add bisect integration test

pkg/integration/tests/bisect/basic.go

@@ -0,0 +1,86 @@
+package bisect
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var Basic = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Start a git bisect to find a bad commit",
+	ExtraCmdArgs: "",
+	Skip:         false,
+	SetupRepo: func(shell *Shell) {
+		shell.
+			CreateNCommits(10)
+	},
+	SetupConfig: func(cfg *config.AppConfig) {},
+	Run: func(
+		shell *Shell,
+		input *Input,
+		assert *Assert,
+		keys config.KeybindingConfig,
+	) {
+		viewBisectOptions := func() {
+			input.PressKeys(keys.Commits.ViewBisectOptions)
+			assert.InMenu()
+		}
+		markCommitAsBad := func() {
+			viewBisectOptions()
+			assert.MatchSelectedLine(Contains("bad"))
+
+			input.Confirm()
+		}
+
+		markCommitAsGood := func() {
+			viewBisectOptions()
+			assert.MatchSelectedLine(Contains("bad"))
+			input.NextItem()
+			assert.MatchSelectedLine(Contains("good"))
+
+			input.Confirm()
+		}
+
+		assert.AtLeastOneCommit()
+
+		input.SwitchToCommitsWindow()
+
+		assert.MatchSelectedLine(Contains("commit 10"))
+
+		input.NavigateToListItemContainingText("commit 09")
+
+		markCommitAsBad()
+
+		assert.MatchViewContent("information", Contains("bisecting"))
+
+		assert.CurrentViewName("commits")
+		assert.MatchSelectedLine(Contains("<-- bad"))
+
+		input.NavigateToListItemContainingText("commit 02")
+
+		markCommitAsGood()
+
+		// lazygit will land us in the comit between our good and bad commits.
+		assert.CurrentViewName("commits")
+		assert.MatchSelectedLine(Contains("commit 05"))
+		assert.MatchSelectedLine(Contains("<-- current"))
+
+		markCommitAsBad()
+
+		assert.CurrentViewName("commits")
+		assert.MatchSelectedLine(Contains("commit 04"))
+		assert.MatchSelectedLine(Contains("<-- current"))
+
+		markCommitAsGood()
+
+		assert.InAlert()
+		assert.MatchCurrentViewContent(Contains("Bisect complete!"))
+		// commit 5 is the culprit because we marked 4 as good and 5 as bad.
+		assert.MatchCurrentViewContent(Contains("commit 05"))
+		assert.MatchCurrentViewContent(Contains("Do you want to reset"))
+		input.Confirm()
+
+		assert.CurrentViewName("commits")
+		assert.MatchCurrentViewContent(Contains("commit 04"))
+		assert.MatchViewContent("information", NotContains("bisecting"))
+	},
+})