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lazygit/pkg/commands/files_test.go
2021-04-11 17:07:49 +10:00

847 lines
20 KiB
Go

package commands
import (
"fmt"
"io/ioutil"
"os/exec"
"runtime"
"testing"
"github.com/jesseduffield/lazygit/pkg/commands/models"
"github.com/jesseduffield/lazygit/pkg/secureexec"
"github.com/jesseduffield/lazygit/pkg/test"
"github.com/stretchr/testify/assert"
)
// TestGitCommandCatFile tests emitting a file using commands, where commands vary by OS.
func TestGitCommandCatFile(t *testing.T) {
var osCmd string
switch os := runtime.GOOS; os {
case "windows":
osCmd = "type"
default:
osCmd = "cat"
}
gitCmd := NewDummyGitCommand()
gitCmd.OSCommand.Command = func(cmd string, args ...string) *exec.Cmd {
assert.EqualValues(t, osCmd, cmd)
assert.EqualValues(t, []string{"test.txt"}, args)
return secureexec.Command("echo", "-n", "test")
}
o, err := gitCmd.CatFile("test.txt")
assert.NoError(t, err)
assert.Equal(t, "test", o)
}
// TestGitCommandStageFile is a function.
func TestGitCommandStageFile(t *testing.T) {
gitCmd := NewDummyGitCommand()
gitCmd.OSCommand.Command = func(cmd string, args ...string) *exec.Cmd {
assert.EqualValues(t, "git", cmd)
assert.EqualValues(t, []string{"add", "--", "test.txt"}, args)
return secureexec.Command("echo")
}
assert.NoError(t, gitCmd.StageFile("test.txt"))
}
// TestGitCommandUnstageFile is a function.
func TestGitCommandUnstageFile(t *testing.T) {
type scenario struct {
testName string
command func(string, ...string) *exec.Cmd
test func(error)
reset bool
}
scenarios := []scenario{
{
"Remove an untracked file from staging",
func(cmd string, args ...string) *exec.Cmd {
assert.EqualValues(t, "git", cmd)
assert.EqualValues(t, []string{"rm", "--cached", "--force", "--", "test.txt"}, args)
return secureexec.Command("echo")
},
func(err error) {
assert.NoError(t, err)
},
false,
},
{
"Remove a tracked file from staging",
func(cmd string, args ...string) *exec.Cmd {
assert.EqualValues(t, "git", cmd)
assert.EqualValues(t, []string{"reset", "HEAD", "--", "test.txt"}, args)
return secureexec.Command("echo")
},
func(err error) {
assert.NoError(t, err)
},
true,
},
}
for _, s := range scenarios {
t.Run(s.testName, func(t *testing.T) {
gitCmd := NewDummyGitCommand()
gitCmd.OSCommand.Command = s.command
s.test(gitCmd.UnStageFile([]string{"test.txt"}, s.reset))
})
}
}
// TestGitCommandDiscardAllFileChanges is a function.
// these tests don't cover everything, in part because we already have an integration
// test which does cover everything. I don't want to unnecessarily assert on the 'how'
// when the 'what' is what matters
func TestGitCommandDiscardAllFileChanges(t *testing.T) {
type scenario struct {
testName string
command func() (func(string, ...string) *exec.Cmd, *[][]string)
test func(*[][]string, error)
file *models.File
removeFile func(string) error
}
scenarios := []scenario{
{
"An error occurred when resetting",
func() (func(string, ...string) *exec.Cmd, *[][]string) {
cmdsCalled := [][]string{}
return func(cmd string, args ...string) *exec.Cmd {
cmdsCalled = append(cmdsCalled, args)
return secureexec.Command("test")
}, &cmdsCalled
},
func(cmdsCalled *[][]string, err error) {
assert.Error(t, err)
assert.Len(t, *cmdsCalled, 1)
assert.EqualValues(t, *cmdsCalled, [][]string{
{"reset", "--", "test"},
})
},
&models.File{
Name: "test",
HasStagedChanges: true,
},
func(string) error {
return nil
},
},
{
"An error occurred when removing file",
func() (func(string, ...string) *exec.Cmd, *[][]string) {
cmdsCalled := [][]string{}
return func(cmd string, args ...string) *exec.Cmd {
cmdsCalled = append(cmdsCalled, args)
return secureexec.Command("test")
}, &cmdsCalled
},
func(cmdsCalled *[][]string, err error) {
assert.Error(t, err)
assert.EqualError(t, err, "an error occurred when removing file")
assert.Len(t, *cmdsCalled, 0)
},
&models.File{
Name: "test",
Tracked: false,
Added: true,
},
func(string) error {
return fmt.Errorf("an error occurred when removing file")
},
},
{
"An error occurred with checkout",
func() (func(string, ...string) *exec.Cmd, *[][]string) {
cmdsCalled := [][]string{}
return func(cmd string, args ...string) *exec.Cmd {
cmdsCalled = append(cmdsCalled, args)
return secureexec.Command("test")
}, &cmdsCalled
},
func(cmdsCalled *[][]string, err error) {
assert.Error(t, err)
assert.Len(t, *cmdsCalled, 1)
assert.EqualValues(t, *cmdsCalled, [][]string{
{"checkout", "--", "test"},
})
},
&models.File{
Name: "test",
Tracked: true,
HasStagedChanges: false,
},
func(string) error {
return nil
},
},
{
"Checkout only",
func() (func(string, ...string) *exec.Cmd, *[][]string) {
cmdsCalled := [][]string{}
return func(cmd string, args ...string) *exec.Cmd {
cmdsCalled = append(cmdsCalled, args)
return secureexec.Command("echo")
}, &cmdsCalled
},
func(cmdsCalled *[][]string, err error) {
assert.NoError(t, err)
assert.Len(t, *cmdsCalled, 1)
assert.EqualValues(t, *cmdsCalled, [][]string{
{"checkout", "--", "test"},
})
},
&models.File{
Name: "test",
Tracked: true,
HasStagedChanges: false,
},
func(string) error {
return nil
},
},
{
"Reset and checkout staged changes",
func() (func(string, ...string) *exec.Cmd, *[][]string) {
cmdsCalled := [][]string{}
return func(cmd string, args ...string) *exec.Cmd {
cmdsCalled = append(cmdsCalled, args)
return secureexec.Command("echo")
}, &cmdsCalled
},
func(cmdsCalled *[][]string, err error) {
assert.NoError(t, err)
assert.Len(t, *cmdsCalled, 2)
assert.EqualValues(t, *cmdsCalled, [][]string{
{"reset", "--", "test"},
{"checkout", "--", "test"},
})
},
&models.File{
Name: "test",
Tracked: true,
HasStagedChanges: true,
},
func(string) error {
return nil
},
},
{
"Reset and checkout merge conflicts",
func() (func(string, ...string) *exec.Cmd, *[][]string) {
cmdsCalled := [][]string{}
return func(cmd string, args ...string) *exec.Cmd {
cmdsCalled = append(cmdsCalled, args)
return secureexec.Command("echo")
}, &cmdsCalled
},
func(cmdsCalled *[][]string, err error) {
assert.NoError(t, err)
assert.Len(t, *cmdsCalled, 2)
assert.EqualValues(t, *cmdsCalled, [][]string{
{"reset", "--", "test"},
{"checkout", "--", "test"},
})
},
&models.File{
Name: "test",
Tracked: true,
HasMergeConflicts: true,
},
func(string) error {
return nil
},
},
{
"Reset and remove",
func() (func(string, ...string) *exec.Cmd, *[][]string) {
cmdsCalled := [][]string{}
return func(cmd string, args ...string) *exec.Cmd {
cmdsCalled = append(cmdsCalled, args)
return secureexec.Command("echo")
}, &cmdsCalled
},
func(cmdsCalled *[][]string, err error) {
assert.NoError(t, err)
assert.Len(t, *cmdsCalled, 1)
assert.EqualValues(t, *cmdsCalled, [][]string{
{"reset", "--", "test"},
})
},
&models.File{
Name: "test",
Tracked: false,
Added: true,
HasStagedChanges: true,
},
func(filename string) error {
assert.Equal(t, "test", filename)
return nil
},
},
{
"Remove only",
func() (func(string, ...string) *exec.Cmd, *[][]string) {
cmdsCalled := [][]string{}
return func(cmd string, args ...string) *exec.Cmd {
cmdsCalled = append(cmdsCalled, args)
return secureexec.Command("echo")
}, &cmdsCalled
},
func(cmdsCalled *[][]string, err error) {
assert.NoError(t, err)
assert.Len(t, *cmdsCalled, 0)
},
&models.File{
Name: "test",
Tracked: false,
Added: true,
HasStagedChanges: false,
},
func(filename string) error {
assert.Equal(t, "test", filename)
return nil
},
},
}
for _, s := range scenarios {
t.Run(s.testName, func(t *testing.T) {
var cmdsCalled *[][]string
gitCmd := NewDummyGitCommand()
gitCmd.OSCommand.Command, cmdsCalled = s.command()
gitCmd.OSCommand.SetRemoveFile(s.removeFile)
s.test(cmdsCalled, gitCmd.DiscardAllFileChanges(s.file))
})
}
}
// TestGitCommandDiff is a function.
func TestGitCommandDiff(t *testing.T) {
type scenario struct {
testName string
command func(string, ...string) *exec.Cmd
file *models.File
plain bool
cached bool
}
scenarios := []scenario{
{
"Default case",
func(cmd string, args ...string) *exec.Cmd {
assert.EqualValues(t, "git", cmd)
assert.EqualValues(t, []string{"diff", "--submodule", "--no-ext-diff", "--color=always", "--", "test.txt"}, args)
return secureexec.Command("echo")
},
&models.File{
Name: "test.txt",
HasStagedChanges: false,
Tracked: true,
},
false,
false,
},
{
"cached",
func(cmd string, args ...string) *exec.Cmd {
assert.EqualValues(t, "git", cmd)
assert.EqualValues(t, []string{"diff", "--submodule", "--no-ext-diff", "--color=always", "--cached", "--", "test.txt"}, args)
return secureexec.Command("echo")
},
&models.File{
Name: "test.txt",
HasStagedChanges: false,
Tracked: true,
},
false,
true,
},
{
"plain",
func(cmd string, args ...string) *exec.Cmd {
assert.EqualValues(t, "git", cmd)
assert.EqualValues(t, []string{"diff", "--submodule", "--no-ext-diff", "--color=never", "--", "test.txt"}, args)
return secureexec.Command("echo")
},
&models.File{
Name: "test.txt",
HasStagedChanges: false,
Tracked: true,
},
true,
false,
},
{
"File not tracked and file has no staged changes",
func(cmd string, args ...string) *exec.Cmd {
assert.EqualValues(t, "git", cmd)
assert.EqualValues(t, []string{"diff", "--submodule", "--no-ext-diff", "--color=always", "--no-index", "--", "/dev/null", "test.txt"}, args)
return secureexec.Command("echo")
},
&models.File{
Name: "test.txt",
HasStagedChanges: false,
Tracked: false,
},
false,
false,
},
}
for _, s := range scenarios {
t.Run(s.testName, func(t *testing.T) {
gitCmd := NewDummyGitCommand()
gitCmd.OSCommand.Command = s.command
gitCmd.WorktreeFileDiff(s.file, s.plain, s.cached)
})
}
}
// TestGitCommandCheckoutFile is a function.
func TestGitCommandCheckoutFile(t *testing.T) {
type scenario struct {
testName string
commitSha string
fileName string
command func(string, ...string) *exec.Cmd
test func(error)
}
scenarios := []scenario{
{
"typical case",
"11af912",
"test999.txt",
test.CreateMockCommand(t, []*test.CommandSwapper{
{
Expect: "git checkout 11af912 test999.txt",
Replace: "echo",
},
}),
func(err error) {
assert.NoError(t, err)
},
},
{
"returns error if there is one",
"11af912",
"test999.txt",
test.CreateMockCommand(t, []*test.CommandSwapper{
{
Expect: "git checkout 11af912 test999.txt",
Replace: "test",
},
}),
func(err error) {
assert.Error(t, err)
},
},
}
gitCmd := NewDummyGitCommand()
for _, s := range scenarios {
t.Run(s.testName, func(t *testing.T) {
gitCmd.OSCommand.Command = s.command
s.test(gitCmd.CheckoutFile(s.commitSha, s.fileName))
})
}
}
func TestGitCommandApplyPatch(t *testing.T) {
type scenario struct {
testName string
command func(string, ...string) *exec.Cmd
test func(error)
}
scenarios := []scenario{
{
"valid case",
func(cmd string, args ...string) *exec.Cmd {
assert.Equal(t, "git", cmd)
assert.EqualValues(t, []string{"apply", "--cached"}, args[0:2])
filename := args[2]
content, err := ioutil.ReadFile(filename)
assert.NoError(t, err)
assert.Equal(t, "test", string(content))
return secureexec.Command("echo", "done")
},
func(err error) {
assert.NoError(t, err)
},
},
{
"command returns error",
func(cmd string, args ...string) *exec.Cmd {
assert.Equal(t, "git", cmd)
assert.EqualValues(t, []string{"apply", "--cached"}, args[0:2])
filename := args[2]
// TODO: Ideally we want to mock out OSCommand here so that we're not
// double handling testing it's CreateTempFile functionality,
// but it is going to take a bit of work to make a proper mock for it
// so I'm leaving it for another PR
content, err := ioutil.ReadFile(filename)
assert.NoError(t, err)
assert.Equal(t, "test", string(content))
return secureexec.Command("test")
},
func(err error) {
assert.Error(t, err)
},
},
}
for _, s := range scenarios {
t.Run(s.testName, func(t *testing.T) {
gitCmd := NewDummyGitCommand()
gitCmd.OSCommand.Command = s.command
s.test(gitCmd.ApplyPatch("test", "cached"))
})
}
}
// TestGitCommandDiscardOldFileChanges is a function.
func TestGitCommandDiscardOldFileChanges(t *testing.T) {
type scenario struct {
testName string
getGitConfigValue func(string) (string, error)
commits []*models.Commit
commitIndex int
fileName string
command func(string, ...string) *exec.Cmd
test func(error)
}
scenarios := []scenario{
{
"returns error when index outside of range of commits",
func(string) (string, error) {
return "", nil
},
[]*models.Commit{},
0,
"test999.txt",
nil,
func(err error) {
assert.Error(t, err)
},
},
{
"returns error when using gpg",
func(string) (string, error) {
return "true", nil
},
[]*models.Commit{{Name: "commit", Sha: "123456"}},
0,
"test999.txt",
nil,
func(err error) {
assert.Error(t, err)
},
},
{
"checks out file if it already existed",
func(string) (string, error) {
return "", nil
},
[]*models.Commit{
{Name: "commit", Sha: "123456"},
{Name: "commit2", Sha: "abcdef"},
},
0,
"test999.txt",
test.CreateMockCommand(t, []*test.CommandSwapper{
{
Expect: "git rebase --interactive --autostash --keep-empty abcdef",
Replace: "echo",
},
{
Expect: "git cat-file -e HEAD^:test999.txt",
Replace: "echo",
},
{
Expect: "git checkout HEAD^ test999.txt",
Replace: "echo",
},
{
Expect: "git commit --amend --no-edit --allow-empty",
Replace: "echo",
},
{
Expect: "git rebase --continue",
Replace: "echo",
},
}),
func(err error) {
assert.NoError(t, err)
},
},
// test for when the file was created within the commit requires a refactor to support proper mocks
// currently we'd need to mock out the os.Remove function and that's gonna introduce tech debt
}
gitCmd := NewDummyGitCommand()
for _, s := range scenarios {
t.Run(s.testName, func(t *testing.T) {
gitCmd.OSCommand.Command = s.command
gitCmd.getGitConfigValue = s.getGitConfigValue
s.test(gitCmd.DiscardOldFileChanges(s.commits, s.commitIndex, s.fileName))
})
}
}
// TestGitCommandDiscardUnstagedFileChanges is a function.
func TestGitCommandDiscardUnstagedFileChanges(t *testing.T) {
type scenario struct {
testName string
file *models.File
command func(string, ...string) *exec.Cmd
test func(error)
}
scenarios := []scenario{
{
"valid case",
&models.File{Name: "test.txt"},
test.CreateMockCommand(t, []*test.CommandSwapper{
{
Expect: `git checkout -- "test.txt"`,
Replace: "echo",
},
}),
func(err error) {
assert.NoError(t, err)
},
},
}
gitCmd := NewDummyGitCommand()
for _, s := range scenarios {
t.Run(s.testName, func(t *testing.T) {
gitCmd.OSCommand.Command = s.command
s.test(gitCmd.DiscardUnstagedFileChanges(s.file))
})
}
}
// TestGitCommandDiscardAnyUnstagedFileChanges is a function.
func TestGitCommandDiscardAnyUnstagedFileChanges(t *testing.T) {
type scenario struct {
testName string
command func(string, ...string) *exec.Cmd
test func(error)
}
scenarios := []scenario{
{
"valid case",
test.CreateMockCommand(t, []*test.CommandSwapper{
{
Expect: `git checkout -- .`,
Replace: "echo",
},
}),
func(err error) {
assert.NoError(t, err)
},
},
}
gitCmd := NewDummyGitCommand()
for _, s := range scenarios {
t.Run(s.testName, func(t *testing.T) {
gitCmd.OSCommand.Command = s.command
s.test(gitCmd.DiscardAnyUnstagedFileChanges())
})
}
}
// TestGitCommandRemoveUntrackedFiles is a function.
func TestGitCommandRemoveUntrackedFiles(t *testing.T) {
type scenario struct {
testName string
command func(string, ...string) *exec.Cmd
test func(error)
}
scenarios := []scenario{
{
"valid case",
test.CreateMockCommand(t, []*test.CommandSwapper{
{
Expect: `git clean -fd`,
Replace: "echo",
},
}),
func(err error) {
assert.NoError(t, err)
},
},
}
gitCmd := NewDummyGitCommand()
for _, s := range scenarios {
t.Run(s.testName, func(t *testing.T) {
gitCmd.OSCommand.Command = s.command
s.test(gitCmd.RemoveUntrackedFiles())
})
}
}
// TestEditFileCmdStr is a function.
func TestEditFileCmdStr(t *testing.T) {
type scenario struct {
filename string
command func(string, ...string) *exec.Cmd
getenv func(string) string
getGitConfigValue func(string) (string, error)
test func(string, error)
}
scenarios := []scenario{
{
"test",
func(name string, arg ...string) *exec.Cmd {
return secureexec.Command("exit", "1")
},
func(env string) string {
return ""
},
func(cf string) (string, error) {
return "", nil
},
func(cmdStr string, err error) {
assert.EqualError(t, err, "No editor defined in $GIT_EDITOR, $VISUAL, $EDITOR, or git config")
},
},
{
"test",
func(name string, arg ...string) *exec.Cmd {
assert.Equal(t, "which", name)
return secureexec.Command("exit", "1")
},
func(env string) string {
return ""
},
func(cf string) (string, error) {
return "nano", nil
},
func(cmdStr string, err error) {
assert.NoError(t, err)
assert.Equal(t, "nano \"test\"", cmdStr)
},
},
{
"test",
func(name string, arg ...string) *exec.Cmd {
assert.Equal(t, "which", name)
return secureexec.Command("exit", "1")
},
func(env string) string {
if env == "VISUAL" {
return "nano"
}
return ""
},
func(cf string) (string, error) {
return "", nil
},
func(cmdStr string, err error) {
assert.NoError(t, err)
},
},
{
"test",
func(name string, arg ...string) *exec.Cmd {
assert.Equal(t, "which", name)
return secureexec.Command("exit", "1")
},
func(env string) string {
if env == "EDITOR" {
return "emacs"
}
return ""
},
func(cf string) (string, error) {
return "", nil
},
func(cmdStr string, err error) {
assert.NoError(t, err)
assert.Equal(t, "emacs \"test\"", cmdStr)
},
},
{
"test",
func(name string, arg ...string) *exec.Cmd {
assert.Equal(t, "which", name)
return secureexec.Command("echo")
},
func(env string) string {
return ""
},
func(cf string) (string, error) {
return "", nil
},
func(cmdStr string, err error) {
assert.NoError(t, err)
assert.Equal(t, "vi \"test\"", cmdStr)
},
},
{
"file/with space",
func(name string, args ...string) *exec.Cmd {
assert.Equal(t, "which", name)
return secureexec.Command("echo")
},
func(env string) string {
return ""
},
func(cf string) (string, error) {
return "", nil
},
func(cmdStr string, err error) {
assert.NoError(t, err)
assert.Equal(t, "vi \"file/with space\"", cmdStr)
},
},
}
for _, s := range scenarios {
gitCmd := NewDummyGitCommand()
gitCmd.OSCommand.Command = s.command
gitCmd.OSCommand.Getenv = s.getenv
gitCmd.getGitConfigValue = s.getGitConfigValue
s.test(gitCmd.EditFileCmdStr(s.filename))
}
}