Merge pull request #1294 from rspec/fix-support-for-dynamic-matchers

JonRowe · JonRowe · commit 6db6a6c81316 · 2021-12-10T22:35:07.000Z
Fix support for dynamic matchers
diff --git a/Changelog.md b/Changelog.md
@@ -1,3 +1,10 @@
+### Development
+[Full Changelog](https://github.com/rspec/rspec-expectations/compare/v3.10.1...3-10-maintenance)
+
+Bug Fixes:
+
+* Fix support for dynamic matchers for expectation target checks (Phil Pirozhkov, #1294)
+
 ### 3.10.1 / 2020-12-27
 [Full Changelog](https://github.com/rspec/rspec-expectations/compare/v3.10.0...v3.10.1)
 
diff --git a/lib/rspec/expectations/expectation_target.rb b/lib/rspec/expectations/expectation_target.rb
@@ -118,9 +118,7 @@ def enforce_block_expectation(matcher)
       end
 
       def supports_block_expectations?(matcher)
-        matcher.supports_block_expectations?
-      rescue NoMethodError
-        false
+        matcher.respond_to?(:supports_block_expectations?) && matcher.supports_block_expectations?
       end
     end
   end
