2019-07-07 11:18:12 +05:30
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# frozen_string_literal: true
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2018-03-17 18:26:18 +05:30
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require 'spec_helper'
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describe GroupDescendant, :nested_groups do
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let(:parent) { create(:group) }
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let(:subgroup) { create(:group, parent: parent) }
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let(:subsub_group) { create(:group, parent: subgroup) }
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def all_preloaded_groups(*groups)
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groups + [parent, subgroup, subsub_group]
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end
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context 'for a group' do
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describe '#hierarchy' do
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it 'only queries once for the ancestors' do
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# make sure the subsub_group does not have anything cached
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test_group = create(:group, parent: subsub_group).reload
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query_count = ActiveRecord::QueryRecorder.new { test_group.hierarchy }.count
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expect(query_count).to eq(1)
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end
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it 'only queries once for the ancestors when a top is given' do
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test_group = create(:group, parent: subsub_group).reload
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recorder = ActiveRecord::QueryRecorder.new { test_group.hierarchy(subgroup) }
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expect(recorder.count).to eq(1)
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end
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it 'builds a hierarchy for a group' do
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expected_hierarchy = { parent => { subgroup => subsub_group } }
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expect(subsub_group.hierarchy).to eq(expected_hierarchy)
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end
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it 'builds a hierarchy upto a specified parent' do
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expected_hierarchy = { subgroup => subsub_group }
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expect(subsub_group.hierarchy(parent)).to eq(expected_hierarchy)
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end
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it 'raises an error if specifying a base that is not part of the tree' do
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expect { subsub_group.hierarchy(build_stubbed(:group)) }
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.to raise_error('specified top is not part of the tree')
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end
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end
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describe '.build_hierarchy' do
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it 'combines hierarchies until the top' do
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other_subgroup = create(:group, parent: parent)
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other_subsub_group = create(:group, parent: subgroup)
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groups = all_preloaded_groups(other_subgroup, subsub_group, other_subsub_group)
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expected_hierarchy = { parent => [other_subgroup, { subgroup => [subsub_group, other_subsub_group] }] }
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expect(described_class.build_hierarchy(groups)).to eq(expected_hierarchy)
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end
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it 'combines upto a given parent' do
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other_subgroup = create(:group, parent: parent)
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other_subsub_group = create(:group, parent: subgroup)
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groups = [other_subgroup, subsub_group, other_subsub_group]
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groups << subgroup # Add the parent as if it was preloaded
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expected_hierarchy = [other_subgroup, { subgroup => [subsub_group, other_subsub_group] }]
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expect(described_class.build_hierarchy(groups, parent)).to eq(expected_hierarchy)
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end
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it 'handles building a tree out of order' do
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other_subgroup = create(:group, parent: parent)
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other_subgroup2 = create(:group, parent: parent)
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other_subsub_group = create(:group, parent: other_subgroup)
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groups = all_preloaded_groups(subsub_group, other_subgroup2, other_subsub_group, other_subgroup)
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expected_hierarchy = { parent => [{ subgroup => subsub_group }, other_subgroup2, { other_subgroup => other_subsub_group }] }
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expect(described_class.build_hierarchy(groups)).to eq(expected_hierarchy)
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end
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2018-10-15 14:42:47 +05:30
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it 'tracks the exception when a parent was not preloaded' do
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expect(Gitlab::Sentry).to receive(:track_exception).and_call_original
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expect { GroupDescendant.build_hierarchy([subsub_group]) }.to raise_error(ArgumentError)
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end
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it 'recovers if a parent was not reloaded by querying for the parent' do
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expected_hierarchy = { parent => { subgroup => subsub_group } }
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# this does not raise in production, so stubbing it here.
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allow(Gitlab::Sentry).to receive(:track_exception)
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expect(GroupDescendant.build_hierarchy([subsub_group])).to eq(expected_hierarchy)
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end
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2018-03-17 18:26:18 +05:30
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it 'raises an error if not all elements were preloaded' do
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expect { described_class.build_hierarchy([subsub_group]) }
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2018-10-15 14:42:47 +05:30
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.to raise_error(/was not preloaded/)
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2018-03-17 18:26:18 +05:30
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end
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end
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end
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context 'for a project' do
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let(:project) { create(:project, namespace: subsub_group) }
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describe '#hierarchy' do
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it 'builds a hierarchy for a project' do
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expected_hierarchy = { parent => { subgroup => { subsub_group => project } } }
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expect(project.hierarchy).to eq(expected_hierarchy)
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end
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it 'builds a hierarchy upto a specified parent' do
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expected_hierarchy = { subsub_group => project }
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expect(project.hierarchy(subgroup)).to eq(expected_hierarchy)
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end
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end
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describe '.build_hierarchy' do
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it 'combines hierarchies until the top' do
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other_project = create(:project, namespace: parent)
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other_subgroup_project = create(:project, namespace: subgroup)
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elements = all_preloaded_groups(other_project, subsub_group, other_subgroup_project)
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expected_hierarchy = { parent => [other_project, { subgroup => [subsub_group, other_subgroup_project] }] }
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expect(described_class.build_hierarchy(elements)).to eq(expected_hierarchy)
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end
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it 'combines upto a given parent' do
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other_project = create(:project, namespace: parent)
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other_subgroup_project = create(:project, namespace: subgroup)
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elements = [other_project, subsub_group, other_subgroup_project]
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elements << subgroup # Added as if it was preloaded
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expected_hierarchy = [other_project, { subgroup => [subsub_group, other_subgroup_project] }]
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expect(described_class.build_hierarchy(elements, parent)).to eq(expected_hierarchy)
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end
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it 'merges to elements in the same hierarchy' do
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expected_hierarchy = { parent => subgroup }
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expect(described_class.build_hierarchy([parent, subgroup])).to eq(expected_hierarchy)
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end
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it 'merges complex hierarchies' do
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project = create(:project, namespace: parent)
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sub_project = create(:project, namespace: subgroup)
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subsubsub_group = create(:group, parent: subsub_group)
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subsub_project = create(:project, namespace: subsub_group)
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subsubsub_project = create(:project, namespace: subsubsub_group)
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other_subgroup = create(:group, parent: parent)
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other_subproject = create(:project, namespace: other_subgroup)
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elements = [project, subsubsub_project, sub_project, other_subproject, subsub_project]
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# Add parent groups as if they were preloaded
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elements += [other_subgroup, subsubsub_group, subsub_group, subgroup]
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expected_hierarchy = [
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project,
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{
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subgroup => [
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{ subsub_group => [{ subsubsub_group => subsubsub_project }, subsub_project] },
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sub_project
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]
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},
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{ other_subgroup => other_subproject }
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]
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actual_hierarchy = described_class.build_hierarchy(elements, parent)
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expect(actual_hierarchy).to eq(expected_hierarchy)
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end
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end
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end
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end
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