Update specs for new Result#call functionality

spec/errored_result_spec.cr

@@ -16,17 +16,40 @@ end
 
 describe Spectator::ErroredResult do
   describe "#call" do
-    it "invokes #error on an instance" do
-      spy = ResultCallSpy.new
-      new_errored_result.call(spy)
-      spy.error?.should be_truthy
+    context "without a block" do
+      it "invokes #error on an instance" do
+        spy = ResultCallSpy.new
+        new_errored_result.call(spy)
+        spy.error?.should be_true
+      end
+
+      it "returns the value of #failure" do
+        result = new_errored_result
+        returned = result.call(ResultCallSpy.new)
+        returned.should eq(:error)
+      end
     end
 
-    it "passes itself" do
-      spy = ResultCallSpy.new
-      result = new_errored_result
-      result.call(spy)
-      spy.error.should eq(result)
+    context "with a block" do
+      it "invokes #error on an instance" do
+        spy = ResultCallSpy.new
+        new_errored_result.call(spy) { nil }
+        spy.error?.should be_true
+      end
+
+      it "yields itself" do
+        result = new_errored_result
+        value = nil.as(Spectator::Result?)
+        result.call(ResultCallSpy.new) { |r| value = r }
+        value.should eq(result)
+      end
+
+      it "returns the value of #failure" do
+        result = new_errored_result
+        value = 42
+        returned = result.call(ResultCallSpy.new) { value }
+        returned.should eq(value)
+      end
     end
   end
 

spec/failed_result_spec.cr

@@ -16,17 +16,40 @@ end
 
 describe Spectator::FailedResult do
   describe "#call" do
-    it "invokes #failure on an instance" do
-      spy = ResultCallSpy.new
-      new_failed_result.call(spy)
-      spy.failure?.should be_truthy
+    context "without a block" do
+      it "invokes #failure on an instance" do
+        spy = ResultCallSpy.new
+        new_failed_result.call(spy)
+        spy.failure?.should be_true
+      end
+
+      it "returns the value of #failure" do
+        result = new_failed_result
+        returned = result.call(ResultCallSpy.new)
+        returned.should eq(:failure)
+      end
     end
 
-    it "passes itself" do
-      spy = ResultCallSpy.new
-      result = new_failed_result
-      result.call(spy)
-      spy.failure.should eq(result)
+    context "with a block" do
+      it "invokes #failure on an instance" do
+        spy = ResultCallSpy.new
+        new_failed_result.call(spy) { nil }
+        spy.failure?.should be_true
+      end
+
+      it "yields itself" do
+        result = new_failed_result
+        value = nil.as(Spectator::Result?)
+        result.call(ResultCallSpy.new) { |r| value = r }
+        value.should eq(result)
+      end
+
+      it "returns the value of #failure" do
+        result = new_failed_result
+        value = 42
+        returned = result.call(ResultCallSpy.new) { value }
+        returned.should eq(value)
+      end
     end
   end
 

spec/helpers/result_call_spy.cr

@@ -1,10 +1,16 @@
 # Spy class for testing `Spectator::Result#call`.
 class ResultCallSpy
   {% for name in %i[success failure error pending] %}
-  getter! {{name.id}} : ::Spectator::Result
+  getter? {{name.id}} = false
+
+  def {{name.id}}
+    @{{name.id}} = true
+    {{name}}
+  end
 
   def {{name.id}}(arg)
-    @{{name.id}} = arg
+    @{{name.id}} = true
+    arg
   end
   {% end %}
 end

spec/pending_result_spec.cr

@@ -6,17 +6,40 @@ end
 
 describe Spectator::PendingResult do
   describe "#call" do
-    it "invokes #pending on an instance" do
-      spy = ResultCallSpy.new
-      new_pending_result.call(spy)
-      spy.pending?.should be_truthy
+    context "without a block" do
+      it "invokes #pending on an instance" do
+        spy = ResultCallSpy.new
+        new_pending_result.call(spy)
+        spy.pending?.should be_true
+      end
+
+      it "returns the value of #pending" do
+        result = new_pending_result
+        returned = result.call(ResultCallSpy.new)
+        returned.should eq(:pending)
+      end
     end
 
-    it "passes itself" do
-      spy = ResultCallSpy.new
-      result = new_pending_result
-      result.call(spy)
-      spy.pending.should eq(result)
+    context "with a block" do
+      it "invokes #pending on an instance" do
+        spy = ResultCallSpy.new
+        new_pending_result.call(spy) { nil }
+        spy.pending?.should be_true
+      end
+
+      it "yields itself" do
+        result = new_pending_result
+        value = nil.as(Spectator::Result?)
+        result.call(ResultCallSpy.new) { |r| value = r }
+        value.should eq(result)
+      end
+
+      it "returns the value of #pending" do
+        result = new_pending_result
+        value = 42
+        returned = result.call(ResultCallSpy.new) { value }
+        returned.should eq(value)
+      end
     end
   end
 

spec/successful_result_spec.cr

@@ -14,17 +14,40 @@ end
 
 describe Spectator::SuccessfulResult do
   describe "#call" do
-    it "invokes #success on an instance" do
-      spy = ResultCallSpy.new
-      new_successful_result.call(spy)
-      spy.success?.should be_truthy
+    context "without a block" do
+      it "invokes #success on an instance" do
+        spy = ResultCallSpy.new
+        new_successful_result.call(spy)
+        spy.success?.should be_true
+      end
+
+      it "returns the value of #success" do
+        result = new_successful_result
+        returned = result.call(ResultCallSpy.new)
+        returned.should eq(:success)
+      end
     end
 
-    it "passes itself" do
-      spy = ResultCallSpy.new
-      result = new_successful_result
-      result.call(spy)
-      spy.success.should eq(result)
+    context "with a block" do
+      it "invokes #success on an instance" do
+        spy = ResultCallSpy.new
+        new_successful_result.call(spy) { nil }
+        spy.success?.should be_true
+      end
+
+      it "yields itself" do
+        result = new_successful_result
+        value = nil.as(Spectator::Result?)
+        result.call(ResultCallSpy.new) { |r| value = r }
+        value.should eq(result)
+      end
+
+      it "returns the value of #success" do
+        result = new_successful_result
+        value = 42
+        returned = result.call(ResultCallSpy.new) { value }
+        returned.should eq(value)
+      end
     end
   end