add requirements unit test

awx/main/tests/unit/test_python_requirements.py

@@ -0,0 +1,48 @@
+from pip.operations import freeze
+from django.conf import settings
+
+def test_req():
+    def check_is_in(src, dests):
+        if src not in dests:
+            src2 = [src[0].replace('_', '-'), src[1]]
+            if src2 not in dests:
+                print("%s not in" % src2) 
+                return False
+            else:
+                print("%s not in" % src)
+                return False
+        return True
+
+    base_dir = settings.BASE_DIR
+
+    reqs_actual = []
+    xs = freeze.freeze(local_only=True, requirement=base_dir + "/../requirements/requirements.txt")
+    for x in xs:
+        if '## The following requirements were added by pip freeze' in x:
+            break
+        reqs_actual.append(x.split('=='))
+
+    reqs_expected = []
+    with open(base_dir + "/../requirements/requirements.txt") as f:
+        for line in f:
+            line.rstrip()
+            # TODO: process git requiremenst and use egg
+            if line.strip().startswith('#') or line.strip().startswith('git'):
+                continue
+            if line.startswith('-e'):
+                continue
+            line.rstrip()
+            reqs_expected.append(line.rstrip().split('=='))
+    
+    for r in reqs_actual:
+        print(r)
+
+    not_found = []
+    for r in reqs_expected:
+        res = check_is_in(r, reqs_actual)
+        if res is False:
+            not_found.append(r)
+
+    raise RuntimeError("%s not found in \n\n%s" % (not_found, reqs_expected))
+
+