1 files changed, 67 insertions, 0 deletions
diff --git a/python/mozlint/test/conftest.py b/python/mozlint/test/conftest.py
new file mode 100644
index 0000000000..00d9f12d8b
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+++ b/python/mozlint/test/conftest.py
@@ -0,0 +1,67 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import sys
+from argparse import Namespace
+
+import pytest
+
+from mozlint import LintRoller
+
+
+here = os.path.abspath(os.path.dirname(__file__))
+
+
+@pytest.fixture
+def lint(request):
+    lintargs = getattr(request.module, "lintargs", {})
+    lint = LintRoller(root=here, **lintargs)
+
+    # Add a few super powers to our lint instance
+    def mock_vcs(files):
+        def _fake_vcs_files(*args, **kwargs):
+            return files
+
+        setattr(lint.vcs, "get_changed_files", _fake_vcs_files)
+        setattr(lint.vcs, "get_outgoing_files", _fake_vcs_files)
+
+    setattr(lint, "vcs", Namespace())
+    setattr(lint, "mock_vcs", mock_vcs)
+    return lint
+
+
+@pytest.fixture(scope="session")
+def filedir():
+    return os.path.join(here, "files")
+
+
+@pytest.fixture(scope="module")
+def files(filedir, request):
+    suffix_filter = getattr(request.module, "files", [""])
+    return [
+        os.path.join(filedir, p)
+        for p in os.listdir(filedir)
+        if any(p.endswith(suffix) for suffix in suffix_filter)
+    ]
+
+
+@pytest.fixture(scope="session")
+def lintdir():
+    lintdir = os.path.join(here, "linters")
+    sys.path.insert(0, lintdir)
+    return lintdir
+
+
+@pytest.fixture(scope="module")
+def linters(lintdir):
+    def inner(*names):
+        return [
+            os.path.join(lintdir, p)
+            for p in os.listdir(lintdir)
+            if any(os.path.splitext(p)[0] == name for name in names)
+            if os.path.splitext(p)[1] == ".yml"
+        ]
+
+    return inner