Add tests

.travis.yml

@@ -5,11 +5,12 @@ cache: pip
 install:
   - set -e
   - pip install --upgrade pip
-  - pip install pyflakes .
+  - pip install pyflakes pytest .
 script:
   - chartpress --version
   - chartpress --help
   - pyflakes .
+  - pytest -v ./tests
 
   # This is a workaround to an issue caused by the existence of a docker
   # registrymirror in our CI environment. Without this fix that removes the

README.md

@@ -157,3 +157,19 @@ in your `.travis.yml`:
 git:
   depth: false
 ```
+
+## Development
+
+Testing of this python package can be done using [`pyflakes`](https://github.com/PyCQA/pyflakes) and [`pytest`](https://github.com/pytest-dev/pytest). There is also some additional testing that is only run as part of TravisCI, as declared in [`.travis.yml`](.travis.yml).
+
+```
+# install chartpress locally
+pip install  -e .
+
+# install dev dependencies
+pip install pyflakes pytest
+
+# run tests
+pyflakes .
+pytest -v
+```

tests/test_regexp.py

@@ -0,0 +1,14 @@
+from chartpress import _strip_identifiers_build_suffix
+from chartpress import _get_identifier
+
+def test__strip_identifiers_build_suffix():
+    assert _strip_identifiers_build_suffix(identifier="0.1.2-005.asdf1234") == "0.1.2"
+    assert _strip_identifiers_build_suffix(identifier="0.1.2-alpha.1.005.asdf1234") == "0.1.2-alpha.1"
+
+def test__get_identifier():
+    assert _get_identifier(tag="0.1.2",         n_commits="0", commit="asdf123",  long=True)  == "0.1.2-000.asdf123"
+    assert _get_identifier(tag="0.1.2",         n_commits="0", commit="asdf123",  long=False) == "0.1.2"
+    assert _get_identifier(tag="0.1.2",         n_commits="5", commit="asdf123",  long=False) == "0.1.2-005.asdf123"
+    assert _get_identifier(tag="0.1.2-alpha.1", n_commits="0", commit="asdf1234", long=True)  == "0.1.2-alpha.1.000.asdf1234"
+    assert _get_identifier(tag="0.1.2-alpha.1", n_commits="0", commit="asdf1234", long=False) == "0.1.2-alpha.1"
+    assert _get_identifier(tag="0.1.2-alpha.1", n_commits="5", commit="asdf1234", long=False) == "0.1.2-alpha.1.005.asdf1234"