Add tests for BlockParser

1 files changed, 73 insertions, 0 deletions

diff --git a/yarnlib/block_parser_tests.py b/yarnlib/block_parser_tests.py
new file mode 100644
index 0000000..1c14a80
--- /dev/null
+++ b/yarnlib/block_parser_tests.py
@@ -0,0 +1,73 @@
+# Copyright 2013  Lars Wirzenius
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# =*= License: GPL-3+ =*=
+
+
+import unittest
+
+import yarnlib
+
+
+class BlockParserTests(unittest.TestCase):
+
+    def setUp(self):
+        self.parser = yarnlib.BlockParser()
+
+    def test_is_initially_empty(self):
+        self.assertEqual(self.parser.stories, [])
+        self.assertEqual(self.parser.implementations, [])
+
+    def test_parses_simple_elements(self):
+        self.parser.parse_blocks(
+            ['STORY foo', 'GIVEN bar', 'WHEN foobar\nTHEN yoyo'])
+
+        self.assertEqual(len(self.parser.stories), 1)
+        self.assertEqual(len(self.parser.implementations), 0)
+
+        story = self.parser.stories[0]
+        self.assertEqual(story.name, 'foo')
+        self.assertEqual(len(story.steps), 3)
+        self.assertEqual(story.steps[0].what, 'GIVEN')
+        self.assertEqual(story.steps[0].text, 'bar')
+        self.assertEqual(story.steps[0].what, 'WHEN')
+        self.assertEqual(story.steps[0].text, 'foobar')
+        self.assertEqual(story.steps[0].what, 'THEN')
+        self.assertEqual(story.steps[0].text, 'yoyo')
+
+    def test_normalises_whitespace(self):
+        self.parser.parse_code_blocks(['STORY   foo   bar   '])
+        self.assertEqual(self.parser.stories[0].name, 'foo bar')
+
+    def test_parses_implements_in_a_block_by_itself(self):
+        self.parser.parse_code_blocks(['IMPLEMENTS GIVEN foo\ntrue'])
+        impls = self.parser.implementations
+        self.assertEqual(len(impls), 1)
+        self.assertEqual(impls[0].what, 'GIVEN')
+        self.assertEqual(impls[0].regexp, 'foo')
+        self.assertEqual(impls[0].shell, 'true')
+
+    def test_parses_two_implements_in_a_code_block(self):
+        self.parser.parse_code_blocks(
+            ['IMPLEMENTS GIVEN foo\ntrue\nIMPLEMENTS WHEN bar\ncat /dev/null'])
+        impls = self.parser.implementations
+        self.assertEqual(len(impls), 2)
+        self.assertEqual(impls[0].what, 'GIVEN')
+        self.assertEqual(impls[0].regexp, 'foo')
+        self.assertEqual(impls[0].shell, 'true')
+        self.assertEqual(impls[1].what, 'WHEN')
+        self.assertEqual(impls[1].regexp, 'bar')
+        self.assertEqual(impls[1].shell, 'cat /dev/null')
+