Add initial unit tests

We now have enough non-network functionality to warrant testing.

Signed-off-by: Stephen Finucane <stephen@that.guru>

Author: stephenfin

.gitignore

@@ -44,7 +44,7 @@ htmlcov/
 .coverage
 .coverage.*
 .cache
-nosetests.xml
+.pytest_cache/
 coverage.xml
 *,cover
 .hypothesis/

git_pw/tests/test_api.py

@@ -0,0 +1,73 @@
+"""Unit tests for ``git_pw/api.py``."""
+
+import mock
+import pytest
+
+from git_pw import api
+
+
+@mock.patch.object(api, 'LOG')
+@mock.patch.object(api, 'CONF')
+def test_get_server_undefined(mock_conf, mock_log):
+    mock_conf.server = None
+
+    with pytest.raises(SystemExit):
+        api._get_server()
+
+    assert mock_log.error.called
+
+
+@mock.patch.object(api, 'LOG')
+@mock.patch.object(api, 'CONF')
+def test_get_server_missing_version(mock_conf, mock_log):
+    mock_conf.server = 'https://example.com/api'
+
+    server = api._get_server()
+
+    assert mock_log.warning.called
+    assert server == 'https://example.com/api'
+
+
+@mock.patch.object(api, 'LOG')
+@mock.patch.object(api, 'CONF')
+def test_get_server_missing_version_and_path(mock_conf, mock_log):
+    mock_conf.server = 'https://example.com/'
+
+    server = api._get_server()
+
+    assert mock_log.warning.called
+    assert server == 'https://example.com/api'
+
+
+@mock.patch.object(api, 'LOG')
+@mock.patch.object(api, 'CONF')
+def test_get_project_undefined(mock_conf, mock_log):
+    mock_conf.project = None
+
+    with pytest.raises(SystemExit):
+        api._get_project()
+
+    assert mock_log.error.called
+
+
+@mock.patch.object(api, 'CONF')
+def test_get_project_wildcard(mock_conf):
+    mock_conf.project = '*'
+
+    project = api._get_project()
+
+    assert project == ''
+
+
+@mock.patch.object(api, '_get_server')
+def test_version_missing(mock_server):
+    mock_server.return_value = 'https://example.com/api'
+
+    assert api.version() == (1, 0)
+
+
+@mock.patch.object(api, '_get_server')
+def test_version(mock_server):
+    mock_server.return_value = 'https://example.com/api/1.1'
+
+    assert api.version() == (1, 1)

test-requirements.txt

@@ -0,0 +1,2 @@
+mock==2.0.0
+pytest==3.6.1

tox.ini

@@ -5,9 +5,13 @@ envlist = pep8,mypy,docs
 [testenv]
 deps =
     -r{toxinidir}/requirements.txt
+    -r{toxinidir}/test-requirements.txt
+commands =
+    pytest -Wall {posargs}
 
 [testenv:pep8]
-deps = flake8
+deps =
+    flake8
 commands =
     flake8 {posargs} git_pw
 
@@ -31,7 +35,7 @@ commands =
 
 [testenv:release]
 deps =
-    {[testenv]deps}
+    -r{toxinidir}/requirements.txt
     twine
 commands =
     python setup.py -q bdist_wheel sdist