Merge pull request #118 from Cadair/dont_error_if_missing_baseline

Don't error if we can't get a baseline while comparing hashes

Author: Cadair

pytest_mpl/plugin.py

@@ -488,15 +488,15 @@ def compare_image_to_hash_library(self, item, fig, result_dir):
             fig.savefig(str(test_image), **savefig_kwargs)
             return error_message
 
-        baseline_image_path = self.obtain_baseline_image(item, result_dir)
         try:
+            baseline_image_path = self.obtain_baseline_image(item, result_dir)
             baseline_image = baseline_image_path
             baseline_image = None if not baseline_image.exists() else baseline_image
         except Exception:
             baseline_image = None
 
         if baseline_image is None:
-            error_message += f"\nUnable to find baseline image {baseline_image_path}."
+            error_message += f"\nUnable to find baseline image for {item}."
             return error_message
 
         # Override the tolerance (if not explicitly set) to 0 as the hashes are not forgiving

tests/baseline/hashes/mpl33_ft261.json

@@ -9,5 +9,5 @@
   "test_pytest_mpl.test_parametrized[5]": "04c998af2d7932ca4a851d610e8a020d94a2f623d1301dbe9b59fe6efd28a5f7",
   "test_pytest_mpl.test_parametrized[50]": "937d986ab6b209e7d48eb30cc30e9db62c93bbc4c86768e276a5b454e63bca93",
   "test_pytest_mpl.test_parametrized[500]": "e39ed724b0762b8736879801e32dc0c1525afd03c0567a43b119435aaa608498",
-  "test_pytest_mpl.test_hash_succeeds": "4150d2d146801b5feb41ef6bd022d5baabf4811c7f2e9ed72b639e80904243e1"
+  "test_pytest_mpl.test_hash_succeeds": "55ad74a44c99606f1df1e79f67a59a4986bddc2b48ea2b2d7ea8365db91dc7ca"
 }