Don't load all of GitLab in mail_room

Fixes #12731

3 files changed, 78 insertions, 0 deletions

diff --git a/spec/config/mail_room_spec.rb b/spec/config/mail_room_spec.rb
new file mode 100644
index 00000000000..462afb24f08
--- /dev/null
+++ b/spec/config/mail_room_spec.rb
@@ -0,0 +1,56 @@
+require "spec_helper"
+
+describe "mail_room.yml" do
+  let(:config_path)   { "config/mail_room.yml" }
+  let(:configuration) { YAML.load(ERB.new(File.read(config_path)).result) }
+
+  context "when incoming email is disabled" do
+    before do
+      ENV["MAIL_ROOM_GITLAB_CONFIG_FILE"] = Rails.root.join("spec/fixtures/mail_room_disabled.yml").to_s
+    end
+
+    after do
+      ENV["MAIL_ROOM_GITLAB_CONFIG_FILE"] = nil
+    end
+
+    it "contains no configuration" do
+      expect(configuration[:mailboxes]).to be_nil
+    end
+  end
+
+  context "when incoming email is enabled" do
+    before do
+      ENV["MAIL_ROOM_GITLAB_CONFIG_FILE"] = Rails.root.join("spec/fixtures/mail_room_enabled.yml").to_s
+    end
+
+    after do
+      ENV["MAIL_ROOM_GITLAB_CONFIG_FILE"] = nil
+    end
+
+    it "contains the intended configuration" do
+      expect(configuration[:mailboxes].length).to eq(1)
+
+      mailbox = configuration[:mailboxes].first
+
+      expect(mailbox[:host]).to eq("imap.gmail.com")
+      expect(mailbox[:port]).to eq(993)
+      expect(mailbox[:ssl]).to eq(true)
+      expect(mailbox[:start_tls]).to eq(false)
+      expect(mailbox[:email]).to eq("gitlab-incoming@gmail.com")
+      expect(mailbox[:password]).to eq("[REDACTED]")
+      expect(mailbox[:name]).to eq("inbox")
+
+      redis_config_file = Rails.root.join('config', 'resque.yml')
+
+      redis_url =
+        if File.exists?(redis_config_file)
+          YAML.load_file(redis_config_file)[Rails.env]
+        else
+          "redis://localhost:6379"
+        end
+
+      expect(mailbox[:delivery_options][:redis_url]).to eq(redis_url)
+      expect(mailbox[:arbitration_options][:redis_url]).to eq(redis_url)
+    end
+  end
+end
diff --git a/spec/fixtures/mail_room_disabled.yml b/spec/fixtures/mail_room_disabled.yml
new file mode 100644
index 00000000000..97f8cff051f
--- /dev/null
+++ b/spec/fixtures/mail_room_disabled.yml
@@ -0,0 +1,11 @@
+test:
+  incoming_email:
+    enabled: false
+    address: "gitlab-incoming+%{key}@gmail.com"
+    user: "gitlab-incoming@gmail.com"
+    password: "[REDACTED]"
+    host: "imap.gmail.com"
+    port: 993
+    ssl: true
+    start_tls: false
+    mailbox: "inbox"
diff --git a/spec/fixtures/mail_room_enabled.yml b/spec/fixtures/mail_room_enabled.yml
new file mode 100644
index 00000000000..9c94649244d
--- /dev/null
+++ b/spec/fixtures/mail_room_enabled.yml
@@ -0,0 +1,11 @@
+test:
+  incoming_email:
+    enabled: true
+    address: "gitlab-incoming+%{key}@gmail.com"
+    user: "gitlab-incoming@gmail.com"
+    password: "[REDACTED]"
+    host: "imap.gmail.com"
+    port: 993
+    ssl: true
+    start_tls: false
+    mailbox: "inbox"