Make changelog dependency optional

This makes it a bit easier for distributions to run the tests without needing to package changelog-cli.

1 files changed, 6 insertions, 3 deletions

diff --git a/tests/test_version_numbers.py b/tests/test_version_numbers.py
index f2f94a0..77db2f5 100644
--- a/tests/test_version_numbers.py
+++ b/tests/test_version_numbers.py
@@ -17,7 +17,10 @@ def get_version_value_cargo():
 
 
 def get_version_value_changelog():
-    proc = subprocess.Popen(["changelog", "current"], stdout=subprocess.PIPE)
+    try:
+        proc = subprocess.Popen(["changelog", "current"], stdout=subprocess.PIPE)
+    except FileNotFoundError:
+        return None
     assert proc.wait() == 0
     return proc.stdout.read().decode("utf-8").strip()
 
@@ -33,5 +36,5 @@ def test_version_numbers_all_same():
     module_version = adblock.__version__
 
     assert cargo_version == poetry_version
-    assert poetry_version == changelog_version
-    assert changelog_version == module_version
+    assert poetry_version == module_version
+    assert changelog_version is None or module_version == changelog_version