packer-cn/packer/environment_test.go

61 lines
1.9 KiB
Go

package packer
import (
"cgl.tideland.biz/asserts"
"os"
"testing"
)
func TestEnvironment_DefaultCli_Empty(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
defaultEnv := NewEnvironment()
assert.Equal(defaultEnv.Cli([]string{}), 1, "CLI with no args")
}
func TestEnvironment_DefaultCli_Help(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
defaultEnv := NewEnvironment()
// Test the basic version options
assert.Equal(defaultEnv.Cli([]string{"--help"}), 1, "--help should print")
assert.Equal(defaultEnv.Cli([]string{"-h"}), 1, "--help should print")
}
func TestEnvironment_DefaultCli_Version(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
defaultEnv := NewEnvironment()
// Test the basic version options
assert.Equal(defaultEnv.Cli([]string{"version"}), 0, "version should work")
assert.Equal(defaultEnv.Cli([]string{"--version"}), 0, "--version should work")
assert.Equal(defaultEnv.Cli([]string{"-v"}), 0, "-v should work")
// Test the --version and -v can appear anywhere
assert.Equal(defaultEnv.Cli([]string{"bad", "-v"}), 0, "-v should work anywhere")
assert.Equal(defaultEnv.Cli([]string{"bad", "--version"}), 0, "--version should work anywhere")
// Test that "version" can't appear anywhere
assert.Equal(defaultEnv.Cli([]string{"bad", "version"}), 1, "version should NOT work anywhere")
}
func TestEnvironment_DefaultUi(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
defaultEnv := NewEnvironment()
assert.NotNil(defaultEnv.Ui(), "default UI should not be nil")
rwUi, ok := defaultEnv.Ui().(*ReaderWriterUi)
assert.True(ok, "default UI should be ReaderWriterUi")
assert.Equal(rwUi.Writer, os.Stdout, "default UI should go to stdout")
assert.Equal(rwUi.Reader, os.Stdin, "default UI should read from stdin")
}
func TestEnvironment_PrintHelp(t *testing.T) {
// Just call the function and verify that no panics occur
NewEnvironment().PrintHelp()
}