Add tests for functions in api/projects

tests/pylorax/test_projects.py

@@ -15,15 +15,18 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 import os
+import mock
 import time
 import shutil
 import tempfile
 import unittest
 
+from yum.Errors import YumBaseError
+
 from pylorax.api.config import configure, make_yum_dirs
 from pylorax.api.projects import api_time, api_changelog, yaps_to_project, yaps_to_project_info
 from pylorax.api.projects import tm_to_dep, yaps_to_module, projects_list, projects_info, projects_depsolve
-from pylorax.api.projects import modules_list, modules_info, ProjectsError, dep_evra
+from pylorax.api.projects import modules_list, modules_info, ProjectsError, dep_evra, dep_nevra, ProjectsError
 from pylorax.api.yumbase import get_base_object
 
 
@@ -71,7 +74,13 @@ class ProjectsTest(unittest.TestCase):
         self.assertEqual(api_time(499222800), "1985-10-27T01:00:00")
 
     def test_api_changelog(self):
-        self.assertEqual(api_changelog([[0,1,"Heavy!"]]), "Heavy!")
+        self.assertEqual(api_changelog([[0,1,"Heavy!"], [0, 1, "Light!"]]), "Heavy!")
+
+    def test_api_changelog_empty_list(self):
+        self.assertEqual(api_changelog([]), '')
+
+    def test_api_changelog_missing_text_entry(self):
+        self.assertEqual(api_changelog([('now', 'atodorov')]), '')
 
     def test_yaps_to_project(self):
         result = {"name":"name",
@@ -132,16 +141,42 @@ class ProjectsTest(unittest.TestCase):
                "version": "10.0"}
         self.assertEqual(dep_evra(dep), "10.0-7.el7.noarch")
 
+    def test_dep_evra_with_epoch_not_zero(self):
+        dep = {"arch": "x86_64",
+               "epoch": "2",
+               "name": "tog-pegasus-libs",
+               "release": "3.el7",
+               "version": "2.14.1"}
+        self.assertEqual(dep_evra(dep), "2:2.14.1-3.el7.x86_64")
+
+    def test_dep_nevra(self):
+        dep = {"arch": "noarch",
+               "epoch": "0",
+               "name": "basesystem",
+               "release": "7.el7",
+               "version": "10.0"}
+        self.assertEqual(dep_nevra(dep), "basesystem-10.0-7.el7.noarch")
+
     def test_projects_list(self):
         projects = projects_list(self.yb)
         self.assertEqual(len(projects) > 10, True)
 
+    def test_projects_list_yum_raises_exception(self):
+        with self.assertRaises(ProjectsError):
+            with mock.patch.object(self.yb, 'doPackageLists', side_effect=YumBaseError('TESTING')):
+                projects_list(self.yb)
+
     def test_projects_info(self):
         projects = projects_info(self.yb, ["bash"])
 
         self.assertEqual(projects[0]["name"], "bash")
         self.assertEqual(projects[0]["builds"][0]["source"]["license"], "GPLv3+")
 
+    def test_projects_info_yum_raises_exception(self):
+        with self.assertRaises(ProjectsError):
+            with mock.patch.object(self.yb, 'doPackageLists', side_effect=YumBaseError('TESTING')):
+                projects_info(self.yb, ["bash"])
+
     def test_projects_depsolve(self):
         deps = projects_depsolve(self.yb, ["bash"])
 
@@ -160,6 +195,11 @@ class ProjectsTest(unittest.TestCase):
         modules = modules_list(self.yb, ["g*"])
         self.assertEqual(modules[0]["name"].startswith("g"), True)
 
+    def test_modules_list_yum_raises_exception(self):
+        with self.assertRaises(ProjectsError):
+            with mock.patch.object(self.yb, 'doPackageLists', side_effect=YumBaseError('TESTING')):
+                modules_list(self.yb, None)
+
     def test_modules_info(self):
         modules = modules_info(self.yb, ["bash"])
 
@@ -167,6 +207,11 @@ class ProjectsTest(unittest.TestCase):
         self.assertEqual(modules[0]["name"], "bash")
         self.assertEqual(modules[0]["dependencies"][0]["name"], "basesystem")
 
+    def test_modules_info_yum_raises_exception(self):
+        with self.assertRaises(ProjectsError):
+            with mock.patch.object(self.yb, 'doPackageLists', side_effect=YumBaseError('TESTING')):
+                modules_info(self.yb, ["bash"])
+
 
 class ConfigureTest(unittest.TestCase):
     @classmethod