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# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::GithubImport::UserFinder, :clean_gitlab_redis_cache do
let(:project) { create(:project) }
let(:client) { double(:client) }
let(:finder) { described_class.new(project, client) }
describe '#author_id_for' do
it 'returns the user ID for the author of an object' do
user = double(:user, id: 4, login: 'kittens')
note = double(:note, author: user)
expect(finder).to receive(:user_id_for).with(user).and_return(42)
expect(finder.author_id_for(note)).to eq([42, true])
end
it 'returns the ID of the project creator if no user ID could be found' do
user = double(:user, id: 4, login: 'kittens')
note = double(:note, author: user)
expect(finder).to receive(:user_id_for).with(user).and_return(nil)
expect(finder.author_id_for(note)).to eq([project.creator_id, false])
end
it 'returns the ID of the ghost user when the object has no user' do
note = double(:note, author: nil)
expect(finder.author_id_for(note)).to eq([User.ghost.id, true])
end
it 'returns the ID of the ghost user when the given object is nil' do
expect(finder.author_id_for(nil)).to eq([User.ghost.id, true])
end
end
describe '#assignee_id_for' do
it 'returns the user ID for the assignee of an issuable' do
user = double(:user, id: 4, login: 'kittens')
issue = double(:issue, assignee: user)
expect(finder).to receive(:user_id_for).with(user).and_return(42)
expect(finder.assignee_id_for(issue)).to eq(42)
end
it 'returns nil if the issuable does not have an assignee' do
issue = double(:issue, assignee: nil)
expect(finder).not_to receive(:user_id_for)
expect(finder.assignee_id_for(issue)).to be_nil
end
end
describe '#user_id_for' do
it 'returns the user ID for the given user' do
user = double(:user, id: 4, login: 'kittens')
expect(finder).to receive(:find).with(user.id, user.login).and_return(42)
expect(finder.user_id_for(user)).to eq(42)
end
end
describe '#find' do
let(:user) { create(:user) }
before do
allow(finder).to receive(:email_for_github_username)
.and_return(user.email)
end
context 'without a cache' do
before do
allow(finder).to receive(:find_from_cache).and_return([false, nil])
expect(finder).to receive(:find_id_from_database).and_call_original
end
it 'finds a GitLab user for a GitHub user ID' do
user.identities.create!(provider: :github, extern_uid: 42)
expect(finder.find(42, user.username)).to eq(user.id)
end
it 'finds a GitLab user for a GitHub Email address' do
expect(finder.find(42, user.username)).to eq(user.id)
end
end
context 'with a cache' do
it 'returns the cached user ID' do
expect(finder).to receive(:find_from_cache).and_return([true, user.id])
expect(finder).not_to receive(:find_id_from_database)
expect(finder.find(42, user.username)).to eq(user.id)
end
it 'does not query the database if the cache key exists but is empty' do
expect(finder).to receive(:find_from_cache).and_return([true, nil])
expect(finder).not_to receive(:find_id_from_database)
expect(finder.find(42, user.username)).to be_nil
end
end
end
describe '#find_from_cache' do
it 'retrieves a GitLab user ID for a GitHub user ID' do
expect(finder)
.to receive(:cached_id_for_github_id)
.with(42)
.and_return([true, 4])
expect(finder.find_from_cache(42)).to eq([true, 4])
end
it 'retrieves a GitLab user ID for a GitHub Email address' do
email = 'kittens@example.com'
expect(finder)
.to receive(:cached_id_for_github_id)
.with(42)
.and_return([false, nil])
expect(finder)
.to receive(:cached_id_for_github_email)
.with(email)
.and_return([true, 4])
expect(finder.find_from_cache(42, email)).to eq([true, 4])
end
it 'does not query the cache for an Email address when none is given' do
expect(finder)
.to receive(:cached_id_for_github_id)
.with(42)
.and_return([false, nil])
expect(finder).not_to receive(:cached_id_for_github_id)
expect(finder.find_from_cache(42)).to eq([false])
end
end
describe '#find_id_from_database' do
let(:user) { create(:user) }
it 'returns the GitLab user ID for a GitHub user ID' do
user.identities.create!(provider: :github, extern_uid: 42)
expect(finder.find_id_from_database(42, user.email)).to eq(user.id)
end
it 'returns the GitLab user ID for a GitHub Email address' do
expect(finder.find_id_from_database(42, user.email)).to eq(user.id)
end
end
describe '#email_for_github_username' do
let(:email) { 'kittens@example.com' }
context 'when an Email address is cached' do
it 'reads the Email address from the cache' do
expect(Gitlab::GithubImport::Caching)
.to receive(:read)
.and_return(email)
expect(client).not_to receive(:user)
expect(finder.email_for_github_username('kittens')).to eq(email)
end
end
context 'when an Email address is not cached' do
let(:user) { double(:user, email: email) }
it 'retrieves the Email address from the GitHub API' do
expect(client).to receive(:user).with('kittens').and_return(user)
expect(finder.email_for_github_username('kittens')).to eq(email)
end
it 'caches the Email address when an Email address is available' do
expect(client).to receive(:user).with('kittens').and_return(user)
expect(Gitlab::GithubImport::Caching)
.to receive(:write)
.with(an_instance_of(String), email)
finder.email_for_github_username('kittens')
end
it 'returns nil if the user does not exist' do
expect(client)
.to receive(:user)
.with('kittens')
.and_return(nil)
expect(Gitlab::GithubImport::Caching)
.not_to receive(:write)
expect(finder.email_for_github_username('kittens')).to be_nil
end
end
end
describe '#cached_id_for_github_id' do
let(:id) { 4 }
it 'reads a user ID from the cache' do
Gitlab::GithubImport::Caching
.write(described_class::ID_CACHE_KEY % id, 4)
expect(finder.cached_id_for_github_id(id)).to eq([true, 4])
end
it 'reads a non existing cache key' do
expect(finder.cached_id_for_github_id(id)).to eq([false, nil])
end
end
describe '#cached_id_for_github_email' do
let(:email) { 'kittens@example.com' }
it 'reads a user ID from the cache' do
Gitlab::GithubImport::Caching
.write(described_class::ID_FOR_EMAIL_CACHE_KEY % email, 4)
expect(finder.cached_id_for_github_email(email)).to eq([true, 4])
end
it 'reads a non existing cache key' do
expect(finder.cached_id_for_github_email(email)).to eq([false, nil])
end
end
describe '#id_for_github_id' do
let(:id) { 4 }
it 'queries and caches the user ID for a given GitHub ID' do
expect(finder).to receive(:query_id_for_github_id)
.with(id)
.and_return(42)
expect(Gitlab::GithubImport::Caching)
.to receive(:write)
.with(described_class::ID_CACHE_KEY % id, 42)
finder.id_for_github_id(id)
end
it 'caches a nil value if no ID could be found' do
expect(finder).to receive(:query_id_for_github_id)
.with(id)
.and_return(nil)
expect(Gitlab::GithubImport::Caching)
.to receive(:write)
.with(described_class::ID_CACHE_KEY % id, nil)
finder.id_for_github_id(id)
end
end
describe '#id_for_github_email' do
let(:email) { 'kittens@example.com' }
it 'queries and caches the user ID for a given Email address' do
expect(finder).to receive(:query_id_for_github_email)
.with(email)
.and_return(42)
expect(Gitlab::GithubImport::Caching)
.to receive(:write)
.with(described_class::ID_FOR_EMAIL_CACHE_KEY % email, 42)
finder.id_for_github_email(email)
end
it 'caches a nil value if no ID could be found' do
expect(finder).to receive(:query_id_for_github_email)
.with(email)
.and_return(nil)
expect(Gitlab::GithubImport::Caching)
.to receive(:write)
.with(described_class::ID_FOR_EMAIL_CACHE_KEY % email, nil)
finder.id_for_github_email(email)
end
end
describe '#query_id_for_github_id' do
it 'returns the ID of the user for the given GitHub user ID' do
user = create(:user)
user.identities.create!(provider: :github, extern_uid: '42')
expect(finder.query_id_for_github_id(42)).to eq(user.id)
end
it 'returns nil when no user ID could be found' do
expect(finder.query_id_for_github_id(42)).to be_nil
end
end
describe '#query_id_for_github_email' do
it 'returns the ID of the user for the given Email address' do
user = create(:user, email: 'kittens@example.com')
expect(finder.query_id_for_github_email(user.email)).to eq(user.id)
end
it 'returns nil if no user ID could be found' do
expect(finder.query_id_for_github_email('kittens@example.com')).to be_nil
end
end
describe '#read_id_from_cache' do
it 'reads an ID from the cache' do
Gitlab::GithubImport::Caching.write('foo', 10)
expect(finder.read_id_from_cache('foo')).to eq([true, 10])
end
it 'reads a cache key with an empty value' do
Gitlab::GithubImport::Caching.write('foo', nil)
expect(finder.read_id_from_cache('foo')).to eq([true, nil])
end
it 'reads a cache key that does not exist' do
expect(finder.read_id_from_cache('foo')).to eq([false, nil])
end
end
end
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