Remove gutter icon for pytest fixtures

python/python-psi-impl/src/com/jetbrains/python/testing/PythonUnitTestDetectors.kt

@@ -11,10 +11,26 @@ import com.jetbrains.python.psi.PyFunction
 import com.jetbrains.python.psi.types.TypeEvalContext
 
 /**
- * Any "test_" function could be used as test by pytest.
+ * Any "test_" function could be used as a test by pytest.
  * See `PythonUnitTestDetectorsBasedOnSettings.isTestFunction`.
  */
-fun isTestFunction(function: PyFunction) = function.name?.startsWith("test") == true
+fun isTestFunction(function: PyFunction): Boolean {
+  // Check if the function name starts with "test"
+  val isTestNamed = function.name?.startsWith("test") == true
+  if (!isTestNamed) return false
+
+  // Get the list of decorators, if any, otherwise consider this a test function
+  val decoratorList = function.decoratorList?.decorators ?: return true
+
+  // Determine if any decorator matches known pytest fixture names
+  val isPytestFixture = decoratorList.any { decorator ->
+    val decoratorName = decorator.callee?.text
+    decoratorName in com.jetbrains.python.testing.pyTestFixtures.TEST_FIXTURE_DECORATOR_NAMES
+  }
+
+  // A test function must not be a pytest fixture
+  return !isPytestFixture
+}
 
 /**
  * Inheritor of TestCase class is always test for unittest and could also be launched with pytest.

python/testData/pyTestLineMarker/fixtureTest.py

@@ -0,0 +1,8 @@
+import pytest
+
+@pytest.fixture
+def test_fixture():
+    return 42
+
+def test_actual():
+    assert True

python/testSrc/com/jetbrains/python/testing/PyTestRunLineMarkerTest.kt

@@ -12,6 +12,7 @@ open class PyTestRunLineMarkerTest : PyTestCase() {
   companion object {
     const val TESTS_DIR = "/pyTestLineMarker/"
     const val PYTHON_FILE = "pythonFile.py"
+    const val FIXTURE_FILE = "fixtureTest.py"
   }
 
   override fun getTestDataPath(): String = super.getTestDataPath() + TESTS_DIR
@@ -54,4 +55,23 @@ open class PyTestRunLineMarkerTest : PyTestCase() {
       assertInfoFound(element, lineMarkerContributor)
     }
   }
-}
+
+  fun testFixtureWithTestPrefix() {
+    val lineMarkerContributor = PyTestLineMarkerContributor()
+
+    myFixture.configureByText(FIXTURE_FILE, """
+      import pytest
+
+      @pytest.fixture
+      def <caret>test_fixture():
+          return 42
+
+      def test_actual():
+          assert True
+    """.trimIndent())
+
+    val fixtureElement = myFixture.file.findElementAt(myFixture.caretOffset)
+    assertNotNull(fixtureElement)
+    assertInfoNotFound(fixtureElement!!, lineMarkerContributor)
+  }
+}