Speed up tests by combining them

Author: sobolevn

test-data/unit/cmdline.pyproject.test

@@ -138,89 +138,77 @@ description = "Factory ⸻ A code generator 🏭"
 # cmd: mypy
 [file pyproject.toml]
 \[tool.mypy]
+# We combine multiple tests in a single one here, because these tests are slow.
 files = """
   a.py,
   b.py,
 """
-[file a.py]
-x: str = 'x'  # ok
-[file b.py]
-y: int = 'y'  # E: Incompatible types in assignment (expression has type "str", variable has type "int")
-[file c.py]
-# This should not trigger any errors, because it is not included:
-z: int = 'z'
-[out]
-
-[case testPyprojectAlwaysTrueTrailingComma]
-# cmd: mypy .
-[file pyproject.toml]
-\[tool.mypy]
 always_true = """
-  FLAG_A,
-  FLAG_B,
+  FLAG_A1,
+  FLAG_B1,
 """
-[file a.py]
-FLAG_A = False
-FLAG_B = False
-if not FLAG_A:  # unreachable
-    x: int = 'x'
-if not FLAG_B:  # unreachable
-    y: int = 'y'
-
-[case testPyprojectAlwaysFalseTrailingComma]
-# cmd: mypy .
-[file pyproject.toml]
-\[tool.mypy]
 always_false = """
-  FLAG_A,
-  FLAG_B,
+  FLAG_A2,
+  FLAG_B2,
 """
 [file a.py]
-FLAG_A = True
-FLAG_B = True
-if FLAG_A:  # unreachable
+x: str = 'x'  # ok'
+
+# --always-true
+FLAG_A1 = False
+FLAG_B1 = False
+if not FLAG_A1:  # unreachable
     x: int = 'x'
-if FLAG_B:  # unreachable
+if not FLAG_B1:  # unreachable
     y: int = 'y'
 
-[case testPyprojectEnableErrorCodeTrailingComma]
-# cmd: mypy .
-[file pyproject.toml]
-\[tool.mypy]
-enable_error_code = """
-  redundant-expr,
-  ignore-without-code,
-"""
-[file a.py]
-1 + 'a'  # type: ignore  # E: "type: ignore" comment without error code (consider "type: ignore[operator]" instead)
-
-[case testPyprojectDisableErrorCodeTrailingComma]
-# cmd: mypy .
-[file pyproject.toml]
-\[tool.mypy]
-disable_error_code = """
-  operator,
-  import,
-"""
-[file a.py]
-1 + 'a'
+# --always-false
+FLAG_A2 = True
+FLAG_B2 = True
+if FLAG_A2:  # unreachable
+    x: int = 'x'
+if FLAG_B2:  # unreachable
+    y: int = 'y'
+[file b.py]
+y: int = 'y'  # E: Incompatible types in assignment (expression has type "str", variable has type "int")
+[file c.py]
+# This should not trigger any errors, because it is not included:
+z: int = 'z'
+[out]
 
 [case testPyprojectModulesTrailingComma]
 # cmd: mypy
 [file pyproject.toml]
 \[tool.mypy]
+# We combine multiple tests in a single one here, because these tests are slow.
 modules = """
   a,
   b,
 """
+disable_error_code = """
+  operator,
+  import,
+"""
+enable_error_code = """
+  redundant-expr,
+  ignore-without-code,
+"""
 [file a.py]
 x: str = 'x'  # ok
+
+# --enable-error-code
+a: int = 'a'  # type: ignore
+
+# --disable-error-code
+'a' + 1
 [file b.py]
-y: int = 'y'  # E: Incompatible types in assignment (expression has type "str", variable has type "int")
+y: int = 'y'
 [file c.py]
 # This should not trigger any errors, because it is not included:
 z: int = 'z'
 [out]
+b.py:1: error: Incompatible types in assignment (expression has type "str", variable has type "int")
+a.py:4: error: "type: ignore" comment without error code (consider "type: ignore[assignment]" instead)
 
 [case testPyprojectPackagesTrailingComma]
 # cmd: mypy