add test

Author: utgwkk

plugin_test.py

@@ -0,0 +1,33 @@
+pytest_plugins = 'pytester'
+import pytest
+
+def test_annotation_fail(testdir):
+    testdir.makepyfile(
+        '''
+        import pytest
+        pytest_plugins = 'pytest_github_actions_annotate_failures'
+
+        def test_fail():
+            assert 0
+        '''
+    )
+    result = testdir.runpytest()
+    result.stdout.fnmatch_lines([
+        '::error file=test_annotation_fail.py,line=4::def test_fail():%0A*',
+    ])
+
+def test_annotation_exception(testdir):
+    testdir.makepyfile(
+        '''
+        import pytest
+        pytest_plugins = 'pytest_github_actions_annotate_failures'
+
+        def test_fail():
+            raise Exception('oops')
+            assert 1
+        '''
+    )
+    result = testdir.runpytest()
+    result.stdout.fnmatch_lines([
+        '::error file=test_annotation_exception.py,line=4::def test_fail():%0A*',
+    ])