Improve file finder test coverage

Author: sbidoul

testing/test_file_finder.py

@@ -84,6 +84,15 @@ def test_symlink_dir(inwd):
     })
 
 
+@pytest.mark.skipif(sys.platform == 'win32',
+                    reason="symlinks to dir not supported")
+def test_symlink_dir_source_not_in_scm(inwd):
+    (inwd.cwd / 'adir' / 'bdirlink').mksymlinkto('../bdir')
+    assert set(find_files('adir')) == _sep({
+        'adir/filea',
+    })
+
+
 @pytest.mark.skipif(sys.platform == 'win32',
                     reason="symlinks to files not supported on windows")
 def test_symlink_file(inwd):
@@ -95,6 +104,15 @@ def test_symlink_file(inwd):
     })
 
 
+@pytest.mark.skipif(sys.platform == 'win32',
+                    reason="symlinks to files not supported on windows")
+def test_symlink_file_source_not_in_scm(inwd):
+    (inwd.cwd / 'adir' / 'file1link').mksymlinkto('../file1')
+    assert set(find_files('adir')) == _sep({
+        'adir/filea',
+    })
+
+
 @pytest.mark.skipif(sys.platform == 'win32',
                     reason="symlinks to dir not supported")
 def test_symlink_loop(inwd):
@@ -106,6 +124,18 @@ def test_symlink_loop(inwd):
     })
 
 
+@pytest.mark.skipif(sys.platform == 'win32',
+                    reason="symlinks to dir not supported")
+def test_symlink_loop_outside_path(inwd):
+    (inwd.cwd / 'bdir' / 'loop').mksymlinkto('../bdir')
+    (inwd.cwd / 'adir' / 'bdirlink').mksymlinkto('../bdir')
+    inwd.add_and_commit()
+    assert set(find_files('adir')) == _sep({
+        'adir/filea',
+        'adir/bdirlink/fileb',
+    })
+
+
 @pytest.mark.skipif(sys.platform == 'win32',
                     reason="symlinks to dir not supported")
 def test_symlink_dir_out_of_git(inwd):