1 files changed, 58 insertions, 0 deletions

diff --git a/matchers.py b/matchers.py
new file mode 100644
index 0000000..e17d651
--- /dev/null
+++ b/matchers.py
@@ -0,0 +1,58 @@
+def equal(expected):
+    def tester(function, *args, **kwargs):
+        actual = function(*args, **kwargs)
+        assert actual == expected, "%r != %r" % (actual, expected)
+
+    return tester
+
+
+def be_none():
+    def tester(function, *args, **kwargs):
+        actual = function(*args, **kwargs)
+        assert actual is None, "%r is not None" % actual
+
+    return tester
+
+
+def be_true():
+    def tester(function, *args, **kwargs):
+        actual = function(*args, **kwargs)
+        assert actual is True, "%r is not True" % actual
+
+    return tester
+
+
+def be_false():
+    def tester(function, *args, **kwargs):
+        actual = function(*args, **kwargs)
+        assert actual is False, "%r is not False" % actual
+
+    return tester
+
+
+def be_a(expected):
+    def tester(function, *args, **kwargs):
+        actual = function(*args, **kwargs)
+        assert isinstance(actual, expected), "%r is not a %r" % (actual, expected)
+
+    return tester
+
+
+def be(expected):
+    def tester(function, *args, **kwargs):
+        actual = function(*args, **kwargs)
+        assert actual is expected, "%r is not %r" % (actual, expected)
+
+    return tester
+
+
+def raise_exception(expected):
+    def tester(function, *args, **kwargs):
+        try:
+            function(*args, **kwargs)
+        except expected:
+            pass
+        else:
+            raise AssertionError("%s not raised" % expected)
+
+    return tester