Function TestInitDefaultCompletionCmd

completions_test.go:3930–4017

A test to make sure the InitDefaultCompletionCmd function works as expected in case a project calls it directly.

(t *testing.T)

// A test to make sure the InitDefaultCompletionCmd function works as expected
// in case a project calls it directly.
func TestInitDefaultCompletionCmd(t *testing.T) {

	testCases := []struct {
		desc          string
		hasChildCmd   bool
		args          []string
		expectCompCmd bool
	}{
		{
			desc:          "no child command and not calling the completion command",
			hasChildCmd:   false,
			args:          []string{"somearg"},
			expectCompCmd: false,
		},
		{
			desc:          "no child command but calling the completion command",
			hasChildCmd:   false,
			args:          []string{"completion"},
			expectCompCmd: true,
		},
		{
			desc:          "no child command but calling __complete on the root command",
			hasChildCmd:   false,
			args:          []string{"__complete", ""},
			expectCompCmd: false,
		},
		{
			desc:          "no child command but calling __complete on the completion command",
			hasChildCmd:   false,
			args:          []string{"__complete", "completion", ""},
			expectCompCmd: true,
		},
		{
			desc:          "with child command",
			hasChildCmd:   true,
			args:          []string{"child"},
			expectCompCmd: true,
		},
		{
			desc:          "no child command not passing args",
			hasChildCmd:   false,
			args:          nil,
			expectCompCmd: false,
		},
		{
			desc:          "with child command not passing args",
			hasChildCmd:   true,
			args:          nil,
			expectCompCmd: true,
		},
	}

	for _, tc := range testCases {
		t.Run(tc.desc, func(t *testing.T) {
			rootCmd := &Command{Use: "root", Run: emptyRun}
			childCmd := &Command{Use: "child", Run: emptyRun}

			expectedNumSubCommands := 0