Extent unit tests

OOMAnalyser.html

@@ -816,6 +816,7 @@ function read_and_display_file(file) {
     <h4>General</h4>
     <ol>
         <li>Improve SVG chart colour palette</li>
+        <li>Add Selenium based unit tests</li>
         <li>...</li>
     </ol>
 

OOMAnalyser.py

@@ -14,7 +14,34 @@ VERSION = "0.5.0 (devel)"
 """Version number"""
 
 # __pragma__ ('skip')
-js_undefined = 0  # Prevent complaints by optional static checker
+# MOC objects to satisfy statical checker and imports in unit tests
+js_undefined = 0
+class classList():
+
+    def add(self, *args, **kwargs):
+        pass
+
+    def remove(self, *args, **kwargs):
+        pass
+
+
+class document():
+
+    def querySelectorAll(self, *args, **kwargs):
+        return [element()]
+
+    def getElementById(self, *arg, **kwargs):
+        return element()
+
+
+class element():
+
+    firstChild = []
+    classList = classList()
+    offsetWidth = 0
+
+    def removeChild(self, *args, **kwargs):
+        return
 # __pragma__ ('noskip')
 
 

test.py

@@ -23,7 +23,10 @@ import socketserver
 import threading
 import unittest
 from selenium import webdriver
+from selenium.common.exceptions import *
+import warnings
 
+import OOMAnalyser
 
 class MyRequestHandler(http.server.SimpleHTTPRequestHandler):
 
@@ -41,29 +44,91 @@ class ThreadedTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
     pass
 
 
-class TestHTTPOOMAnalyser(unittest.TestCase):
-    """Test OOM web page"""
+class TestBase(unittest.TestCase):
+
+    def get_lines(self, text, count):
+        """
+        Return the number of lines specified by count from given text
+        @type text: str
+        @type count: int
+        """
+        lines = text.splitlines()[:count]
+        res = '\n'.join(lines)
+        return res
+
+    def get_first_line(self, text):
+        """
+        Return the first line of the given text
+        @type text: str
+        """
+        return self.get_lines(text, 1)
+
+    def get_last_line(self, text):
+        """
+        Return the last line of the given text
+        @type text: str
+        """
+        return self.get_lines(text, -1)
+
+class TestInBrowser(TestBase):
+    """Test OOM web page in a browser"""
+
+    def setUp(self):
+        warnings.simplefilter("ignore", ResourceWarning)
 
-    @classmethod
-    def setUpClass(cls):
         ThreadedTCPServer.allow_reuse_address = True
-        cls.httpd = ThreadedTCPServer(('127.0.0.1', 8000), MyRequestHandler)
-        # cls.httpd.allow_reuse_address = True
-        server_thread = threading.Thread(target=cls.httpd.serve_forever, args=(0.1,))
+        self.httpd = ThreadedTCPServer(('127.0.0.1', 8000), MyRequestHandler)
+        server_thread = threading.Thread(target=self.httpd.serve_forever, args=(0.1,))
         server_thread.daemon = True
         server_thread.start()
 
-    @classmethod
-    def tearDownClass(cls):
-        cls.httpd.shutdown()
-        cls.httpd.server_close()
-
-    def setUp(self):
         self.driver = webdriver.Chrome()
         self.driver.get("http://127.0.0.1:8000/OOMAnalyser.html")
 
     def tearDown(self):
         self.driver.close()
+        self.httpd.shutdown()
+        self.httpd.server_close()
+
+    def assert_on_warn(self):
+        notify_box = self.driver.find_element_by_id('notify_box')
+        with self.assertRaises(NoSuchElementException):
+            notify_box.find_element_by_class_name('js-notify_box__msg--warning')
+
+    def assert_on_error(self):
+        notify_box = self.driver.find_element_by_id('notify_box')
+        with self.assertRaises(NoSuchElementException):
+            notify_box.find_element_by_class_name('js-notify_box__msg--error')
+
+    def click_analyse(self):
+        analyse = self.driver.find_element_by_xpath('//button[text()="Analyse"]')
+        analyse.click()
+
+    def click_reset(self):
+        reset = self.driver.find_element_by_xpath('//button[text()="Reset"]')
+        reset.click()
+        self.assert_on_warn_error()
+
+    def analyse_oom(self, text):
+        """
+        Insert text and run analysis
+
+        :param str text: OOM text to analyse
+        """
+        textarea = self.driver.find_element_by_id('textarea_oom')
+        self.assertEqual(textarea.get_attribute('value'), '', 'Empty textarea expected')
+        textarea.send_keys(text)
+
+        self.assertNotEqual(textarea.get_attribute('value'), '', 'Missing OOM text in textarea')
+
+        h3_summary = self.driver.find_element_by_xpath('//h3[text()="Summary"]')
+        self.assertFalse(h3_summary.is_displayed(), "Analysis details incl. <h3>Summary</h3> should be not displayed")
+
+        self.click_analyse()
+
+    def assert_on_warn_error(self):
+        self.assert_on_warn()
+        self.assert_on_error()
 
     def test_001_load_page(self):
         """Test if the page is loading"""
@@ -85,9 +150,9 @@ class TestHTTPOOMAnalyser(unittest.TestCase):
         h3_summary = self.driver.find_element_by_xpath('//h3[text()="Summary"]')
         self.assertFalse(h3_summary.is_displayed(), "Analysis details incl. <h3>Summary</h3> should be not displayed")
 
-        analyse = self.driver.find_element_by_xpath('//button[text()="Analyse"]')
-        analyse.click()
+        self.click_analyse()
 
+        self.assert_on_warn_error()
         self.assertTrue(h3_summary.is_displayed(), "Analysis details incl. <h3>Summary</h3> should be displayed")
 
         trigger_proc_name = self.driver.find_element_by_class_name('trigger_proc_name')
@@ -98,6 +163,71 @@ class TestHTTPOOMAnalyser(unittest.TestCase):
         killed_proc_score = self.driver.find_element_by_class_name('killed_proc_score')
         self.assertEqual(killed_proc_score.text, '651', 'Unexpected OOM score of killed process')
 
+    def test_004_begin_but_no_end(self):
+        """Test incomplete OOM text - just the beginning"""
+        example = """\
+sed invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
+sed cpuset=/ mems_allowed=0-1
+        """
+        self.analyse_oom(example)
+
+        notify_box = self.driver.find_element_by_id('notify_box')
+        notify_box.find_element_by_class_name('js-notify_box__msg--warning')
+        self.assertTrue(notify_box.text.startswith("WARNING: The inserted OOM is incomplete!"))
+
+        self.click_reset()
+
+    def test_005_no_begin_but_end(self):
+        """Test incomplete OOM text - just the end"""
+        example = """\
+Out of memory: Kill process 6576 (java) score 651 or sacrifice child
+Killed process 6576 (java) total-vm:33914892kB, anon-rss:20629004kB, file-rss:0kB, shmem-rss:0kB
+        """
+        self.analyse_oom(example)
+
+        notify_box = self.driver.find_element_by_id('notify_box')
+        notify_box.find_element_by_class_name('js-notify_box__msg--error')
+        self.assertTrue(notify_box.text.startswith("ERROR: The inserted text is not a valid OOM block!"))
+
+        self.click_reset()
+
+    def test_006_trigger_proc_space(self):
+        """Test trigger process name contains a space"""
+        pass
+
+    def test_007_kill_proc_space(self):
+        """Test killed process name contains a space"""
+        pass
+
+
+class TestPython(TestBase):
+
+    def test_001_trigger_proc_space(self):
+        """Test RE to find name of trigger process"""
+        first = self.get_first_line(OOMAnalyser.OOMDisplay.example)
+        rec = OOMAnalyser.OOMAnalyser.REC_INVOKED_OOMKILLER
+        match = rec.search(first)
+        self.assertTrue(match, 'Error: re.search(REC_INVOKED_OOMKILLER) failed for simple '
+                               'process name')
+
+        first = first.replace('sed', 'VM Monitoring Task')
+        match = rec.search(first)
+        self.assertTrue(match, 'Error: re.search(REC_INVOKED_OOMKILLER) failed for process name '
+                               'with space')
+
+    def test_002_killed_proc_space(self):
+        """Test RE to find name of killed process"""
+        last = self.get_last_line(OOMAnalyser.OOMDisplay.example)
+        rec = OOMAnalyser.OOMAnalyser.REC_OOM_KILL_PROCESS
+        match = rec.search(last)
+        self.assertTrue(match, 'Error: re.search(REC_OOM_KILL_PROCESS) failed for simple '
+                               'process name')
+
+        last = last.replace('sed', 'VM Monitoring Task')
+        match = rec.search(last)
+        self.assertTrue(match, 'Error: re.search(REC_OOM_KILL_PROCESS) failed for process name '
+                               'with space')
+
 
 if __name__ == "__main__":
     # import logging, sys