package commands import ( "os/exec" "testing" "github.com/jesseduffield/lazygit/pkg/commands/oscommands" "github.com/jesseduffield/lazygit/pkg/i18n" "github.com/jesseduffield/lazygit/pkg/utils" "github.com/stretchr/testify/assert" ) // NewDummyCommitListBuilder creates a new dummy CommitListBuilder for testing func NewDummyCommitListBuilder() *CommitListBuilder { osCommand := oscommands.NewDummyOSCommand() return &CommitListBuilder{ Log: utils.NewDummyLog(), GitCommand: NewDummyGitCommandWithOSCommand(osCommand), OSCommand: osCommand, Tr: i18n.NewTranslationSet(utils.NewDummyLog()), } } // TestCommitListBuilderGetMergeBase is a function. func TestCommitListBuilderGetMergeBase(t *testing.T) { type scenario struct { testName string command func(string, ...string) *exec.Cmd test func(string, error) } scenarios := []scenario{ { "swallows an error if the call to merge-base returns an error", func(cmd string, args ...string) *exec.Cmd { assert.EqualValues(t, "git", cmd) switch args[0] { case "symbolic-ref": assert.EqualValues(t, []string{"symbolic-ref", "--short", "HEAD"}, args) return exec.Command("echo", "master") case "merge-base": assert.EqualValues(t, []string{"merge-base", "HEAD", "master"}, args) return exec.Command("test") } return nil }, func(output string, err error) { assert.NoError(t, err) assert.EqualValues(t, "", output) }, }, { "returns the commit when master", func(cmd string, args ...string) *exec.Cmd { assert.EqualValues(t, "git", cmd) switch args[0] { case "symbolic-ref": assert.EqualValues(t, []string{"symbolic-ref", "--short", "HEAD"}, args) return exec.Command("echo", "master") case "merge-base": assert.EqualValues(t, []string{"merge-base", "HEAD", "master"}, args) return exec.Command("echo", "blah") } return nil }, func(output string, err error) { assert.NoError(t, err) assert.Equal(t, "blah", output) }, }, { "checks against develop when a feature branch", func(cmd string, args ...string) *exec.Cmd { assert.EqualValues(t, "git", cmd) switch args[0] { case "symbolic-ref": assert.EqualValues(t, []string{"symbolic-ref", "--short", "HEAD"}, args) return exec.Command("echo", "feature/test") case "merge-base": assert.EqualValues(t, []string{"merge-base", "HEAD", "develop"}, args) return exec.Command("echo", "blah") } return nil }, func(output string, err error) { assert.NoError(t, err) assert.Equal(t, "blah", output) }, }, { "bubbles up error if there is one", func(cmd string, args ...string) *exec.Cmd { return exec.Command("test") }, func(output string, err error) { assert.Error(t, err) assert.Equal(t, "", output) }, }, } for _, s := range scenarios { t.Run(s.testName, func(t *testing.T) { c := NewDummyCommitListBuilder() c.OSCommand.SetCommand(s.command) s.test(c.getMergeBase("HEAD")) }) } }