test: add test for basic stash

pkg/integration/components/assert.go

@@ -78,6 +78,17 @@ func (self *Assert) CommitCount(expectedCount int) {
 	})
 }
 
+func (self *Assert) StashCount(expectedCount int) {
+	self.assertWithRetries(func() (bool, string) {
+		actualCount := len(self.gui.Model().StashEntries)
+
+		return actualCount == expectedCount, fmt.Sprintf(
+			"Expected %d stash entries, but got %d",
+			expectedCount, actualCount,
+		)
+	})
+}
+
 func (self *Assert) MatchHeadCommitMessage(matcher *matcher) {
 	self.assertWithRetries(func() (bool, string) {
 		return len(self.gui.Model().Commits) > 0, "Expected at least one commit to be present"

pkg/integration/tests/stash/stash.go

@@ -0,0 +1,27 @@
+package stash
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var Stash = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Stashing files",
+	ExtraCmdArgs: "",
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+		shell.EmptyCommit("initial commit")
+		shell.CreateFile("file", "content")
+		shell.GitAddAll()
+	},
+	Run: func(shell *Shell, input *Input, assert *Assert, keys config.KeybindingConfig) {
+		assert.StashCount(0)
+
+		input.PressKeys(keys.Files.ViewStashOptions)
+		input.Confirm()
+		input.Confirm()
+
+		assert.StashCount(1)
+	},
+})

pkg/integration/tests/tests.go

@@ -13,6 +13,7 @@ import (
 	"github.com/jesseduffield/lazygit/pkg/integration/tests/commit"
 	"github.com/jesseduffield/lazygit/pkg/integration/tests/custom_commands"
 	"github.com/jesseduffield/lazygit/pkg/integration/tests/interactive_rebase"
+	"github.com/jesseduffield/lazygit/pkg/integration/tests/stash"
 	"github.com/jesseduffield/lazygit/pkg/utils"
 )
 
@@ -27,6 +28,7 @@ var tests = []*components.IntegrationTest{
 	custom_commands.Basic,
 	custom_commands.MultiplePrompts,
 	custom_commands.MenuFromCommand,
+	stash.Stash,
 }
 
 func GetTests() []*components.IntegrationTest {