Keep a changelog using 'changelog-cli'

3 files changed, 44 insertions, 4 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..63c9cd0
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,30 @@
+# CHANGELOG
+
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/) and [Keep a Changelog](http://keepachangelog.com/).
+
+
+## Unreleased
+---
+
+### New
+* Maintain a `CHANGELOG.md` file.
+
+### Changes
+
+### Fixes
+
+### Breaks
+
+
+## 0.3.2 - (2020-09-22)
+---
+
+### New
+* Build Python 3.9 wheels.
+
+### Changes
+* Updated PyO3 to version `0.12`.
+
+### Fixes
+* Don't use star imports in `__init__.py` to give linters and type checkers more information.
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index c829e6c..e383fb6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,3 +15,4 @@ python = "^3.5"
 maturin = "*"
 pytest = "*"
 toml = "*"
+changelog-cli = "*"
\ No newline at end of file
diff --git a/tests/test_version_numbers.py b/tests/test_version_numbers.py
index 6519ffa..f2f94a0 100644
--- a/tests/test_version_numbers.py
+++ b/tests/test_version_numbers.py
@@ -1,3 +1,5 @@
+import subprocess
+
 import toml
 import adblock
 
@@ -14,15 +16,22 @@ def get_version_value_cargo():
     return cargo_toml["package"]["version"]
 
 
+def get_version_value_changelog():
+    proc = subprocess.Popen(["changelog", "current"], stdout=subprocess.PIPE)
+    assert proc.wait() == 0
+    return proc.stdout.read().decode("utf-8").strip()
+
+
 def test_version_numbers_all_same():
     """
-    Makes sure that `pyproject.toml` and `Cargo.toml` contain the same version
-    number as the one attached to the `adblock` module.
+    Makes sure that `pyproject.toml`, `Cargo.toml`, and `CHANGELOG.md` contain
+    the same version number as the one attached to the `adblock` module.
     """
     cargo_version = get_version_value_cargo()
     poetry_version = get_version_value_poetry()
+    changelog_version = get_version_value_changelog()
     module_version = adblock.__version__
 
     assert cargo_version == poetry_version
-    assert poetry_version == module_version
-    assert cargo_version == module_version
+    assert poetry_version == changelog_version
+    assert changelog_version == module_version