adds specs

spec/lib/email_digests_spec.rb

@@ -2,8 +2,96 @@ require 'rails_helper'
 
 describe EmailDigest do
 
-  describe "create" do
-    pending "only send unread notifications"
+  describe "notifications" do
+
+    it "returns notifications for a user" do
+      user1 = create(:user)
+      user2 = create(:user)
+
+      proposal_notification = create(:proposal_notification)
+      notification1 = create(:notification, notifiable: proposal_notification, user: user1)
+      notification2 = create(:notification, notifiable: proposal_notification, user: user2)
+
+      email_digest = EmailDigest.new(user1)
+
+      expect(email_digest.notifications).to include(notification1)
+      expect(email_digest.notifications).to_not include(notification2)
+    end
+
+    it "returns only proposal notifications" do
+      user = create(:user)
+
+      proposal_notification = create(:proposal_notification)
+      comment = create(:comment)
+
+      notification1 = create(:notification, notifiable: proposal_notification, user: user)
+      notification2 = create(:notification, notifiable: comment,               user: user)
+
+      email_digest = EmailDigest.new(user)
+
+      expect(email_digest.notifications).to include(notification1)
+      expect(email_digest.notifications).to_not include(notification2)
+    end
+
+  end
+
+  describe "pending_notifications?" do
+
+    it "returns true when notifications have not been emailed" do
+      user = create(:user)
+
+      proposal_notification = create(:proposal_notification)
+      notification = create(:notification, notifiable: proposal_notification, user: user)
+
+      email_digest = EmailDigest.new(user)
+      expect(email_digest.pending_notifications?).to be
+    end
+
+    it "returns false when notifications have been emailed" do
+      user = create(:user)
+
+      proposal_notification = create(:proposal_notification)
+      notification = create(:notification, notifiable: proposal_notification, user: user, emailed_at: Time.now)
+
+      email_digest = EmailDigest.new(user)
+      expect(email_digest.pending_notifications?).to_not be
+    end
+
+    it "returns false when there are no notifications for a user" do
+      user = create(:user)
+      email_digest = EmailDigest.new(user)
+      expect(email_digest.pending_notifications?).to_not be
+    end
+
+  end
+
+  describe "deliver" do
+
+    it "delivers email if notifications pending" do
+      user = create(:user)
+
+      proposal_notification = create(:proposal_notification)
+      notification = create(:notification, notifiable: proposal_notification, user: user)
+
+      email_digest = EmailDigest.new(user)
+      email_digest.deliver
+
+      email = open_last_email
+      expect(email).to have_subject("Proposal notifications in Consul")
+    end
+
+    it "does not deliver email if no notifications pending" do
+      user = create(:user)
+
+      proposal_notification = create(:proposal_notification)
+      notification = create(:notification, notifiable: proposal_notification, user: user, emailed_at: Time.now)
+
+      email_digest = EmailDigest.new(user)
+      email_digest.deliver
+
+      expect(all_emails.count).to eq(0)
+    end
+
   end
 
 end