Function TestFlagEqualsEmptyValue

command_test.go:6194–6234

(t *testing.T)

}

func TestFlagEqualsEmptyValue(t *testing.T) {
	t.Run("--flag= sets empty string", func(t *testing.T) {
		var val string

		cmd := &Command{
			Flags: []Flag{
				&StringFlag{
					Name:        "name",
					Destination: &val,
				},
			},
		}

		err := cmd.Run(buildTestContext(t), []string{"app", "--name="})
		assert.NoError(t, err)
		assert.Equal(t, "", val)
	})

	t.Run("--flag= does not consume next positional arg", func(t *testing.T) {
		var val string
		var args []string

		cmd := &Command{
			Flags: []Flag{
				&StringFlag{
					Name:        "name",
					Destination: &val,
				},
			},
			Action: func(_ context.Context, cmd *Command) error {
				args = cmd.Args().Slice()
				return nil
			},
		}

		err := cmd.Run(buildTestContext(t), []string{"app", "--name=", "positional"})
		assert.NoError(t, err)
		assert.Equal(t, "", val)
		assert.Equal(t, []string{"positional"}, args)
	})
}

// TestCommand_NoDefaultCmdArgMatchingFlag tests the argument set
// of a command which has no default command, and has a flag with