spec/rspec/matchers/matcher_spec.rb in rspec-expectations-2.99.0.beta2 vs spec/rspec/matchers/matcher_spec.rb in rspec-expectations-2.99.0.rc1

@@ -64,10 +64,33 @@
         expect(m).to be_a(Enumerable)
         expect(m).to be_a(Comparable)
       end
     end
 
+    context "matching blocks" do
+      it 'warns when matching blocks by default' do
+        matcher = RSpec::Matchers::DSL::Matcher.new(:not_supporting_blocks) do
+          match { true }
+        end.for_expected
+
+        expect_deprecation_with_call_site(__FILE__, __LINE__ + 2, /block expectation/)
+        expect(3).to matcher
+        expect { 3 }.to matcher
+      end
+
+      it 'does not when if it declares `supports_block_expectations`' do
+        matcher = RSpec::Matchers::DSL::Matcher.new(:supporting_blocks) do
+          match { true }
+          supports_block_expectations
+        end.for_expected
+
+        expect_no_deprecation
+        expect(3).to matcher
+        expect { 3 }.to matcher
+      end
+    end
+
     context "without overrides" do
       before(:each) do
         @matcher = RSpec::Matchers::DSL::Matcher.new(:be_a_multiple_of) do |multiple|
           match do |actual|
             actual % multiple == 0
@@ -602,7 +625,36 @@
           expect(example).to __raise_no_method_error
         end.to raise_error(/RSpec::Matchers::DSL::Matcher/)
       end
     end
 
+    describe "#matcher_execution_context" do
+      before { allow_deprecation }
+
+      let(:matcher) do
+        RSpec::Matchers::DSL::Matcher.new :foo do |expected|
+        end.for_expected(:bar)
+      end
+
+      it 'can be set' do
+        expect {
+          matcher.matcher_execution_context = :the_context
+        }.to change(matcher, :matcher_execution_context).to(:the_context)
+      end
+
+      it 'is the target of method_missing delegation' do
+        matcher.matcher_execution_context = double(:abcd => "efg")
+        expect(matcher.abcd).to eq("efg")
+      end
+
+      specify "the writer is deprecated" do
+        expect_deprecation_with_call_site(__FILE__, __LINE__ + 1, /matcher_execution_context/)
+        matcher.matcher_execution_context = :the_context
+      end
+
+      specify "the reader is deprecated" do
+        expect_deprecation_with_call_site(__FILE__, __LINE__ + 1, /matcher_execution_context/)
+        matcher.matcher_execution_context
+      end
+    end
   end
 end