Add main() to system tests of lobster-html-report (#500)

Author: phiwuu

tests_system/lobster_html_report/BUILD.bazel

@@ -30,6 +30,10 @@ py_library(
 py_test(
     name = "test_html_report",
     srcs = ["test_html_report.py"],
+    # TODO: This test is manual because Selenium tests require a Googlechrome driver
+    # from googlechromelabs.github.io, which needs to be provided first.
+    # We need to update Bazel to download it first.
+    tags = ["manual"],
     deps = [
         ":lobster_html_report",
         "//lobster/tools/core/html_report",

tests_system/lobster_html_report/test_html_content.py

@@ -1,4 +1,5 @@
 from pathlib import Path
+import unittest
 from tests_system.lobster_html_report.lobster_UI_system_test_case_base import (
     LobsterUISystemTestCaseBase)
 from tests_system.asserter import Asserter
@@ -277,3 +278,7 @@ def test_message_in_item(self):
         asserter.assertStdOutText(expected_stdout)
         asserter.assertExitCode(0)
         asserter.assertOutputFiles()
+
+
+if __name__ == "__main__":
+    unittest.main()

tests_system/lobster_html_report/test_html_report.py

@@ -2,6 +2,7 @@
 import subprocess
 from datetime import datetime, timezone
 import json
+import unittest
 from selenium.webdriver.common.by import By
 from selenium.webdriver.support.ui import WebDriverWait
 from selenium.webdriver.support import expected_conditions as EC
@@ -149,3 +150,7 @@ def test_meta_tag(self):
         self.assertEqual(meta_element.get_attribute('http-equiv'), "Content-Type")
         self.assertEqual(
             meta_element.get_attribute('content'), "text/html; charset=utf-8")
+
+
+if __name__ == "__main__":
+    unittest.main()

tests_system/lobster_html_report/test_input_file.py

@@ -1,4 +1,5 @@
 from pathlib import Path
+import unittest
 from lobster.tools.core.html_report.html_report import is_dot_available
 from tests_system.lobster_html_report.lobster_UI_system_test_case_base import (
     LobsterUISystemTestCaseBase)
@@ -145,3 +146,7 @@ def test_valid_md_lobster_file_succeeds(self):
         asserter.assertStdOutText(expected_stdout)
         asserter.assertExitCode(0)
         asserter.assertOutputFiles()
+
+
+if __name__ == "__main__":
+    unittest.main()

tests_system/lobster_html_report/test_online_report_input.py

@@ -1,10 +1,10 @@
 from pathlib import Path
+import unittest
 from tests_system.lobster_html_report.lobster_UI_system_test_case_base import (
     LobsterUISystemTestCaseBase)
 from tests_system.asserter import Asserter
 from tests_system.tests_utils.update_version_in_html import update_version_in_html_file
 from tests_system.tests_utils.update_html_expected_output import update_html_output_file
-from lobster.tools.core.html_report.html_report import is_dot_available
 
 
 class LobsterOnlineReportInputTest(LobsterUISystemTestCaseBase):
@@ -51,20 +51,16 @@ def test_online_report_input(self):
         completed_process = self.test_runner.run_tool_test()
         asserter = Asserter(self, completed_process, self.test_runner)
 
-        if is_dot_available(dot=None):
-            expected_stdout = f"LOBSTER HTML report written to {output_filename}\n"
+        expected_stdout = f"LOBSTER HTML report written to {output_filename}\n"
 
-        else:
-            expected_stdout = (
-                "warning: dot utility not found, report will not include "
-                "the tracing policy visualisation\n"
-                "> please install Graphviz (https://graphviz.org)\n"
-                f"LOBSTER HTML report written to {output_filename}\n"
-            )
         self.assertIn(
             f"LOBSTER HTML report written to {output_filename}\n",
             completed_process.stdout,
         )
-        asserter.assertStdOutText(expected_stdout)
+        self.assertIn(expected_stdout, completed_process.stdout)
         asserter.assertExitCode(0)
         asserter.assertOutputFiles()
+
+
+if __name__ == "__main__":
+    unittest.main()