def test_granularity_analysis(self):
""" Whitebox testing for granularity analysis. """
# File Granularity
repository = Repository(self.repository.commits[-3:],
self.repository.begin_ts,
self.repository.commits[-1].timestamp)
analysis = SchwaAnalysis(repository)
analytics = analysis.analyze()
self.assertTrue("GUI.java" in analytics.files_analytics,
msg="It should deal with non added files")
repository = Repository(
self.repository.commits[:-1], self.repository.begin_ts,
self.repository.commits[:-1][-1].timestamp) # Except last commit
analysis = SchwaAnalysis(repository)
analytics = analysis.analyze()
self.assertTrue("LinuxCLI.java" in analytics.files_analytics,
msg="It should deal with renamed files")
self.assertEqual(analytics.files_analytics["LinuxCLI.java"].revisions,
2,
msg="It should deal with renamed files")
analytics = self.analysis.analyze()
self.assertTrue("LinuxCLI.java" not in analytics.files_analytics,
msg="It should deal with removed files")
self.assertEqual(len(analytics.files_analytics["GUI.java"].authors), 3)
self.assertEqual(analytics.files_analytics["GUI.java"].fixes, 1)
self.assertEqual(analytics.files_analytics["GUI.java"].revisions, 4)
# Class granularity
self.assertTrue(
"GUIWindows"
not in analytics.files_analytics["GUI.java"].classes_analytics,
msg="It should recognize removed classes")
# Method granularity
self.assertTrue("recover" not in analytics.files_analytics["GUI.java"].
classes_analytics["GUI"].methods_analytics,
msg="It should recognize removed methods")
def analyze(self, ignore_regex="^$", max_commits=None, method_granularity=True, parallel=True):
""" Analyze commits.
Extracts commits and call an analyzer to output analytics.
Args:
ignore_regex: An optional string that is a regex pattern to ignore unnecessary files.
max_commits: An optional int that is the maximum number of commits to extract since the last one.
method_granularity: An optional boolean that enables extraction until the method granularity.
Returns:
A RepositoryAnalytics instance.
"""
configs = self.get_yaml_configs()
max_commits = self.configure_yaml(configs, max_commits)
extractor = GitExtractor(self.repo_path)
repo = extractor.extract(ignore_regex, max_commits, method_granularity, parallel)
analysis = SchwaAnalysis(repo)
analytics = analysis.analyze()
return analytics
class TestSchwaAnalysis(unittest.TestCase):
def setUp(self):
""" Creates a repository for testing. """
current_ts = time.time()
commits = []
""" First Commit """
_id = "7g37ghegewwuygwe8g"
message = "First commit"
author = "*****@*****.**"
timestamp = current_ts - datetime.timedelta(days=14).total_seconds()
diffs = []
diffs.append(DiffFile(file_b="API.java", added=True))
diffs.append(DiffClass(file_name="API.java", class_b="API",
added=True))
diffs.append(
DiffMethod(file_name="API.java",
class_name="API",
method_b="login",
added=True))
diffs.append(
DiffMethod(file_name="API.java",
class_name="API",
method_b="register",
added=True))
diffs.append(
DiffMethod(file_name="API.java",
class_name="API",
method_b="getShows",
added=True))
diffs.append(DiffFile(file_b="Core.java", added=True))
diffs.append(
DiffClass(file_name="Core.java", class_b="Core", added=True))
diffs.append(
DiffMethod(file_name="Core.java",
class_name="Core",
method_b="auth",
added=True))
diffs.append(DiffFile(file_b="Database.java", added=True))
diffs.append(
DiffClass(file_name="Database.java",
class_b="Database",
added=True))
diffs.append(
DiffMethod(file_name="Database.java",
class_name="Database",
method_b="query",
added=True))
diffs.append(DiffFile(file_b="GUI.java", added=True))
diffs.append(DiffClass(file_name="GUI.java", class_b="GUI",
added=True))
diffs.append(
DiffMethod(file_name="GUI.java",
class_name="GUI",
method_b="login",
added=True))
diffs.append(DiffFile(file_b="CLI.java", added=True))
diffs.append(DiffClass(file_name="CLI.java", class_b="CLI",
added=True))
diffs.append(
DiffMethod(file_name="CLI.java",
class_name="CLI",
method_b="login",
added=True))
commits.append(Commit(_id, message, author, timestamp, diffs))
""" Second Commit """
_id = "j398ygfg98h3"
message = "Second commit"
author = "*****@*****.**"
timestamp = current_ts - datetime.timedelta(days=12).total_seconds()
diffs = []
diffs.append(
DiffFile(file_a="API.java", file_b="API.java", modified=True))
diffs.append(
DiffClass(file_name="API.java",
class_a="API",
class_b="API",
modified=True))
diffs.append(
DiffMethod(file_name="API.java",
class_name="API",
method_a="register",
method_b="register",
modified=True))
commits.append(Commit(_id, message, author, timestamp, diffs))
""" Third Commit """
_id = "3433g45g56"
message = "Third commit"
author = "*****@*****.**"
timestamp = current_ts - datetime.timedelta(days=10).total_seconds()
diffs = []
diffs.append(
DiffFile(file_a="API.java", file_b="API.java", modified=True))
diffs.append(
DiffClass(file_name="API.java",
class_a="API",
class_b="API",
modified=True))
diffs.append(
DiffMethod(file_name="API.java",
class_name="API",
method_a="login",
method_b="register",
modified=True))
commits.append(Commit(_id, message, author, timestamp, diffs))
""" Forth Commit """
_id = "433343gg"
message = "Forth commit with a bug fix"
author = "*****@*****.**"
timestamp = current_ts - datetime.timedelta(days=5).total_seconds()
diffs = []
diffs.append(
DiffFile(file_a="Database.java",
file_b="Database.java",
modified=True))
diffs.append(
DiffClass(file_name="Database.java",
class_a="Database",
class_b="Database",
modified=True))
diffs.append(
DiffMethod(file_name="Database.java",
class_name="Database",
method_a="query",
method_b="query",
modified=True))
diffs.append(
DiffFile(file_a="GUI.java", file_b="GUI.java", modified=True))
diffs.append(
DiffClass(file_name="GUI.java",
class_a="GUI",
class_b="GUI",
modified=True))
diffs.append(
DiffMethod(file_name="GUI.java",
class_name="GUI",
method_a="login",
method_b="login",
modified=True))
commits.append(Commit(_id, message, author, timestamp, diffs))
""" Fifth Commit """
_id = "jf74g87fg87"
message = "Fifth commit"
author = "*****@*****.**"
timestamp = current_ts - datetime.timedelta(days=2).total_seconds()
diffs = []
diffs.append(
DiffFile(file_a="GUI.java", file_b="GUI.java", modified=True))
diffs.append(
DiffClass(file_name="GUI.java",
class_a="GUI",
class_b="GUI",
modified=True))
diffs.append(
DiffClass(file_name="GUI.java", class_b="GUIWindows", added=True))
diffs.append(
DiffMethod(file_name="GUI.java",
class_name="GUI",
method_a="login",
method_b="login",
modified=True))
diffs.append(
DiffMethod(file_name="GUI.java",
class_name="GUI",
method_b="recover",
added=True))
commits.append(Commit(_id, message, author, timestamp, diffs))
""" Sixth Commit """
_id = "sdf355dfd"
message = "Sixth Commit"
author = "*****@*****.**"
timestamp = current_ts - datetime.timedelta(days=2).total_seconds()
diffs = []
diffs.append(
DiffFile(file_a="CLI.java", file_b="LinuxCLI.java", renamed=True))
diffs.append(
DiffClass(file_name="LinuxCLI.java",
class_a="CLI",
class_b="LinuxCLI",
renamed=True))
diffs.append(
DiffMethod(file_name="LinuxCLI.java",
class_name="LinuxCLI",
method_a="login",
method_b="LinuxLogin",
renamed=True))
commits.append(Commit(_id, message, author, timestamp, diffs))
""" Seventh Commit """
_id = "sdf4445dfd"
message = "Seventh Commit"
author = "*****@*****.**"
timestamp = current_ts - datetime.timedelta(days=1).total_seconds()
diffs = []
diffs.append(DiffFile(file_a="LinuxCLI.java", removed=True))
diffs.append(
DiffClass(file_name="LinuxCLI.java",
class_a="LinuxCLI",
removed=True))
diffs.append(
DiffMethod(file_name="LinuxCLI.java",
class_name="LinuxCLI",
method_a="LinuxLogin",
removed=True))
diffs.append(
DiffFile(file_a="GUI.java", file_b="GUI.java", modified=True))
diffs.append(
DiffClass(file_name="GUI.java", class_a="GUIWindows",
removed=True))
diffs.append(
DiffMethod(file_name="GUI.java",
class_name="GUI",
method_a="recover",
removed=True))
commits.append(Commit(_id, message, author, timestamp, diffs))
""" Create repository """
self.repository = Repository(commits, current_ts, timestamp)
self.analysis = SchwaAnalysis(self.repository)
def test_revisions_importance(self):
analytics = self.analysis.analyze()
self.assertTrue(analytics.files_analytics["API.java"].defect_prob >
analytics.files_analytics["Core.java"].defect_prob,
msg="It should give importance to revisions")
def test_fixes_importance(self):
analytics = self.analysis.analyze()
self.assertTrue(analytics.files_analytics["Database.java"].defect_prob
> analytics.files_analytics["API.java"].defect_prob,
msg="It should give importance to fixes")
def test_authors_importance(self):
analytics = self.analysis.analyze()
self.assertTrue(analytics.files_analytics["GUI.java"].defect_prob >
analytics.files_analytics["Database.java"].defect_prob,
msg="It should give importance to authors")
def test_granularity_analysis(self):
""" Whitebox testing for granularity analysis. """
# File Granularity
repository = Repository(self.repository.commits[-3:],
self.repository.begin_ts,
self.repository.commits[-1].timestamp)
analysis = SchwaAnalysis(repository)
analytics = analysis.analyze()
self.assertTrue("GUI.java" in analytics.files_analytics,
msg="It should deal with non added files")
repository = Repository(
self.repository.commits[:-1], self.repository.begin_ts,
self.repository.commits[:-1][-1].timestamp) # Except last commit
analysis = SchwaAnalysis(repository)
analytics = analysis.analyze()
self.assertTrue("LinuxCLI.java" in analytics.files_analytics,
msg="It should deal with renamed files")
self.assertEqual(analytics.files_analytics["LinuxCLI.java"].revisions,
2,
msg="It should deal with renamed files")
analytics = self.analysis.analyze()
self.assertTrue("LinuxCLI.java" not in analytics.files_analytics,
msg="It should deal with removed files")
self.assertEqual(len(analytics.files_analytics["GUI.java"].authors), 3)
self.assertEqual(analytics.files_analytics["GUI.java"].fixes, 1)
self.assertEqual(analytics.files_analytics["GUI.java"].revisions, 4)
# Class granularity
self.assertTrue(
"GUIWindows"
not in analytics.files_analytics["GUI.java"].classes_analytics,
msg="It should recognize removed classes")
# Method granularity
self.assertTrue("recover" not in analytics.files_analytics["GUI.java"].
classes_analytics["GUI"].methods_analytics,
msg="It should recognize removed methods")