add test_exceptions.py

This helps gain coverage over aurweb.exceptions regardless
of their actual use in the testing base.

Signed-off-by: Kevin Morris <kevr@0cost.org>

test/test_exceptions.py

+from aurweb.exceptions import (AlreadyVotedException, AurwebException, BannedException, BrokenUpdateHookException,
+                               InvalidArgumentsException, InvalidCommentException, InvalidPackageBaseException,
+                               InvalidReasonException, InvalidRepositoryNameException, InvalidUserException,
+                               MaintenanceException, NotVotedException, PackageBaseExistsException, PermissionDeniedException)
+
+
+def test_aurweb_exception():
+    try:
+        raise AurwebException("test")
+    except AurwebException as exc:
+        assert str(exc) == "test"
+
+
+def test_maintenance_exception():
+    try:
+        raise MaintenanceException("test")
+    except MaintenanceException as exc:
+        assert str(exc) == "test"
+
+
+def test_banned_exception():
+    try:
+        raise BannedException("test")
+    except BannedException as exc:
+        assert str(exc) == "test"
+
+
+def test_already_voted_exception():
+    try:
+        raise AlreadyVotedException("test")
+    except AlreadyVotedException as exc:
+        assert str(exc) == "already voted for package base: test"
+
+
+def test_broken_update_hook_exception():
+    try:
+        raise BrokenUpdateHookException("test")
+    except BrokenUpdateHookException as exc:
+        assert str(exc) == "broken update hook: test"
+
+
+def test_invalid_arguments_exception():
+    try:
+        raise InvalidArgumentsException("test")
+    except InvalidArgumentsException as exc:
+        assert str(exc) == "test"
+
+
+def test_invalid_packagebase_exception():
+    try:
+        raise InvalidPackageBaseException("test")
+    except InvalidPackageBaseException as exc:
+        assert str(exc) == "package base not found: test"
+
+
+def test_invalid_comment_exception():
+    try:
+        raise InvalidCommentException("test")
+    except InvalidCommentException as exc:
+        assert str(exc) == "comment is too short: test"
+
+
+def test_invalid_reason_exception():
+    try:
+        raise InvalidReasonException("test")
+    except InvalidReasonException as exc:
+        assert str(exc) == "invalid reason: test"
+
+
+def test_invalid_user_exception():
+    try:
+        raise InvalidUserException("test")
+    except InvalidUserException as exc:
+        assert str(exc) == "unknown user: test"
+
+
+def test_not_voted_exception():
+    try:
+        raise NotVotedException("test")
+    except NotVotedException as exc:
+        assert str(exc) == "missing vote for package base: test"
+
+
+def test_packagebase_exists_exception():
+    try:
+        raise PackageBaseExistsException("test")
+    except PackageBaseExistsException as exc:
+        assert str(exc) == "package base already exists: test"
+
+
+def test_permission_denied_exception():
+    try:
+        raise PermissionDeniedException("test")
+    except PermissionDeniedException as exc:
+        assert str(exc) == "permission denied: test"
+
+
+def test_repository_name_exception():
+    try:
+        raise InvalidRepositoryNameException("test")
+    except InvalidRepositoryNameException as exc:
+        assert str(exc) == "invalid repository name: test"