2019-10-22 03:06:00 +00:00
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# frozen_string_literal: true
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2018-05-11 18:19:49 +00:00
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require 'spec_helper'
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require Rails.root.join('db', 'post_migrate', '20180511174224_add_unique_constraint_to_project_features_project_id.rb')
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2020-03-11 21:09:19 +00:00
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describe AddUniqueConstraintToProjectFeaturesProjectId do
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2018-05-11 18:19:49 +00:00
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let(:namespaces) { table(:namespaces) }
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let(:projects) { table(:projects) }
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let(:features) { table(:project_features) }
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let(:migration) { described_class.new }
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describe '#up' do
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before do
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(1..3).each do |i|
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namespaces.create(id: i, name: "ns-test-#{i}", path: "ns-test-i#{i}")
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projects.create!(id: i, name: "test-#{i}", path: "test-#{i}", namespace_id: i)
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end
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features.create!(id: 1, project_id: 1)
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features.create!(id: 2, project_id: 1)
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features.create!(id: 3, project_id: 2)
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features.create!(id: 4, project_id: 2)
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features.create!(id: 5, project_id: 2)
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features.create!(id: 6, project_id: 3)
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end
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it 'creates a unique index and removes duplicates' do
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expect(migration.index_exists?(:project_features, :project_id, unique: false, name: 'index_project_features_on_project_id')).to be true
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expect { migration.up }.to change { features.count }.from(6).to(3)
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expect(migration.index_exists?(:project_features, :project_id, unique: true, name: 'index_project_features_on_project_id')).to be true
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expect(migration.index_exists?(:project_features, :project_id, name: 'index_project_features_on_project_id_unique')).to be false
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project_1_features = features.where(project_id: 1)
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expect(project_1_features.count).to eq(1)
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expect(project_1_features.first.id).to eq(2)
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project_2_features = features.where(project_id: 2)
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expect(project_2_features.count).to eq(1)
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expect(project_2_features.first.id).to eq(5)
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project_3_features = features.where(project_id: 3)
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expect(project_3_features.count).to eq(1)
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expect(project_3_features.first.id).to eq(6)
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end
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end
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describe '#down' do
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it 'restores the original index' do
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migration.up
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expect(migration.index_exists?(:project_features, :project_id, unique: true, name: 'index_project_features_on_project_id')).to be true
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migration.down
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expect(migration.index_exists?(:project_features, :project_id, unique: false, name: 'index_project_features_on_project_id')).to be true
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expect(migration.index_exists?(:project_features, :project_id, name: 'index_project_features_on_project_id_old')).to be false
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end
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end
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end
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