MAINT: Refactor tests a bit

Author: HaoZeke

.gitattributes

@@ -54,7 +54,6 @@ numpy/version.py linguist-generated
 # F2py
 ./doc/source/f2py/*.pyf text
 ./doc/source/f2py/*.dat text
-./numpy/f2py/tests/src/module_data/mod.mod binary
 
 # Documents
 *.md    text diff=markdown

.gitignore

@@ -41,6 +41,7 @@ GTAGS
 *.o.d
 *.py[ocd]
 *.so
+*.mod
 
 # Packages #
 ############

numpy/f2py/tests/src/module_data/mod.mod

@@ -0,0 +1,35 @@
+import pytest
+import textwrap
+
+from . import util
+from numpy.testing import IS_PYPY
+
+
+@pytest.mark.slow
+class TestModuleDocString(util.F2PyTest):
+    sources = [util.getpath("tests", "src", "modules", "module_data_docstring.f90")]
+
+    @pytest.mark.xfail(IS_PYPY, reason="PyPy cannot modify tp_doc after PyType_Ready")
+    def test_module_docstring(self):
+        assert self.module.mod.__doc__ == textwrap.dedent(
+            """\
+                     i : 'i'-scalar
+                     x : 'i'-array(4)
+                     a : 'f'-array(2,3)
+                     b : 'f'-array(-1,-1), not allocated\x00
+                     foo()\n
+                     Wrapper for ``foo``.\n\n"""
+        )
+
+
+@pytest.mark.slow
+class TestModuleAndSubroutine(util.F2PyTest):
+    module_name = "example"
+    sources = [
+        util.getpath("tests", "src", "modules", "gh25337", "data.f90"),
+        util.getpath("tests", "src", "modules", "gh25337", "use_data.f90"),
+    ]
+
+    def test_gh25337(self):
+        self.module.data.set_shift(3)
+        assert "data" in dir(self.module)

numpy/f2py/tests/src/regression/gh25337/data.f90 renamed to numpy/f2py/tests/src/modules/gh25337/data.f90

@@ -66,17 +66,6 @@ def test_include_path():
         assert fname in fnames_in_dir
 
 
-class TestModuleAndSubroutine(util.F2PyTest):
-    module_name = "example"
-    sources = [util.getpath("tests", "src", "regression", "gh25337", "data.f90"),
-               util.getpath("tests", "src", "regression", "gh25337", "use_data.f90")]
-
-    @pytest.mark.slow
-    def test_gh25337(self):
-        self.module.data.set_shift(3)
-        assert "data" in dir(self.module)
-
-
 class TestIncludeFiles(util.F2PyTest):
     sources = [util.getpath("tests", "src", "regression", "incfile.f90")]
     options = [f"-I{util.getpath('tests', 'src', 'regression')}",