[GitHub] [beam] benWize commented on a change in pull request #16154: [BEAM-12572] Run python examples on multiple runners

[GitBox <gi...@apache.org>]

benWize commented on a change in pull request #16154:
URL: https://github.com/apache/beam/pull/16154#discussion_r789201448



##########
File path: sdks/python/apache_beam/examples/complete/autocomplete_test.py
##########
@@ -71,6 +79,33 @@ def test_autocomplete_it(self):
 
       assert_that(checksum, equal_to([self.KINGLEAR_HASH_SUM]))
 
+  @pytest.mark.examples_postcommit
+  def test_basics(self):
+    EXPECTED_PREFIXES = "t: [(3, 'to'), (2, 'this'), (1, 'that')]\n" \
+                          "th: [(2, 'this'), (1, 'that')]\n" \
+                          "thi: [(2, 'this')]\n" \
+                          "this: [(2, 'this')]\n" \
+                          "tha: [(1, 'that')]\n" \
+                          "that: [(1, 'that')]\n" \
+                          "to: [(3, 'to')]"
+
+    # Setup the files with expected content.
+    temp_folder = tempfile.mkdtemp()
+    self.create_file(
+        os.path.join(temp_folder, 'input.txt'), ' '.join(self.WORDS))
+    autocomplete.run([
+        '--input=%s/input.txt' % temp_folder,
+        '--output',
+        os.path.join(temp_folder, 'result')
+    ],
+                     save_main_session=False)
+
+    # Load result file and compare.
+    with open_shards(os.path.join(temp_folder, 'result-*-of-*')) as result_file:
+      result = result_file.read().strip()
+
+    self.assertEqual(result, EXPECTED_PREFIXES)

Review comment:
       I've tested it several times, and it always produces the same result order




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