debian-mirror-gitlab/spec/requests/api/unleash_spec.rb

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2021-01-03 14:25:43 +05:30
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe API::Unleash do
include FeatureFlagHelpers
let_it_be(:project, refind: true) { create(:project) }
let(:project_id) { project.id }
let(:params) { }
let(:headers) { }
shared_examples 'authenticated request' do
context 'when using instance id' do
let(:client) { create(:operations_feature_flags_client, project: project) }
let(:params) { { instance_id: client.token } }
it 'responds with OK' do
subject
expect(response).to have_gitlab_http_status(:ok)
end
context 'when repository is disabled' do
before do
project.project_feature.update!(
repository_access_level: ::ProjectFeature::DISABLED,
merge_requests_access_level: ::ProjectFeature::DISABLED,
builds_access_level: ::ProjectFeature::DISABLED
)
end
it 'responds with forbidden' do
subject
expect(response).to have_gitlab_http_status(:ok)
end
end
context 'when repository is private' do
before do
project.project_feature.update!(
repository_access_level: ::ProjectFeature::PRIVATE,
merge_requests_access_level: ::ProjectFeature::DISABLED,
builds_access_level: ::ProjectFeature::DISABLED
)
end
it 'responds with OK' do
subject
expect(response).to have_gitlab_http_status(:ok)
end
end
end
context 'when using header' do
let(:client) { create(:operations_feature_flags_client, project: project) }
let(:headers) { { "UNLEASH-INSTANCEID" => client.token }}
it 'responds with OK' do
subject
expect(response).to have_gitlab_http_status(:ok)
end
end
context 'when using bogus instance id' do
let(:params) { { instance_id: 'token' } }
it 'responds with unauthorized' do
subject
expect(response).to have_gitlab_http_status(:unauthorized)
end
end
context 'when using not existing project' do
let(:project_id) { -5000 }
let(:params) { { instance_id: 'token' } }
it 'responds with unauthorized' do
subject
expect(response).to have_gitlab_http_status(:unauthorized)
end
end
end
shared_examples_for 'support multiple environments' do
let!(:client) { create(:operations_feature_flags_client, project: project) }
let!(:base_headers) { { "UNLEASH-INSTANCEID" => client.token } }
let!(:headers) { base_headers.merge({ "UNLEASH-APPNAME" => "test" }) }
let!(:feature_flag_1) do
create(:operations_feature_flag, name: "feature_flag_1", project: project, active: true)
end
let!(:feature_flag_2) do
create(:operations_feature_flag, name: "feature_flag_2", project: project, active: false)
end
before do
create_scope(feature_flag_1, 'production', false)
create_scope(feature_flag_2, 'review/*', true)
end
it 'does not have N+1 problem' do
control_count = ActiveRecord::QueryRecorder.new { get api(features_url), headers: headers }.count
create(:operations_feature_flag, name: "feature_flag_3", project: project, active: true)
expect { get api(features_url), headers: headers }.not_to exceed_query_limit(control_count)
end
context 'when app name is staging' do
let(:headers) { base_headers.merge({ "UNLEASH-APPNAME" => "staging" }) }
it 'returns correct active values' do
subject
feature_flag_1 = json_response['features'].find { |f| f['name'] == 'feature_flag_1' }
feature_flag_2 = json_response['features'].find { |f| f['name'] == 'feature_flag_2' }
expect(feature_flag_1['enabled']).to eq(true)
expect(feature_flag_2['enabled']).to eq(false)
end
end
context 'when app name is production' do
let(:headers) { base_headers.merge({ "UNLEASH-APPNAME" => "production" }) }
it 'returns correct active values' do
subject
feature_flag_1 = json_response['features'].find { |f| f['name'] == 'feature_flag_1' }
feature_flag_2 = json_response['features'].find { |f| f['name'] == 'feature_flag_2' }
expect(feature_flag_1['enabled']).to eq(false)
expect(feature_flag_2['enabled']).to eq(false)
end
end
context 'when app name is review/patch-1' do
let(:headers) { base_headers.merge({ "UNLEASH-APPNAME" => "review/patch-1" }) }
it 'returns correct active values' do
subject
feature_flag_1 = json_response['features'].find { |f| f['name'] == 'feature_flag_1' }
feature_flag_2 = json_response['features'].find { |f| f['name'] == 'feature_flag_2' }
expect(feature_flag_1['enabled']).to eq(true)
expect(feature_flag_2['enabled']).to eq(false)
end
end
context 'when app name is empty' do
let(:headers) { base_headers }
it 'returns empty list' do
subject
expect(json_response['features'].count).to eq(0)
end
end
end
%w(/feature_flags/unleash/:project_id/features /feature_flags/unleash/:project_id/client/features).each do |features_endpoint|
describe "GET #{features_endpoint}" do
let(:features_url) { features_endpoint.sub(':project_id', project_id.to_s) }
let(:client) { create(:operations_feature_flags_client, project: project) }
subject { get api(features_url), params: params, headers: headers }
it_behaves_like 'authenticated request'
context 'with version 1 (legacy) feature flags' do
let(:feature_flag) { create(:operations_feature_flag, project: project, name: 'feature1', active: true, version: 1) }
it_behaves_like 'support multiple environments'
context 'with a list of feature flags' do
let(:headers) { { "UNLEASH-INSTANCEID" => client.token, "UNLEASH-APPNAME" => "production" } }
let!(:enabled_feature_flag) { create(:operations_feature_flag, project: project, name: 'feature1', active: true, version: 1) }
let!(:disabled_feature_flag) { create(:operations_feature_flag, project: project, name: 'feature2', active: false, version: 1) }
it 'responds with a list of features' do
subject
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['version']).to eq(1)
expect(json_response['features']).not_to be_empty
expect(json_response['features'].map { |f| f['name'] }.sort).to eq(%w[feature1 feature2])
expect(json_response['features'].sort_by {|f| f['name'] }.map { |f| f['enabled'] }).to eq([true, false])
end
it 'matches json schema' do
subject
expect(response).to have_gitlab_http_status(:ok)
expect(response).to match_response_schema('unleash/unleash')
end
end
it 'returns a feature flag strategy' do
create(:operations_feature_flag_scope,
feature_flag: feature_flag,
environment_scope: 'sandbox',
active: true,
strategies: [{ name: "gradualRolloutUserId",
parameters: { groupId: "default", percentage: "50" } }])
headers = { "UNLEASH-INSTANCEID" => client.token, "UNLEASH-APPNAME" => "sandbox" }
get api(features_url), headers: headers
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features'].first['enabled']).to eq(true)
strategies = json_response['features'].first['strategies']
expect(strategies).to eq([{
"name" => "gradualRolloutUserId",
"parameters" => {
"percentage" => "50",
"groupId" => "default"
}
}])
end
it 'returns a default strategy for a scope' do
create(:operations_feature_flag_scope, feature_flag: feature_flag, environment_scope: 'sandbox', active: true)
headers = { "UNLEASH-INSTANCEID" => client.token, "UNLEASH-APPNAME" => "sandbox" }
get api(features_url), headers: headers
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features'].first['enabled']).to eq(true)
strategies = json_response['features'].first['strategies']
expect(strategies).to eq([{ "name" => "default", "parameters" => {} }])
end
it 'returns multiple strategies for a feature flag' do
create(:operations_feature_flag_scope,
feature_flag: feature_flag,
environment_scope: 'staging',
active: true,
strategies: [{ name: "userWithId", parameters: { userIds: "max,fred" } },
{ name: "gradualRolloutUserId",
parameters: { groupId: "default", percentage: "50" } }])
headers = { "UNLEASH-INSTANCEID" => client.token, "UNLEASH-APPNAME" => "staging" }
get api(features_url), headers: headers
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features'].first['enabled']).to eq(true)
strategies = json_response['features'].first['strategies'].sort_by { |s| s['name'] }
expect(strategies).to eq([{
"name" => "gradualRolloutUserId",
"parameters" => {
"percentage" => "50",
"groupId" => "default"
}
}, {
"name" => "userWithId",
"parameters" => {
"userIds" => "max,fred"
}
}])
end
it 'returns a disabled feature when the flag is disabled' do
flag = create(:operations_feature_flag, project: project, name: 'test_feature', active: false, version: 1)
create(:operations_feature_flag_scope, feature_flag: flag, environment_scope: 'production', active: true)
headers = { "UNLEASH-INSTANCEID" => client.token, "UNLEASH-APPNAME" => "production" }
get api(features_url), headers: headers
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features'].first['enabled']).to eq(false)
end
context "with an inactive scope" do
let!(:scope) { create(:operations_feature_flag_scope, feature_flag: feature_flag, environment_scope: 'production', active: false, strategies: [{ name: "default", parameters: {} }]) }
let(:headers) { { "UNLEASH-INSTANCEID" => client.token, "UNLEASH-APPNAME" => "production" } }
it 'returns a disabled feature' do
get api(features_url), headers: headers
expect(response).to have_gitlab_http_status(:ok)
feature_json = json_response['features'].first
expect(feature_json['enabled']).to eq(false)
expect(feature_json['strategies']).to eq([{ 'name' => 'default', 'parameters' => {} }])
end
end
end
context 'with version 2 feature flags' do
it 'does not return a flag without any strategies' do
create(:operations_feature_flag, project: project,
name: 'feature1', active: true, version: 2)
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'production' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features']).to be_empty
end
it 'returns a flag with a default strategy' do
feature_flag = create(:operations_feature_flag, project: project,
name: 'feature1', active: true, version: 2)
strategy = create(:operations_strategy, feature_flag: feature_flag,
name: 'default', parameters: {})
create(:operations_scope, strategy: strategy, environment_scope: 'production')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'production' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features']).to eq([{
'name' => 'feature1',
'enabled' => true,
'strategies' => [{
'name' => 'default',
'parameters' => {}
}]
}])
end
it 'returns a flag with a userWithId strategy' do
feature_flag = create(:operations_feature_flag, project: project,
name: 'feature1', active: true, version: 2)
strategy = create(:operations_strategy, feature_flag: feature_flag,
name: 'userWithId', parameters: { userIds: 'user123,user456' })
create(:operations_scope, strategy: strategy, environment_scope: 'production')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'production' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features']).to eq([{
'name' => 'feature1',
'enabled' => true,
'strategies' => [{
'name' => 'userWithId',
'parameters' => { 'userIds' => 'user123,user456' }
}]
}])
end
it 'returns a flag with multiple strategies' do
feature_flag = create(:operations_feature_flag, project: project,
name: 'feature1', active: true, version: 2)
strategy_a = create(:operations_strategy, feature_flag: feature_flag,
name: 'userWithId', parameters: { userIds: 'user_a,user_b' })
strategy_b = create(:operations_strategy, feature_flag: feature_flag,
name: 'gradualRolloutUserId', parameters: { groupId: 'default', percentage: '45' })
create(:operations_scope, strategy: strategy_a, environment_scope: 'production')
create(:operations_scope, strategy: strategy_b, environment_scope: 'production')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'production' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features'].map { |f| f['name'] }.sort).to eq(['feature1'])
features_json = json_response['features'].map do |feature|
feature.merge(feature.slice('strategies').transform_values { |v| v.sort_by { |s| s['name'] } })
end
expect(features_json).to eq([{
'name' => 'feature1',
'enabled' => true,
'strategies' => [{
'name' => 'gradualRolloutUserId',
'parameters' => { 'groupId' => 'default', 'percentage' => '45' }
}, {
'name' => 'userWithId',
'parameters' => { 'userIds' => 'user_a,user_b' }
}]
}])
end
it 'returns only flags matching the environment scope' do
feature_flag_a = create(:operations_feature_flag, project: project,
name: 'feature1', active: true, version: 2)
strategy_a = create(:operations_strategy, feature_flag: feature_flag_a)
create(:operations_scope, strategy: strategy_a, environment_scope: 'production')
feature_flag_b = create(:operations_feature_flag, project: project,
name: 'feature2', active: true, version: 2)
strategy_b = create(:operations_strategy, feature_flag: feature_flag_b)
create(:operations_scope, strategy: strategy_b, environment_scope: 'staging')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'staging' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features'].map { |f| f['name'] }.sort).to eq(['feature2'])
expect(json_response['features']).to eq([{
'name' => 'feature2',
'enabled' => true,
'strategies' => [{
'name' => 'default',
'parameters' => {}
}]
}])
end
it 'returns only strategies matching the environment scope' do
feature_flag = create(:operations_feature_flag, project: project,
name: 'feature1', active: true, version: 2)
strategy_a = create(:operations_strategy, feature_flag: feature_flag,
name: 'userWithId', parameters: { userIds: 'user2,user8,user4' })
create(:operations_scope, strategy: strategy_a, environment_scope: 'production')
strategy_b = create(:operations_strategy, feature_flag: feature_flag,
name: 'default', parameters: {})
create(:operations_scope, strategy: strategy_b, environment_scope: 'staging')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'production' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features']).to eq([{
'name' => 'feature1',
'enabled' => true,
'strategies' => [{
'name' => 'userWithId',
'parameters' => { 'userIds' => 'user2,user8,user4' }
}]
}])
end
it 'returns only flags for the given project' do
project_b = create(:project)
feature_flag_a = create(:operations_feature_flag, project: project, name: 'feature_a', active: true, version: 2)
strategy_a = create(:operations_strategy, feature_flag: feature_flag_a)
create(:operations_scope, strategy: strategy_a, environment_scope: 'sandbox')
feature_flag_b = create(:operations_feature_flag, project: project_b, name: 'feature_b', active: true, version: 2)
strategy_b = create(:operations_strategy, feature_flag: feature_flag_b)
create(:operations_scope, strategy: strategy_b, environment_scope: 'sandbox')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'sandbox' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features']).to eq([{
'name' => 'feature_a',
'enabled' => true,
'strategies' => [{
'name' => 'default',
'parameters' => {}
}]
}])
end
it 'returns all strategies with a matching scope' do
feature_flag = create(:operations_feature_flag, project: project,
name: 'feature1', active: true, version: 2)
strategy_a = create(:operations_strategy, feature_flag: feature_flag,
name: 'userWithId', parameters: { userIds: 'user2,user8,user4' })
create(:operations_scope, strategy: strategy_a, environment_scope: '*')
strategy_b = create(:operations_strategy, feature_flag: feature_flag,
name: 'default', parameters: {})
create(:operations_scope, strategy: strategy_b, environment_scope: 'review/*')
strategy_c = create(:operations_strategy, feature_flag: feature_flag,
name: 'gradualRolloutUserId', parameters: { groupId: 'default', percentage: '15' })
create(:operations_scope, strategy: strategy_c, environment_scope: 'review/patch-1')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'review/patch-1' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features'].first['strategies'].sort_by { |s| s['name'] }).to eq([{
'name' => 'default',
'parameters' => {}
}, {
'name' => 'gradualRolloutUserId',
'parameters' => { 'groupId' => 'default', 'percentage' => '15' }
}, {
'name' => 'userWithId',
'parameters' => { 'userIds' => 'user2,user8,user4' }
}])
end
it 'returns a strategy with more than one matching scope' do
feature_flag = create(:operations_feature_flag, project: project,
name: 'feature1', active: true, version: 2)
strategy = create(:operations_strategy, feature_flag: feature_flag,
name: 'default', parameters: {})
create(:operations_scope, strategy: strategy, environment_scope: 'production')
create(:operations_scope, strategy: strategy, environment_scope: '*')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'production' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features']).to eq([{
'name' => 'feature1',
'enabled' => true,
'strategies' => [{
'name' => 'default',
'parameters' => {}
}]
}])
end
it 'returns a disabled flag with a matching scope' do
feature_flag = create(:operations_feature_flag, project: project,
name: 'myfeature', active: false, version: 2)
strategy = create(:operations_strategy, feature_flag: feature_flag,
name: 'default', parameters: {})
create(:operations_scope, strategy: strategy, environment_scope: 'production')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'production' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features']).to eq([{
'name' => 'myfeature',
'enabled' => false,
'strategies' => [{
'name' => 'default',
'parameters' => {}
}]
}])
end
it 'returns a userWithId strategy for a gitlabUserList strategy' do
feature_flag = create(:operations_feature_flag, :new_version_flag, project: project,
name: 'myfeature', active: true)
user_list = create(:operations_feature_flag_user_list, project: project,
name: 'My List', user_xids: 'user1,user2')
strategy = create(:operations_strategy, feature_flag: feature_flag,
name: 'gitlabUserList', parameters: {}, user_list: user_list)
create(:operations_scope, strategy: strategy, environment_scope: 'production')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'production' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features']).to eq([{
'name' => 'myfeature',
'enabled' => true,
'strategies' => [{
'name' => 'userWithId',
'parameters' => { 'userIds' => 'user1,user2' }
}]
}])
end
end
context 'when mixing version 1 and version 2 feature flags' do
it 'returns both types of flags when both match' do
feature_flag_a = create(:operations_feature_flag, project: project,
name: 'feature_a', active: true, version: 2)
strategy = create(:operations_strategy, feature_flag: feature_flag_a,
name: 'userWithId', parameters: { userIds: 'user8' })
create(:operations_scope, strategy: strategy, environment_scope: 'staging')
feature_flag_b = create(:operations_feature_flag, project: project,
name: 'feature_b', active: true, version: 1)
create(:operations_feature_flag_scope, feature_flag: feature_flag_b,
active: true, strategies: [{ name: 'default', parameters: {} }], environment_scope: 'staging')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'staging' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features'].sort_by {|f| f['name']}).to eq([{
'name' => 'feature_a',
'enabled' => true,
'strategies' => [{
'name' => 'userWithId',
'parameters' => { 'userIds' => 'user8' }
}]
}, {
'name' => 'feature_b',
'enabled' => true,
'strategies' => [{
'name' => 'default',
'parameters' => {}
}]
}])
end
it 'returns legacy flags when only legacy flags match' do
feature_flag_a = create(:operations_feature_flag, project: project,
name: 'feature_a', active: true, version: 2)
strategy = create(:operations_strategy, feature_flag: feature_flag_a,
name: 'userWithId', parameters: { userIds: 'user8' })
create(:operations_scope, strategy: strategy, environment_scope: 'production')
feature_flag_b = create(:operations_feature_flag, project: project,
name: 'feature_b', active: true, version: 1)
create(:operations_feature_flag_scope, feature_flag: feature_flag_b,
active: true, strategies: [{ name: 'default', parameters: {} }], environment_scope: 'staging')
get api(features_url), headers: { 'UNLEASH-INSTANCEID' => client.token, 'UNLEASH-APPNAME' => 'staging' }
expect(response).to have_gitlab_http_status(:ok)
expect(json_response['features']).to eq([{
'name' => 'feature_b',
'enabled' => true,
'strategies' => [{
'name' => 'default',
'parameters' => {}
}]
}])
end
end
end
end
describe 'POST /feature_flags/unleash/:project_id/client/register' do
subject { post api("/feature_flags/unleash/#{project_id}/client/register"), params: params, headers: headers }
it_behaves_like 'authenticated request'
end
describe 'POST /feature_flags/unleash/:project_id/client/metrics' do
subject { post api("/feature_flags/unleash/#{project_id}/client/metrics"), params: params, headers: headers }
it_behaves_like 'authenticated request'
end
end