Find requirement with manual step

Author: smiller

spec/spec_helper.rb

@@ -1,5 +1,6 @@
 require 'open3'
 require 'pry'
+require 'support/matchers'
 
 # This file was generated by the `rspec --init` command. Conventionally, all
 # specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
@@ -136,6 +137,7 @@ def reckon_relies_on
     system("git clone #{repo[:repo_url]}")
     relies_on = reckon_relies_on_for_one_repo(repo[:repo_url], repo[:source_directory], repo[:relies_on_label], relies_on)
   end
+  FileUtils.cd("..")
   relies_on
 end
 
@@ -152,3 +154,12 @@ def reckon_relies_on_for_one_repo(repo_url, source_directory, relies_on_label, r
   end
   relies_on
 end
+
+def relies_on_message(requirement)
+  relies_on = RSpec.configuration.relies_on.fetch(requirement, [])
+  if relies_on.any?
+    "\nOther specs relying on this: \n- #{relies_on.join("\n- ")}"
+  else
+    ""
+  end
+end

spec/support/matchers.rb

@@ -0,0 +1,11 @@
+RSpec::Matchers.define :include_key do |key, requirement|
+  match { |hash| hash.include?(key) }
+
+  failure_message do
+    "expected #{actual.keys} to include key #{key}, but it didn't\n- #{actual}\n#{relies_on_message(requirement)}"
+  end
+
+  failure_message_when_negated do
+    "expected #{actual.keys} not to include key #{key}, but it did\n- #{actual}\n#{relies_on_message(requirement)}"
+  end
+end

spec/with_requirement_spec.rb

@@ -8,12 +8,12 @@
     describe "keys in response" do
       # @REQUIREMENT: my_hounds includes :breeding_stock
       it "includes :breeding_stock" do
-        expect(subject).to include :breeding_stock
+        expect(subject).to include_key(:breeding_stock, "my_hounds includes :breeding_stock")
       end
 
       # @REQUIREMENT: my_hounds includes :traits
       it "includes :traits" do
-        expect(subject).to include :traits
+        expect(subject).to include_key(:traits, "my_hounds includes :traits")
       end
     end
   end