Fix attrs + remove dataclass_transform init=false tests

jedi/plugins/stdlib.py

@@ -624,8 +624,11 @@ def _dataclass(value, arguments, callback):
                     )
                 ]
             )
-        else:
-            # Decorator customization
+        elif c.is_function():
+            # dataclass_transform on a decorator equivalent of @dataclass
+            return ValueSet([value])
+        elif value.name.string_name != "dataclass_transform":
+            # dataclass (or like) decorator customization
             return ValueSet(
                 [
                     DataclassDecorator(
@@ -634,6 +637,9 @@ def _dataclass(value, arguments, callback):
                     )
                 ]
             )
+        else:
+            # dataclass_transform decorator customization; nothing impactful
+            return ValueSet([value])
     return NO_VALUES
 
 
@@ -796,17 +802,6 @@ _implemented = {
         # For now this works at least better than Jedi trying to understand it.
         'dataclass': _dataclass
     },
-    # attrs exposes declaration interface roughly compatible with dataclasses
-    # via attrs.define, attrs.frozen and attrs.mutable
-    # https://www.attrs.org/en/stable/names.html
-    'attr': {
-        'define': _dataclass,
-        'frozen': _dataclass,
-    },
-    'attrs': {
-        'define': _dataclass,
-        'frozen': _dataclass,
-    },
     'os.path': {
         'dirname': _create_string_input_function(os.path.dirname),
         'abspath': _create_string_input_function(os.path.abspath),

test/test_inference/test_signature.py

@@ -432,7 +432,7 @@ dataclass_transform_cases = [
     # Base Class
     ['@dataclass_transform\nclass X:', [], False],
     # Base Class with params
-    ['@dataclass_transform(eq=True)\nclass X:', [], False],
+    ['@dataclass_transform(eq_default=True)\nclass X:', [], False],
     # Subclass
     [dedent('''
         class Y():
@@ -447,6 +447,13 @@ dataclass_transform_cases = [
             y: int
             z = 5
         class X(Y):'''), [], True],
+    # Class based with params
+    [dedent('''
+        @dataclass_transform(eq_default=True)
+        class Y():
+            y: int
+            z = 5
+        class X(Y):'''), [], True],
     # Decorator based
     [dedent('''
         @dataclass_transform
@@ -465,19 +472,6 @@ dataclass_transform_cases = [
             p = 5
         class X(ModelBase):'''), [], True],
     # 3/ Init tweaks
-    # init=False
-    [dedent('''
-        @dataclass_transform(init=False)
-        class Y():
-            y: int
-            z = 5
-        class X(Y):'''), [], False],
-    [dedent('''
-        @dataclass_transform(eq=True, init=False)
-        class Y():
-            y: int
-            z = 5
-        class X(Y):'''), [], False],
     # custom init
     [dedent('''
     @dataclass_transform()
@@ -495,10 +489,9 @@ ids = [
     "transformer_with_params",
     "subclass_transformer",
     "base_transformed",
+    "base_transformed_with_params",
     "decorator_transformed",
     "metaclass_transformed",
-    "init_false",
-    "init_false_multiple",
     "custom_init",
 ]