package command import ( "os" "path/filepath" "strings" "testing" "github.com/zclconf/go-cty/cty" "github.com/hashicorp/terraform/addrs" "github.com/hashicorp/terraform/states" ) func TestOutput(t *testing.T) { originalState := states.BuildState(func(s *states.SyncState) { s.SetOutputValue( addrs.OutputValue{Name: "foo"}.Absolute(addrs.RootModuleInstance), cty.StringVal("bar"), false, ) }) statePath := testStateFile(t, originalState) view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), View: view, }, } args := []string{ "-state", statePath, "foo", } code := c.Run(args) output := done(t) if code != 0 { t.Fatalf("bad: \n%s", output.Stderr()) } actual := strings.TrimSpace(output.Stdout()) if actual != `"bar"` { t.Fatalf("bad: %#v", actual) } } func TestOutput_nestedListAndMap(t *testing.T) { originalState := states.BuildState(func(s *states.SyncState) { s.SetOutputValue( addrs.OutputValue{Name: "foo"}.Absolute(addrs.RootModuleInstance), cty.ListVal([]cty.Value{ cty.MapVal(map[string]cty.Value{ "key": cty.StringVal("value"), "key2": cty.StringVal("value2"), }), cty.MapVal(map[string]cty.Value{ "key": cty.StringVal("value"), }), }), false, ) }) statePath := testStateFile(t, originalState) view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), View: view, }, } args := []string{ "-state", statePath, } code := c.Run(args) output := done(t) if code != 0 { t.Fatalf("bad: \n%s", output.Stderr()) } actual := strings.TrimSpace(output.Stdout()) expected := strings.TrimSpace(` foo = tolist([ tomap({ "key" = "value" "key2" = "value2" }), tomap({ "key" = "value" }), ]) `) if actual != expected { t.Fatalf("wrong output\ngot: %s\nwant: %s", actual, expected) } } func TestOutput_json(t *testing.T) { originalState := states.BuildState(func(s *states.SyncState) { s.SetOutputValue( addrs.OutputValue{Name: "foo"}.Absolute(addrs.RootModuleInstance), cty.StringVal("bar"), false, ) }) statePath := testStateFile(t, originalState) view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), View: view, }, } args := []string{ "-state", statePath, "-json", } code := c.Run(args) output := done(t) if code != 0 { t.Fatalf("bad: \n%s", output.Stderr()) } actual := strings.TrimSpace(output.Stdout()) expected := "{\n \"foo\": {\n \"sensitive\": false,\n \"type\": \"string\",\n \"value\": \"bar\"\n }\n}" if actual != expected { t.Fatalf("wrong output\ngot: %#v\nwant: %#v", actual, expected) } } func TestOutput_emptyOutputs(t *testing.T) { originalState := states.NewState() statePath := testStateFile(t, originalState) p := testProvider() view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(p), View: view, }, } args := []string{ "-state", statePath, } code := c.Run(args) output := done(t) if code != 0 { t.Fatalf("bad: \n%s", output.Stderr()) } // Warning diagnostics should go to stdout if got, want := output.Stdout(), "Warning: No outputs found"; !strings.Contains(got, want) { t.Fatalf("bad output: expected to contain %q, got:\n%s", want, got) } } func TestOutput_jsonEmptyOutputs(t *testing.T) { originalState := states.NewState() statePath := testStateFile(t, originalState) p := testProvider() view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(p), View: view, }, } args := []string{ "-state", statePath, "-json", } code := c.Run(args) output := done(t) if code != 0 { t.Fatalf("bad: \n%s", output.Stderr()) } actual := strings.TrimSpace(output.Stdout()) expected := "{}" if actual != expected { t.Fatalf("bad:\n%#v\n%#v", expected, actual) } } func TestOutput_badVar(t *testing.T) { originalState := states.BuildState(func(s *states.SyncState) { s.SetOutputValue( addrs.OutputValue{Name: "foo"}.Absolute(addrs.RootModuleInstance), cty.StringVal("bar"), false, ) }) statePath := testStateFile(t, originalState) view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), View: view, }, } args := []string{ "-state", statePath, "bar", } code := c.Run(args) output := done(t) if code != 1 { t.Fatalf("bad: \n%s", output.Stderr()) } } func TestOutput_blank(t *testing.T) { originalState := states.BuildState(func(s *states.SyncState) { s.SetOutputValue( addrs.OutputValue{Name: "foo"}.Absolute(addrs.RootModuleInstance), cty.StringVal("bar"), false, ) s.SetOutputValue( addrs.OutputValue{Name: "name"}.Absolute(addrs.RootModuleInstance), cty.StringVal("john-doe"), false, ) }) statePath := testStateFile(t, originalState) view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), View: view, }, } args := []string{ "-state", statePath, "", } code := c.Run(args) output := done(t) if code != 0 { t.Fatalf("bad: \n%s", output.Stderr()) } expectedOutput := "foo = \"bar\"\nname = \"john-doe\"\n" if got := output.Stdout(); got != expectedOutput { t.Fatalf("wrong output\ngot: %#v\nwant: %#v", got, expectedOutput) } } func TestOutput_manyArgs(t *testing.T) { view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), View: view, }, } args := []string{ "bad", "bad", } code := c.Run(args) output := done(t) if code != 1 { t.Fatalf("bad: \n%s", output.Stdout()) } } func TestOutput_noArgs(t *testing.T) { view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), View: view, }, } args := []string{} code := c.Run(args) output := done(t) if code != 0 { t.Fatalf("bad: \n%s", output.Stdout()) } } func TestOutput_noState(t *testing.T) { originalState := states.NewState() statePath := testStateFile(t, originalState) view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), View: view, }, } args := []string{ "-state", statePath, "foo", } code := c.Run(args) output := done(t) if code != 0 { t.Fatalf("bad: \n%s", output.Stderr()) } } func TestOutput_noVars(t *testing.T) { originalState := states.NewState() statePath := testStateFile(t, originalState) view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), View: view, }, } args := []string{ "-state", statePath, "bar", } code := c.Run(args) output := done(t) if code != 0 { t.Fatalf("bad: \n%s", output.Stderr()) } } func TestOutput_stateDefault(t *testing.T) { originalState := states.BuildState(func(s *states.SyncState) { s.SetOutputValue( addrs.OutputValue{Name: "foo"}.Absolute(addrs.RootModuleInstance), cty.StringVal("bar"), false, ) }) // Write the state file in a temporary directory with the // default filename. td := testTempDir(t) statePath := filepath.Join(td, DefaultStateFilename) f, err := os.Create(statePath) if err != nil { t.Fatalf("err: %s", err) } err = writeStateForTesting(originalState, f) f.Close() if err != nil { t.Fatalf("err: %s", err) } // Change to that directory cwd, err := os.Getwd() if err != nil { t.Fatalf("err: %s", err) } if err := os.Chdir(filepath.Dir(statePath)); err != nil { t.Fatalf("err: %s", err) } defer os.Chdir(cwd) view, done := testView(t) c := &OutputCommand{ Meta: Meta{ testingOverrides: metaOverridesForProvider(testProvider()), View: view, }, } args := []string{ "foo", } code := c.Run(args) output := done(t) if code != 0 { t.Fatalf("bad: \n%s", output.Stderr()) } actual := strings.TrimSpace(output.Stdout()) if actual != `"bar"` { t.Fatalf("bad: %#v", actual) } }