122 lines
3.3 KiB
Go
122 lines
3.3 KiB
Go
package configload
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import (
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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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"github.com/go-test/deep"
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)
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func TestLoadConfigWithSnapshot(t *testing.T) {
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fixtureDir := filepath.Clean("testdata/already-installed")
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loader, err := NewLoader(&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.Fatalf("unexpected error from NewLoader: %s", err)
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}
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_, got, diags := loader.LoadConfigWithSnapshot(fixtureDir)
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assertNoDiagnostics(t, diags)
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if got == nil {
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t.Fatalf("snapshot is nil; want non-nil")
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}
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t.Log(spew.Sdump(got))
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{
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gotModuleDirs := map[string]string{}
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for k, m := range got.Modules {
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gotModuleDirs[k] = m.Dir
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}
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wantModuleDirs := map[string]string{
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"": "testdata/already-installed",
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"child_a": "testdata/already-installed/.terraform/modules/child_a",
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"child_a.child_c": "testdata/already-installed/.terraform/modules/child_a/child_c",
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"child_b": "testdata/already-installed/.terraform/modules/child_b",
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"child_b.child_d": "testdata/already-installed/.terraform/modules/child_b.child_d",
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}
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problems := deep.Equal(wantModuleDirs, gotModuleDirs)
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for _, problem := range problems {
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t.Errorf(problem)
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}
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if len(problems) > 0 {
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return
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}
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}
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gotRoot := got.Modules[""]
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wantRoot := &SnapshotModule{
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Dir: "testdata/already-installed",
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Files: map[string][]byte{
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"root.tf": []byte(`
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module "child_a" {
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source = "example.com/foo/bar_a/baz"
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version = ">= 1.0.0"
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}
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module "child_b" {
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source = "example.com/foo/bar_b/baz"
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version = ">= 1.0.0"
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}
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`),
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},
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}
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if !reflect.DeepEqual(gotRoot, wantRoot) {
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t.Errorf("wrong root module snapshot\ngot: %swant: %s", spew.Sdump(gotRoot), spew.Sdump(wantRoot))
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}
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}
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func TestSnapshotRoundtrip(t *testing.T) {
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fixtureDir := filepath.Clean("testdata/already-installed")
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loader, err := NewLoader(&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.Fatalf("unexpected error from NewLoader: %s", err)
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}
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_, snap, diags := loader.LoadConfigWithSnapshot(fixtureDir)
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assertNoDiagnostics(t, diags)
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if snap == nil {
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t.Fatalf("snapshot is nil; want non-nil")
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}
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snapLoader := NewLoaderFromSnapshot(snap)
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if loader == nil {
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t.Fatalf("loader is nil; want non-nil")
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}
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config, diags := snapLoader.LoadConfig(fixtureDir)
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assertNoDiagnostics(t, diags)
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if config == nil {
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t.Fatalf("config is nil; want non-nil")
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}
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if config.Module == nil {
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t.Fatalf("config has no root module")
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}
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if got, want := config.Module.SourceDir, "testdata/already-installed"; got != want {
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t.Errorf("wrong root module sourcedir %q; want %q", got, want)
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}
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if got, want := len(config.Module.ModuleCalls), 2; got != want {
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t.Errorf("wrong number of module calls in root module %d; want %d", got, want)
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}
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childA := config.Children["child_a"]
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if childA == nil {
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t.Fatalf("child_a config is nil; want non-nil")
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}
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if childA.Module == nil {
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t.Fatalf("child_a config has no module")
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}
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if got, want := childA.Module.SourceDir, "testdata/already-installed/.terraform/modules/child_a"; got != want {
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t.Errorf("wrong child_a sourcedir %q; want %q", got, want)
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}
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if got, want := len(childA.Module.ModuleCalls), 1; got != want {
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t.Errorf("wrong number of module calls in child_a %d; want %d", got, want)
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}
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}
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