add integration test for restoring a deleted branch

pkg/integration/tests/branch/restore_deleted_branch.go

@@ -0,0 +1,51 @@
+package branch
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var RestoreDeletedBranch = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Restore a deleted local branch from the reflog",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+		shell.
+			EmptyCommit("base commit").
+			NewBranch("feature").
+			EmptyCommit("on feature").
+			Checkout("master").
+			EmptyCommit("on master").
+			RunCommand([]string{"git", "branch", "-D", "feature"})
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Branches().
+			Focus().
+			Lines(
+				Contains("master").IsSelected(),
+			)
+
+		t.Views().Branches().
+			Press(keys.Branches.RestoreBranch).
+			Tap(func() {
+				t.ExpectPopup().
+					Menu().
+					Title(Equals("Deleted branches")).
+					ContainsLines(
+						Contains("feature"),
+					).
+					Select(Contains("feature")).
+					Confirm()
+			}).
+			Tap(func() {
+				t.ExpectToast(Contains("Restored branch 'feature'"))
+			})
+
+		t.Views().Branches().
+			Lines(
+				Contains("master").IsSelected(),
+				Contains("feature"),
+			)
+	},
+})

pkg/integration/tests/test_list.go

@@ -80,6 +80,7 @@ var tests = []*components.IntegrationTest{
 	branch.ResetToDuplicateNamedTag,
 	branch.ResetToDuplicateNamedUpstream,
 	branch.ResetToUpstream,
+	branch.RestoreDeletedBranch,
 	branch.SelectCommitsOfCurrentBranch,
 	branch.SetUpstream,
 	branch.ShowDivergenceFromBaseBranch,