test: add matrix deployed version spec

spec/lib/pact_broker/ui/view_models/matrix_deployed_version_spec.rb

@@ -0,0 +1,29 @@
+require 'pact_broker/ui/view_models/matrix_deployed_version'
+
+module PactBroker
+  module UI
+    module ViewDomain
+      describe MatrixDeployedVersion do
+        before do
+          allow(subject).to receive(:deployed_version_url).and_return("http://deployed_version")
+          allow(subject).to receive(:hal_browser_url) do | url |
+            "http://halbrowser#" + url
+          end
+        end
+        subject(:matrix_deployed_version) { MatrixDeployedVersion.new(deployed_version) }
+        let(:deployed_version) do
+          instance_double("PactBroker::Deployments::DeployedVersion",
+            environment: environment,
+            created_at: created_at
+          )
+        end
+        let(:created_at) { (Date.today - 1).to_datetime }
+        let(:environment) { instance_double("PactBroker::Deployments::Environment", name: "test", display_name: "Test") }
+
+        its(:environment_name) { is_expected.to eq "test" }
+        its(:tooltip) { is_expected.to eq "Currently deployed to Test (1 day ago)" }
+        its(:url) { is_expected.to eq "http://halbrowser#http://deployed_version" }
+      end
+    end
+  end
+end