switch to pytest

Author: selimb

.travis.yml

@@ -5,7 +5,7 @@ dist: xenial
 install:
   - pip install --pre -e '.[dev]'
 script:
-  - python -m unittest
+  - pytest
 
 stages:
   - pre-commit hooks
@@ -53,4 +53,4 @@ matrix:
             secure: "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"
           on:
             tags: true
-            all_branches: true
+            all_branches: true

setup.py

@@ -18,8 +18,12 @@
     ':python_version == "3.6"': ["dataclasses"],
     "lint": ["pre-commit~=1.18"],
     "docs": ["sphinx"],
-    # typed-ast (a dependency of mypy) fails to install on pypy: https://github.com/python/typed_ast/issues/111
-    "tests": ["mypy; implementation_name != 'pypy'"],
+    "tests": [
+        "pytest",
+        # typed-ast (a dependency of mypy) fails to install on pypy
+        # https://github.com/python/typed_ast/issues/111
+        "mypy; implementation_name != 'pypy'",
+    ],
 }
 EXTRAS_REQUIRE["dev"] = (
     EXTRAS_REQUIRE["enum"]

tests/README.md

@@ -2,7 +2,7 @@
 
 ## How to run
  In the project root, install dependencies and then run:
- 
+
  ```bash
-python3 -m unittest
-```
+pytest
+```