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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "reflect" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
|
|
||
| "github.com/databus23/helm-diff/v3/cmd" | ||
| ) | ||
|
|
||
| func TestMain(m *testing.M) { | ||
| if os.Getenv(env) == envValue { | ||
| os.Exit(runFakeHelm()) | ||
| } | ||
|
|
||
| os.Exit(m.Run()) | ||
| } | ||
|
|
||
| func TestHelmDiff(t *testing.T) { | ||
| os.Setenv(env, envValue) | ||
| defer os.Unsetenv(env) | ||
|
|
||
| helmBin, helmBinSet := os.LookupEnv("HELM_BIN") | ||
| os.Setenv("HELM_BIN", os.Args[0]) | ||
| defer func() { | ||
| if helmBinSet { | ||
| os.Setenv("HELM_BIN", helmBin) | ||
| } else { | ||
| os.Unsetenv("HELM_BIN") | ||
| } | ||
| }() | ||
|
|
||
| os.Args = []string{"helm-diff", "upgrade", "-f", "test/testdata/test-values.yaml", "test-release", "test/testdata/test-chart"} | ||
| require.NoError(t, cmd.New().Execute()) | ||
| } | ||
|
|
||
| const ( | ||
| env = "BECOME_FAKE_HELM" | ||
| envValue = "1" | ||
| ) | ||
|
|
||
| type fakeHelmSubcmd struct { | ||
| cmd []string | ||
| args []string | ||
| stdout string | ||
| stderr string | ||
| exitCode int | ||
| } | ||
|
|
||
| var helmSubcmdStubs = []fakeHelmSubcmd{ | ||
| { | ||
| cmd: []string{"version"}, | ||
| stdout: `version.BuildInfo{Version:"v3.1.0-rc.1", GitCommit:"12345", GitTreeState:"clean", GoVersion:"go1.20.12"}`, | ||
| }, | ||
| { | ||
| cmd: []string{"get", "manifest"}, | ||
| args: []string{"test-release"}, | ||
| stdout: `--- | ||
| # Source: test-chart/templates/cm.yaml | ||
| `, | ||
| }, | ||
| { | ||
| cmd: []string{"template"}, | ||
| args: []string{"test-release", "test/testdata/test-chart", "--values", "test/testdata/test-values.yaml", "--validate", "--is-upgrade"}, | ||
| }, | ||
| { | ||
| cmd: []string{"get", "hooks"}, | ||
| args: []string{"test-release"}, | ||
| }, | ||
| } | ||
|
|
||
| func runFakeHelm() int { | ||
| var stub *fakeHelmSubcmd | ||
|
|
||
| if len(os.Args) < 2 { | ||
| fmt.Fprintln(os.Stderr, "fake helm does not support invocations without subcommands") | ||
| return 1 | ||
| } | ||
|
|
||
| cmdAndArgs := os.Args[1:] | ||
| for i := range helmSubcmdStubs { | ||
| s := helmSubcmdStubs[i] | ||
| if reflect.DeepEqual(s.cmd, cmdAndArgs[:len(s.cmd)]) { | ||
| stub = &s | ||
| break | ||
| } | ||
| } | ||
|
|
||
| if stub == nil { | ||
| fmt.Fprintf(os.Stderr, "no stub for %s\n", cmdAndArgs) | ||
| return 1 | ||
| } | ||
|
|
||
| want := stub.args | ||
| if want == nil { | ||
| want = []string{} | ||
| } | ||
| got := cmdAndArgs[len(stub.cmd):] | ||
| if !reflect.DeepEqual(want, got) { | ||
| fmt.Fprintf(os.Stderr, "want: %v\n", want) | ||
| fmt.Fprintf(os.Stderr, "got : %v\n", got) | ||
| fmt.Fprintf(os.Stderr, "args : %v\n", os.Args) | ||
| fmt.Fprintf(os.Stderr, "env : %v\n", os.Environ()) | ||
| return 1 | ||
| } | ||
| fmt.Fprintf(os.Stdout, "%s", stub.stdout) | ||
| fmt.Fprintf(os.Stderr, "%s", stub.stderr) | ||
| return stub.exitCode | ||
| } |