feat: add support for multipart/form requests

Author: bethesque

pact.gemspec

@@ -28,7 +28,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency 'webrick'
   gem.add_runtime_dependency 'term-ansicolor', '~> 1.0'
 
-  gem.add_runtime_dependency 'pact-support', '~> 1.4'
+  gem.add_runtime_dependency 'pact-support', '~> 1.7'
   gem.add_runtime_dependency 'pact-mock_service', '~> 2.0'
 
   gem.add_development_dependency 'rake', '~> 10.0.3'

spec/features/consumer_with_file_upload_spec.rb

@@ -0,0 +1,90 @@
+require 'net/http'
+require 'pact/consumer'
+require 'pact/consumer/rspec'
+require 'faraday'
+load 'pact/consumer/world.rb'
+
+describe "A consumer with a file upload", :pact => true  do
+
+  before :all do
+    Pact.clear_configuration
+    Pact.clear_consumer_world
+    Pact.service_consumer "Consumer with a file upload" do
+      has_pact_with "A file upload service" do
+        mock_service :file_upload_service do
+          verify false
+          port 7777
+        end
+      end
+    end
+  end
+
+  let(:file_to_upload) { File.absolute_path("./spec/support/text.txt") }
+  let(:payload) { { file: Faraday::UploadIO.new(file_to_upload, 'text/plain') } }
+
+  let(:connection) do
+    Faraday.new(file_upload_service.mock_service_base_url + "/files") do |builder|
+      builder.request :multipart
+      builder.request :url_encoded
+      builder.adapter :net_http
+    end
+  end
+
+  let(:do_request) { connection.post { |req| req.body = payload } }
+
+  describe "when the content matches" do
+
+    let(:body) do
+      "-------------RubyMultipartPost-05e76cbc2adb42ac40344eb9b35e98bc\r\nContent-Disposition: form-data; name=\"file\"; filename=\"text.txt\"\r\nContent-Length: 14\r\nContent-Type: text/plain\r\nContent-Transfer-Encoding: binary\r\n\r\nThis is a file\r\n-------------RubyMultipartPost-05e76cbc2adb42ac40344eb9b35e98bc--\r\n\r\n"
+    end
+
+    it "returns the mocked response and verification passes" do
+      file_upload_service.
+        upon_receiving("a request to upload a file").with({
+        method: :post,
+        path: '/files',
+        body: body,
+        headers: {
+          "Content-Type" => Pact.term(/multipart\/form\-data/, "multipart/form-data; boundary=-----------RubyMultipartPost-05e76cbc2adb42ac40344eb9b35e98bc"),
+          "Content-Length" => Pact.like("299")
+        }
+      }).
+        will_respond_with({
+        status: 200
+      })
+
+      do_request
+
+      file_upload_service.verify("when the content matches")
+    end
+  end
+
+  describe "when the content does not match" do
+
+    let(:body) do
+      "-------------RubyMultipartPost-05e76cbc2adb42ac40344eb9b35e98bc\r\nContent-Disposition: form-data; name=\"file\"; filename=\"TEXT.txt\"\r\nContent-Length: 14\r\nContent-Type: text/plain\r\nContent-Transfer-Encoding: binary\r\n\r\nThis is a file\r\n-------------RubyMultipartPost-05e76cbc2adb42ac40344eb9b35e98bc--\r\n\r\n"
+    end
+
+    it "the verification fails" do
+      file_upload_service.
+        upon_receiving("a request to upload another file").with({
+        method: :post,
+        path: '/files',
+        query: "foo=bar",
+        body: body,
+        headers: {
+          "Content-Type" => Pact.term(/multipart\/form\-data/, "multipart/form-data; boundary=-----------RubyMultipartPost-05e76cbc2adb42ac40344eb9b35e98bc"),
+          "Content-Length" => Pact.like("299"),
+          "Missing" => "header"
+        }
+      }).
+        will_respond_with({
+        status: 200
+      })
+
+      do_request
+
+      expect { file_upload_service.verify("when the content matches") }.to raise_error /do not match/
+    end
+  end
+end

spec/support/text.txt

@@ -0,0 +1 @@
+This is a file