Added performance testing foundation library, reworked existing performance tests to work on larger repositories

Author: Byron

Diff for: test/git/performance/lib.py

@@ -0,0 +1,46 @@
+"""Contains library functions"""
+import os
+from test.testlib import *
+
+from git import (
+	Repo
+	)
+
+#{ Invvariants
+k_env_git_repo = "GIT_PYTHON_TEST_GIT_REPO_BASE"
+#} END invariants
+
+
+#{ Utilities
+def resolve_or_fail(env_var):
+	""":return: resolved environment variable or raise EnvironmentError"""
+	try:
+		return os.environ[env_var]
+	except KeyError:
+		raise EnvironmentError("Please set the %r envrionment variable and retry" % env_var)
+	# END exception handling
+
+#} END utilities
+
+
+#{ Base Classes 
+
+class TestBigRepoReadOnly(TestBase):
+	"""TestCase providing access to readonly 'big' repositories using the following 
+	member variables:
+	
+	* gitrepo
+	
+	 * Read-Only git repository - actually the repo of git itself"""
+	 
+	#{ Invariants
+	head_sha_2k = '235d521da60e4699e5bd59ac658b5b48bd76ddca'
+	head_sha_50 = '32347c375250fd470973a5d76185cac718955fd5'
+	#} END invariants 
+	
+	@classmethod
+	def setUpAll(cls):
+		super(TestBigRepoReadOnly, cls).setUpAll()
+		cls.gitrepo = Repo(resolve_or_fail(k_env_git_repo))
+
+#} END base classes