Add test module for build ordering

1 files changed, 71 insertions, 0 deletions

diff --git a/simplejenkinsapi/order_tests.py b/simplejenkinsapi/order_tests.py
new file mode 100644
index 0000000..7fef992
--- /dev/null
+++ b/simplejenkinsapi/order_tests.py
@@ -0,0 +1,71 @@
+# simplejenkinsapi/order_tests.py -- unit tests for build ordering
+#
+# Copyright 2012  Lars Wirzenius
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import unittest
+
+from simplejenkinsapi import order
+
+
+def _names(projects):
+    return [p['name'] for p in projects]
+    
+    
+class OrderTests(unittest.TestCase):
+
+    def setUp(self):
+        self.A = { 'name': 'A', 'build-depends': [] }
+        self.B = { 'name': 'B', 'build-depends': [] }
+        self.C = { 'name': 'C', 'build-depends': [] }
+        self.D = { 'name': 'D', 'build-depends': [] }
+
+    def test_returns_empty_list_for_empty_list(self):
+        self.assertEqual(order([]), [])
+
+    def test_returns_identical_list_for_one_project(self):
+        ps = [self.A]
+        self.assertEqual(order(ps), ps)
+
+    def test_returns_correct_list_for_two_independent_projects(self):
+        ps = [self.A, self.B]
+        self.assertEqual(order(ps), ps)
+
+    def test_returns_correct_list_for_two_dependent_projects(self):
+        self.A['build-depends'] = ['B']
+        ps = [self.A, self.B]
+        new = order(ps)
+        self.assertEqual(_names(new), _names([self.B, self.A]))
+
+    def test_returns_correct_list_for_three_with_linear_deps(self):
+        self.B['build-depends'] = ['A']
+        self.C['build-depends'] = ['A']
+        ps = [self.A, self.B, self.C]
+        self.assertEqual(_names(order(ps)), _names(ps))
+
+    def test_returns_correct_list_for_three_with_nonlinear_deps(self):
+        self.A['build-depends'] = ['B', 'C']
+        ps = [self.A, self.B, self.C]
+        self.assertEqual(_names(order(ps)), _names([self.B, self.C, self.A]))
+
+    def test_returns_correct_list_for_diamond(self):
+        self.A['build-depends'] = ['B', 'C']
+        self.B['build-depends'] = ['D']
+        self.C['build-depends'] = ['D']
+        ps = [self.A, self.B, self.C, self.D]
+        self.assertEqual(_names(order(ps)), 
+                         _names([self.D, self.B, self.C, self.A]))
+