add test workflows to cmd pkg (#2665)

* add test workflows to cmd pkg

* list-options as well

* add more tests

* test entrypoint as well

* update exit code 1 test

cmd/execute_test.go

@@ -0,0 +1,45 @@
+package cmd
+
+import (
+	"context"
+	"os"
+	"testing"
+)
+
+// Helper function to test main with different os.Args
+func testMain(args []string) (exitCode int) {
+	// Save original os.Args and defer restoring it
+	origArgs := os.Args
+	defer func() { os.Args = origArgs }()
+
+	// Save original os.Exit and defer restoring it
+	defer func() { exitFunc = os.Exit }()
+
+	// Mock os.Exit
+	fakeExit := func(code int) {
+		exitCode = code
+	}
+	exitFunc = fakeExit
+
+	// Mock os.Args
+	os.Args = args
+
+	// Run the main function
+	Execute(context.Background(), "")
+
+	return exitCode
+}
+
+func TestMainHelp(t *testing.T) {
+	exitCode := testMain([]string{"cmd", "--help"})
+	if exitCode != 0 {
+		t.Errorf("Expected exit code 0, got %d", exitCode)
+	}
+}
+
+func TestMainNoArgsError(t *testing.T) {
+	exitCode := testMain([]string{"cmd"})
+	if exitCode != 1 {
+		t.Errorf("Expected exit code 1, got %d", exitCode)
+	}
+}

cmd/root.go

@@ -41,9 +41,19 @@ type Flag struct {
 	Description string `json:"description"`
 }
 
+var exitFunc = os.Exit
+
 // Execute is the entry point to running the CLI
 func Execute(ctx context.Context, version string) {
 	input := new(Input)
+	rootCmd := createRootCommand(ctx, input, version)
+
+	if err := rootCmd.Execute(); err != nil {
+		exitFunc(1)
+	}
+}
+
+func createRootCommand(ctx context.Context, input *Input, version string) *cobra.Command {
 	rootCmd := &cobra.Command{
 		Use:               "act [event name to run] [flags]\n\nIf no event name passed, will default to \"on: push\"\nIf actions handles only one event it will be used as default instead of \"on: push\"",
 		Short:             "Run GitHub actions locally by specifying the event name (e.g. `push`) or an action name directly.",
@@ -117,10 +127,7 @@ func Execute(ctx context.Context, version string) {
 	rootCmd.PersistentFlags().StringArrayVarP(&input.localRepository, "local-repository", "", []string{}, "Replaces the specified repository and ref with a local folder (e.g. https://github.com/test/test@v0=/home/act/test or test/test@v0=/home/act/test, the latter matches any hosts or protocols)")
 	rootCmd.PersistentFlags().BoolVar(&input.listOptions, "list-options", false, "Print a json structure of compatible options")
 	rootCmd.SetArgs(args())
-
-	if err := rootCmd.Execute(); err != nil {
-		os.Exit(1)
-	}
+	return rootCmd
 }
 
 // Return locations where Act's config can be found in order: XDG spec, .actrc in HOME directory, .actrc in invocation directory

cmd/root_test.go

@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	"context"
 	"path"
 	"testing"
 
@@ -26,3 +27,58 @@ line2
 line3
 `, secrets["mysecret"])
 }
+
+func TestListOptions(t *testing.T) {
+	rootCmd := createRootCommand(context.Background(), &Input{}, "")
+	err := newRunCommand(context.Background(), &Input{
+		listOptions: true,
+	})(rootCmd, []string{})
+	assert.NoError(t, err)
+}
+
+func TestRun(t *testing.T) {
+	rootCmd := createRootCommand(context.Background(), &Input{}, "")
+	err := newRunCommand(context.Background(), &Input{
+		platforms:     []string{"ubuntu-latest=node:16-buster-slim"},
+		workdir:       "../pkg/runner/testdata/",
+		workflowsPath: "./basic/push.yml",
+	})(rootCmd, []string{})
+	assert.NoError(t, err)
+}
+
+func TestRunPush(t *testing.T) {
+	rootCmd := createRootCommand(context.Background(), &Input{}, "")
+	err := newRunCommand(context.Background(), &Input{
+		platforms:     []string{"ubuntu-latest=node:16-buster-slim"},
+		workdir:       "../pkg/runner/testdata/",
+		workflowsPath: "./basic/push.yml",
+	})(rootCmd, []string{"push"})
+	assert.NoError(t, err)
+}
+
+func TestRunPushJsonLogger(t *testing.T) {
+	rootCmd := createRootCommand(context.Background(), &Input{}, "")
+	err := newRunCommand(context.Background(), &Input{
+		platforms:     []string{"ubuntu-latest=node:16-buster-slim"},
+		workdir:       "../pkg/runner/testdata/",
+		workflowsPath: "./basic/push.yml",
+		jsonLogger:    true,
+	})(rootCmd, []string{"push"})
+	assert.NoError(t, err)
+}
+
+func TestFlags(t *testing.T) {
+	for _, f := range []string{"graph", "list", "bug-report", "man-page"} {
+		t.Run("TestFlag-"+f, func(t *testing.T) {
+			rootCmd := createRootCommand(context.Background(), &Input{}, "")
+			err := rootCmd.Flags().Set(f, "true")
+			assert.NoError(t, err)
+			err = newRunCommand(context.Background(), &Input{
+				platforms:     []string{"ubuntu-latest=node:16-buster-slim"},
+				workdir:       "../pkg/runner/testdata/",
+				workflowsPath: "./basic/push.yml",
+			})(rootCmd, []string{})
+			assert.NoError(t, err)
+		})
+	}
+}