113 lines
3.4 KiB
Ruby
113 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Experiment do
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subject { build(:experiment) }
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describe 'associations' do
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it { is_expected.to have_many(:experiment_users) }
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it { is_expected.to have_many(:users) }
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it { is_expected.to have_many(:control_group_users) }
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it { is_expected.to have_many(:experimental_group_users) }
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describe 'control_group_users and experimental_group_users' do
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let(:experiment) { create(:experiment) }
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let(:control_group_user) { build(:user) }
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let(:experimental_group_user) { build(:user) }
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before do
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experiment.control_group_users << control_group_user
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experiment.experimental_group_users << experimental_group_user
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end
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describe 'control_group_users' do
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subject { experiment.control_group_users }
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it { is_expected.to contain_exactly(control_group_user) }
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end
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describe 'experimental_group_users' do
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subject { experiment.experimental_group_users }
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it { is_expected.to contain_exactly(experimental_group_user) }
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end
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end
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end
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describe 'validations' do
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it { is_expected.to validate_presence_of(:name) }
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it { is_expected.to validate_uniqueness_of(:name) }
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it { is_expected.to validate_length_of(:name).is_at_most(255) }
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end
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describe '.add_user' do
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let(:name) { :experiment_key }
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let(:user) { build(:user) }
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let!(:experiment) { create(:experiment, name: name) }
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subject { described_class.add_user(name, :control, user) }
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describe 'creating a new experiment record' do
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context 'an experiment with the provided name already exists' do
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it 'does not create a new experiment record' do
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expect { subject }.not_to change(Experiment, :count)
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end
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end
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context 'an experiment with the provided name does not exist yet' do
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let(:experiment) { nil }
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it 'creates a new experiment record' do
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expect { subject }.to change(Experiment, :count).by(1)
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end
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end
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end
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describe 'creating a new experiment_user record' do
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context 'an experiment_user record for this experiment already exists' do
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before do
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subject
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end
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it 'does not create a new experiment_user record' do
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expect { subject }.not_to change(ExperimentUser, :count)
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end
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end
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context 'an experiment_user record for this experiment does not exist yet' do
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it 'creates a new experiment_user record' do
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expect { subject }.to change(ExperimentUser, :count).by(1)
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end
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it 'assigns the correct group_type to the experiment_user' do
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expect { subject }.to change { experiment.control_group_users.count }.by(1)
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end
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end
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end
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end
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describe '#add_control_user' do
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let(:experiment) { create(:experiment) }
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let(:user) { build(:user) }
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subject { experiment.add_control_user(user) }
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it 'creates a new experiment_user record and assigns the correct group_type' do
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expect { subject }.to change { experiment.control_group_users.count }.by(1)
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end
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end
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describe '#add_experimental_user' do
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let(:experiment) { create(:experiment) }
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let(:user) { build(:user) }
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subject { experiment.add_experimental_user(user) }
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it 'creates a new experiment_user record and assigns the correct group_type' do
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expect { subject }.to change { experiment.experimental_group_users.count }.by(1)
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end
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end
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end
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