Fix Cloud Vision specs

Author: remi Taylor

vision/spec/vision_samples_spec.rb

@@ -39,15 +39,17 @@ def capture &block
 # face.png
 
   example "detect labels" do
-    capture { detect_labels image_path("cat.jpg") }
+    capture { detect_labels path_to_image_file: image_path("cat.jpg") }
 
     expect(captured_output).to start_with "Image labels:"
     expect(captured_output).to include "cat"
     expect(captured_output).to include "mammal"
   end
 
   example "detect landmark" do
-    expect { detect_landmark image_path("eiffel_tower.jpg") }.to output(
+    expect {
+      detect_landmark path_to_image_file: image_path("eiffel_tower.jpg")
+    }.to output(
       "Found landmark: Eiffel Tower\n"
     ).to_stdout
   end
@@ -57,7 +59,10 @@ def capture &block
     expect(File.size output_image_file.path).to eq 0
 
     begin
-      capture { detect_faces image_path("face.png"), output_image_file.path }
+      capture do
+        detect_faces path_to_image_file: image_path("face.png"),
+                     path_to_output_file: output_image_file.path
+      end
 
       expect(captured_output).to include "Face bounds:"
       expect(captured_output).to include "(154, 33)"

vision/vision_samples.rb

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# TODO: update to use named parameters
+# TODO: add variable descriptions
 
 def detect_labels path_to_image_file:
 # [START detect_labels]