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# frozen_string_literal: true
require "spec_helper"
require "securerandom"
RSpec.describe MicrosoftGraphMailer::Delivery 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
subject { described_class.new(microsoft_graph_settings) }
describe ".new" do
it "sets #microsoft_graph_settings" do
expect(subject.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
expect { subject }
.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
expect(subject.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
expect(subject.microsoft_graph_settings[:graph_endpoint]).to eq("https://graph.microsoft.com")
end
end
describe "#deliver!" do
let(:access_token) { SecureRandom.hex }
let(:message) do
Mail.new do
from "about@gitlab.com"
to "to@example.com"
cc "cc@example.com"
subject "GitLab Mission"
text_part do
body "It is GitLab's mission to make it so that everyone can contribute."
end
html_part do
content_type "text/html; charset=UTF-8"
body "It is GitLab's mission to make it so that <strong>everyone can contribute</strong>."
end
add_file fixture_path("attachments", "gitlab.txt")
add_file fixture_path("attachments", "gitlab_logo.png")
end
end
context "when token request is successful" do
before do
stub_token_request(microsoft_graph_settings: subject.microsoft_graph_settings, access_token: access_token, response_status: 200)
end
context "when send mail request returns response status 202" do
it "sends mail and returns an instance of OAuth2::Response" do
stub_send_mail_request(microsoft_graph_settings: subject.microsoft_graph_settings, access_token: access_token, message: message, response_status: 202)
expect(subject.deliver!(message)).to be_an_instance_of(OAuth2::Response)
end
it "sends mail including bcc field" do
message.bcc = "bcc@example.com"
stub_send_mail_request(microsoft_graph_settings: subject.microsoft_graph_settings, access_token: access_token, message: message, response_status: 202)
subject.deliver!(message)
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: subject.microsoft_graph_settings, access_token: access_token, message: message, response_status: 202)
subject.deliver!(message)
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: subject.microsoft_graph_settings, access_token: access_token, message: message, response_status: 200)
expect { subject.deliver!(message) }.to raise_error(MicrosoftGraphMailer::DeliveryError)
end
end
end
context "when token request is not successful" do
before do
stub_token_request(microsoft_graph_settings: subject.microsoft_graph_settings, access_token: access_token, response_status: 503)
end
it "raises OAuth2::Error" do
expect { subject.deliver!(message) }.to raise_error(OAuth2::Error)
end
end
end
end
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