.Default.AsString() != "overridden by tofu file" {
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t.Errorf("expected variable default value %s to be overridden", expectedVariable)
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}
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}
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if len(mod.Tests) != 2 {
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t.Errorf("incorrect number of test files found: %d", len(mod.Tests))
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}
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for _, expectedTest := range expectedLoadedTestFiles {
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if mod.Tests[expectedTest] == nil {
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t.Errorf("expected to load %s test as part of configuration but it is missing", expectedTest)
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}
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}
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})
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}
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}
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func TestIsEmptyDir(t *testing.T) {
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val, err := IsEmptyDir(filepath.Join("testdata", "valid-files"))
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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 val {
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t.Fatal("should not be empty")
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}
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}
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func TestIsEmptyDir_noExist(t *testing.T) {
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val, err := IsEmptyDir(filepath.Join("testdata", "nopenopenope"))
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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 !val {
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t.Fatal("should be empty")
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}
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}
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func TestIsEmptyDir_noConfigs(t *testing.T) {
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val, err := IsEmptyDir(filepath.Join("testdata", "dir-empty"))
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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 !val {
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t.Fatal("should be empty")
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}
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}
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