Test ValueStub

spec/spectator/mocks/value_stub_spec.cr

@@ -0,0 +1,62 @@
+require "../../spec_helper"
+
+Spectator.describe Spectator::ValueStub do
+  subject(stub) { Spectator::ValueStub.new(:foo, 42) }
+
+  it "stores the method name" do
+    expect(stub.method).to eq(:foo)
+  end
+
+  it "stores the return value" do
+    expect(stub.value).to eq(42)
+  end
+
+  describe "#===" do
+    subject { stub === call }
+
+    context "with a matching method name" do
+      let(call) { Spectator::MethodCall.capture(:foo, "foobar") }
+
+      it "returns true" do
+        is_expected.to be_true
+      end
+    end
+
+    context "with a different method name" do
+      let(call) { Spectator::MethodCall.capture(:bar, "foobar") }
+
+      it "returns false" do
+        is_expected.to be_false
+      end
+    end
+
+    context "with a constraint" do
+      let(constraint) { Spectator::Arguments.capture(/foo/) }
+      let(stub) { Spectator::ValueStub.new(:foo, 42, constraint) }
+
+      context "with a matching method name" do
+        let(call) { Spectator::MethodCall.capture(:foo, "foobar") }
+
+        it "returns true" do
+          is_expected.to be_true
+        end
+
+        context "with a non-matching arguments" do
+          let(call) { Spectator::MethodCall.capture(:foo, "baz") }
+
+          it "returns false" do
+            is_expected.to be_false
+          end
+        end
+      end
+
+      context "with a different method name" do
+        let(call) { Spectator::MethodCall.capture(:bar, "foobar") }
+
+        it "returns false" do
+          is_expected.to be_false
+        end
+      end
+    end
+  end
+end