Support selecting file range in patch builder

test: add move_range_to_index

test: add toggle_range

pkg/integration/tests/patch_building/move_range_to_index.go

@@ -0,0 +1,70 @@
+package patch_building
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var MoveRangeToIndex = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Apply a custom patch",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+		shell.CreateFileAndAdd("file1", "first line\n")
+		shell.Commit("first commit")
+
+		shell.UpdateFileAndAdd("file1", "first line\nsecond line\n")
+		shell.CreateFileAndAdd("file2", "file two content\n")
+		shell.CreateFileAndAdd("file3", "file three content\n")
+		shell.Commit("second commit")
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Commits().
+			Focus().
+			Lines(
+				Contains("second commit").IsSelected(),
+				Contains("first commit"),
+			).
+			PressEnter()
+
+		t.Views().CommitFiles().
+			IsFocused().
+			Lines(
+				Contains("M file1").IsSelected(),
+				Contains("A file2"),
+				Contains("A file3"),
+			).
+			Press(keys.Universal.ToggleRangeSelect).
+			NavigateToLine(Contains("file2")).
+			PressPrimaryAction()
+
+		t.Views().Information().Content(Contains("Building patch"))
+
+		t.Views().PatchBuildingSecondary().Content(Contains("second line"))
+		t.Views().PatchBuildingSecondary().Content(Contains("file two content"))
+
+		t.Common().SelectPatchOption(MatchesRegexp(`Move patch out into index$`))
+
+		t.Views().CommitFiles().
+			IsFocused().
+			Lines(
+				Contains("file3").IsSelected(),
+			).PressEscape()
+
+		t.Views().Files().
+			Focus().
+			Lines(
+				Contains("file1").IsSelected(),
+				Contains("file2"),
+			)
+
+		t.Views().Main().
+			Content(Contains("second line"))
+
+		t.Views().Files().Focus().NavigateToLine(Contains("file2"))
+
+		t.Views().Main().
+			Content(Contains("file two content"))
+	},
+})