Add tests for foreign interface

fixtures/something_remote.go

@@ -0,0 +1,8 @@
+package fixtures
+
+import "github.com/elgohr/counterfeiter/fixtures/aliased_package"
+
+//go:generate counterfeiter . SomethingWithForeignInterface
+type SomethingWithForeignInterface interface {
+	the_aliased_package.InAliasedPackage
+}

locator/locator_test.go

@@ -248,6 +248,25 @@ var _ = Describe("Locator", func() {
 			})
 		})
 	})
+
+	Describe("finding a foreign interface inside of an interface", func() {
+		var model *model.InterfaceToFake
+		var err error
+
+		JustBeforeEach(func() {
+			model, err = GetInterfaceFromFilePath("SomethingWithForeignInterface", "../fixtures/something_remote.go")
+			Expect(err).NotTo(HaveOccurred())
+		})
+
+		It("returns a model representing the named function alias", func() {
+			Expect(model.Name).To(Equal("SomethingWithForeignInterface"))
+			Expect(model.RepresentedByInterface).To(BeTrue())
+		})
+
+		It("should have the remote interface method", func() {
+			Expect(model.Methods).To(HaveLen(1))
+		})
+	})
 })
 
 func collectImports(specs map[string]*ast.ImportSpec) []string {