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# frozen_string_literal: true
require "spec_helper"
require "securerandom"
class TestMailer < ActionMailer::Base
def gitlab_mission(to:, cc: [])
mail(from: "about@gitlab.com", to: to, cc: cc, subject: "GitLab Mission") do |format|
format.text { render plain: "It is GitLab's mission to make it so that everyone can contribute." }
format.html { render html: "It is GitLab's mission to make it so that <strong>everyone can contribute</strong>.".html_safe }
end
mail.attachments["gitlab.txt"] = File.read(fixture_path("attachments", "gitlab.txt"))
mail.attachments["gitlab_logo.png"] = File.read(fixture_path("attachments", "gitlab_logo.png"))
end
end
RSpec.describe MicrosoftGraphMailer::Railtie do
let(:microsoft_graph_settings) do
{
user_id: SecureRandom.hex,
tenant: SecureRandom.hex,
client_id: SecureRandom.hex,
client_secret: SecureRandom.hex,
azure_ad_endpoint: "https://test-azure_ad_endpoint",
graph_endpoint: "https://test-graph_endpoint"
}
end
let(:message) { TestMailer.gitlab_mission(to: "to@example.com", cc: "cc@example.com") }
before do
ActionMailer::Base.delivery_method = :microsoft_graph
ActionMailer::Base.microsoft_graph_settings = microsoft_graph_settings
end
it "its superclass is Rails::Railtie" do
expect(MicrosoftGraphMailer::Railtie.superclass).to eq(Rails::Railtie)
end
describe "settings" do
describe "ActionMailer::Base.delivery_methods[:microsoft_graph]" do
it "returns MicrosoftGraphMailer::Delivery" do
expect(ActionMailer::Base.delivery_methods[:microsoft_graph]).to eq(MicrosoftGraphMailer::Delivery)
end
end
describe "ActionMailer::Base.microsoft_graph_settings" do
it "returns microsoft_graph_settings" do
expect(ActionMailer::Base.microsoft_graph_settings).to eq(microsoft_graph_settings)
end
end
it "sets #microsoft_graph_settings" do
expect(message.delivery_method.microsoft_graph_settings).to eq(microsoft_graph_settings)
end
[:user_id, :tenant, :client_id, :client_secret].each do |setting|
it "raises MicrosoftGraphMailer::ConfigurationError when '#{setting}' is missing" do
microsoft_graph_settings[setting] = nil
ActionMailer::Base.microsoft_graph_settings = microsoft_graph_settings
expect { message.delivery_method }
.to raise_error(MicrosoftGraphMailer::ConfigurationError, "'#{setting}' is missing")
end
end
it "sets azure_ad_endpoint setting to 'https://login.microsoftonline.com' when it is missing" do
microsoft_graph_settings[:azure_ad_endpoint] = nil
ActionMailer::Base.microsoft_graph_settings = microsoft_graph_settings
expect(message.delivery_method.microsoft_graph_settings[:azure_ad_endpoint]).to eq("https://login.microsoftonline.com")
end
it "sets graph_endpoint setting to 'https://graph.microsoft.com' when it is missing" do
microsoft_graph_settings[:graph_endpoint] = nil
ActionMailer::Base.microsoft_graph_settings = microsoft_graph_settings
expect(message.delivery_method.microsoft_graph_settings[:graph_endpoint]).to eq("https://graph.microsoft.com")
end
end
describe "ActionMailer::MessageDelivery#deliver_now" do
let(:access_token) { SecureRandom.hex }
context "when token request is successful" do
before do
stub_token_request(microsoft_graph_settings: microsoft_graph_settings, access_token: access_token, response_status: 200)
end
context "when send mail request returns response status 202" do
it "sends and returns mail" do
stub_send_mail_request(microsoft_graph_settings: microsoft_graph_settings, access_token: access_token, message: message, response_status: 202)
expect(message.deliver_now).to eq(message)
end
it "sends mail including bcc field" do
message.bcc = "bcc@example.com"
stub_send_mail_request(microsoft_graph_settings: microsoft_graph_settings, access_token: access_token, message: message, response_status: 202)
message.deliver_now
end
it "does not change message[:bcc].include_in_headers" do
message.bcc = "bcc@example.com"
expected_message_bcc_include_in_headers = "42"
message[:bcc].include_in_headers = expected_message_bcc_include_in_headers
stub_send_mail_request(microsoft_graph_settings: microsoft_graph_settings, access_token: access_token, message: message, response_status: 202)
message.deliver_now
expect(message[:bcc].include_in_headers).to eq(expected_message_bcc_include_in_headers)
end
end
context "when send mail request returns response status other than 202" do
it "raises MicrosoftGraphMailer::DeliveryError" do
stub_send_mail_request(microsoft_graph_settings: microsoft_graph_settings, access_token: access_token, message: message, response_status: 200)
expect { message.deliver_now }.to raise_error(MicrosoftGraphMailer::DeliveryError)
end
end
end
context "when token request is not successful" do
before do
stub_token_request(microsoft_graph_settings: microsoft_graph_settings, access_token: access_token, response_status: 503)
end
it "raises OAuth2::Error" do
expect { message.deliver_now }.to raise_error(OAuth2::Error)
end
end
end
end
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