1 files changed, 81 insertions, 0 deletions
diff --git a/tests/unittest_reporting.py b/tests/unittest_reporting.py
new file mode 100644
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+++ b/tests/unittest_reporting.py
@@ -0,0 +1,81 @@
+# Copyright (c) 2013-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
+# Copyright (c) 2014-2017 Claudiu Popa <pcmanticore@gmail.com>
+# Copyright (c) 2014 Calin Don <calin.don@gmail.com>
+# Copyright (c) 2014 Google, Inc.
+# Copyright (c) 2014 Arun Persaud <arun@nubati.net>
+# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
+# Copyright (c) 2016-2017 Derek Gustafson <degustaf@gmail.com>
+# Copyright (c) 2018 Sushobhit <31987769+sushobhit27@users.noreply.github.com>
+
+# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
+
+import warnings
+from io import StringIO
+
+import pytest
+
+from pylint import checkers
+from pylint.lint import PyLinter
+from pylint.reporters.text import ParseableTextReporter, TextReporter
+
+
+@pytest.fixture(scope="module")
+def reporter(reporter):
+    return TextReporter
+
+
+@pytest.fixture(scope="module")
+def disable(disable):
+    return ["I"]
+
+
+def test_template_option(linter):
+    output = StringIO()
+    linter.reporter.set_output(output)
+    linter.set_option("msg-template", "{msg_id}:{line:03d}")
+    linter.open()
+    linter.set_current_module("0123")
+    linter.add_message("C0301", line=1, args=(1, 2))
+    linter.add_message("line-too-long", line=2, args=(3, 4))
+    assert (
+        output.getvalue() == "************* Module 0123\n" "C0301:001\n" "C0301:002\n"
+    )
+
+
+def test_parseable_output_deprecated():
+    with warnings.catch_warnings(record=True) as cm:
+        warnings.simplefilter("always")
+        ParseableTextReporter()
+
+    assert len(cm) == 1
+    assert isinstance(cm[0].message, DeprecationWarning)
+
+
+def test_parseable_output_regression():
+    output = StringIO()
+    with warnings.catch_warnings(record=True):
+        linter = PyLinter(reporter=ParseableTextReporter())
+
+    checkers.initialize(linter)
+    linter.config.persistent = 0
+    linter.reporter.set_output(output)
+    linter.set_option("output-format", "parseable")
+    linter.open()
+    linter.set_current_module("0123")
+    linter.add_message("line-too-long", line=1, args=(1, 2))
+    assert (
+        output.getvalue() == "************* Module 0123\n"
+        "0123:1: [C0301(line-too-long), ] "
+        "Line too long (1/2)\n"
+    )
+
+
+def test_display_results_is_renamed():
+    class CustomReporter(TextReporter):
+        def _display(self, layout):
+            return None
+
+    reporter = CustomReporter()
+    with pytest.raises(AttributeError):
+        reporter.display_results