test consistent languages output in bdd style

hedhyw · Jun 19, 2024 · 98fd2e6 · 98fd2e6
1 parent 42615b2
commit 98fd2e6
Show file tree

Hide file tree

Showing 3 changed files with 17 additions and 31 deletions.
diff --git a/internal/app/app.feature b/internal/app/app.feature
@@ -97,3 +97,7 @@ Feature: Application command line tool
     | <flag>      |
     | -languages  |
     | --languages |
+
+  Scenario: User wants to see consistent supported natural languages output
+    When the user lists supported natural languages several times
+    Then the output is the same
diff --git a/internal/app/app_test.go b/internal/app/app_test.go
@@ -188,6 +188,19 @@ func TestApplicationCommandLineTool(t *testing.T) {
 			})
 		}
 	})
+
+	t.Run("User wants to see consistent supported natural languages output", func(t *testing.T) {
+		t.Parallel()
+
+		// When the user lists supported natural languages several times.
+		arguments := []string{"-languages"}
+
+		out1 := runApp(t, arguments, true)
+		out2 := runApp(t, arguments, true)
+
+		// Then the output is the same.
+		assert.Equal(t, out1, out2)
+	})
 }
 
 func TestApplicationCommandLineToolCustom(t *testing.T) {

diff --git a/internal/app/languages_private_test.go b/internal/app/languages_private_test.go