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Commit 8aacc69b authored by Rémy Coutable's avatar Rémy Coutable
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Merge branch 'qa-ml-quarantine-context-refactor' into 'master' 

Extract quarantine code and add tests

Closes #57666

See merge request gitlab-org/gitlab-ce!25223
parents a89df585 c6a6b8a2
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qa/qa.rb
View file @ 8aacc69b
......@@ -342,6 +342,10 @@ module QA
module Specs
autoload :Config, 'qa/specs/config'
autoload :Runner, 'qa/specs/runner'
module Helpers
autoload :Quarantine, 'qa/specs/helpers/quarantine'
end
end
##
......
qa/qa/specs/helpers/quarantine.rb 0 → 100644
View file @ 8aacc69b
# frozen_string_literal: true
require 'rspec/core'
module QA::Specs::Helpers
module Quarantine
include RSpec::Core::Pending
extend self
def configure_rspec
RSpec.configure do |config|
config.before(:context, :quarantine) do
Quarantine.skip_or_run_quarantined_contexts(config.inclusion_filter.rules, self.class)
end
config.before do |example|
Quarantine.skip_or_run_quarantined_tests_or_contexts(config.inclusion_filter.rules, example)
end
end
end
# Skip tests in quarantine unless we explicitly focus on them.
def skip_or_run_quarantined_tests_or_contexts(filters, example)
if filters.key?(:quarantine)
included_filters = filters_other_than_quarantine(filters)
# If :quarantine is focused, skip the test/context unless its metadata
# includes quarantine and any other filters
# E.g., Suppose a test is tagged :smoke and :quarantine, and another is tagged
# :ldap and :quarantine. If we wanted to run just quarantined smoke tests
# using `--tag quarantine --tag smoke`, without this check we'd end up
# running that ldap test as well because of the :quarantine metadata.
# We could use an exclusion filter, but this way the test report will list
# the quarantined tests when they're not run so that we're aware of them
skip("Only running tests tagged with :quarantine and any of #{included_filters.keys}") if should_skip_when_focused?(example.metadata, included_filters)
else
skip('In quarantine') if example.metadata.key?(:quarantine)
end
end
# Skip the entire context if a context is quarantined. This avoids running
# before blocks unnecessarily.
def skip_or_run_quarantined_contexts(filters, example)
return unless example.metadata.key?(:quarantine)
skip_or_run_quarantined_tests_or_contexts(filters, example)
end
def filters_other_than_quarantine(filter)
filter.reject { |key, _| key == :quarantine }
end
# Checks if a test or context should be skipped.
#
# Returns true if
# - the metadata does not includes the :quarantine tag
# or if
# - the metadata includes the :quarantine tag
# - and the filter includes other tags that aren't in the metadata
def should_skip_when_focused?(metadata, included_filters)
return true unless metadata.key?(:quarantine)
return false if included_filters.empty?
(metadata.keys & included_filters.keys).empty?
end
end
end
qa/spec/spec_helper.rb
View file @ 8aacc69b
......@@ -6,16 +6,10 @@ require 'rspec/retry'
end
RSpec.configure do |config|
config.before(:context) do
if self.class.metadata.keys.include?(:quarantine)
skip_or_run_quarantined_tests(self.class.metadata.keys, config.inclusion_filter.rules.keys)
end
end
QA::Specs::Helpers::Quarantine.configure_rspec
config.before do |example|
QA::Runtime::Logger.debug("Starting test: #{example.full_description}") if QA::Runtime::Env.debug?
skip_or_run_quarantined_tests(example.metadata.keys, config.inclusion_filter.rules.keys)
end
config.expect_with :rspec do |expectations|
......@@ -44,42 +38,3 @@ RSpec.configure do |config|
example.run_with_retry retry: retry_times
end
end
# Skip tests in quarantine unless we explicitly focus on them.
# Skip the entire context if a context is tagged. This avoids running before
# blocks unnecessarily.
# If quarantine is focussed, skip tests/contexts that have other metadata
# unless they're also focussed. This lets us run quarantined tests in a
# particular category without running tests in other categories.
# E.g., if a test is tagged 'smoke' and 'quarantine', and another is tagged
# 'ldap' and 'quarantine', if we wanted to run just quarantined smoke tests
# using `--tag quarantine --tag smoke`, without this check we'd end up
# running that ldap test as well.
# We could use an exclusion filter, but this way the test report will list
# the quarantined tests when they're not run so that we're aware of them
def skip_or_run_quarantined_tests(metadata_keys, filter_keys)
included_filters = filters_other_than_quarantine(filter_keys)
if filter_keys.include?(:quarantine)
skip("Only running tests tagged with :quarantine and any of #{included_filters}") unless quarantine_and_optional_other_tag?(metadata_keys, included_filters)
else
skip('In quarantine') if metadata_keys.include?(:quarantine)
end
end
def filters_other_than_quarantine(filter_keys)
filter_keys.reject { |key| key == :quarantine }
end
# Checks if a test has the 'quarantine' tag and other tags in the inclusion filter.
#
# Returns true if
# - the metadata includes the quarantine tag
# - and the metadata and inclusion filter both have any other tag
# - or no other tags are in the inclusion filter
def quarantine_and_optional_other_tag?(metadata_keys, included_filters)
return false unless metadata_keys.include? :quarantine
return true if included_filters.empty?
included_filters.any? { |key| metadata_keys.include? key }
end
qa/spec/spec_helper_spec.rb deleted 100644 → 0
View file @ a89df585
# frozen_string_literal: true
describe 'rspec config tests' do
let(:group) do
RSpec.describe do
shared_examples 'passing tests' do
example 'not in quarantine' do
end
example 'in quarantine', :quarantine do
end
end
context 'default' do
it_behaves_like 'passing tests'
end
context 'foo', :foo do
it_behaves_like 'passing tests'
end
context 'quarantine', :quarantine do
it_behaves_like 'passing tests'
end
context 'bar quarantine', :bar, :quarantine do
it_behaves_like 'passing tests'
end
end
end
let(:group_2) do
RSpec.describe do
before(:all) do
@expectations = [1, 2, 3]
end
example 'not in quarantine' do
expect(@expectations.shift).to be(3)
end
example 'in quarantine', :quarantine do
expect(@expectations.shift).to be(3)
end
end
end
context 'with no tags focussed' do
before do
group.run
end
context 'in a context tagged :foo' do
it 'skips tests in quarantine' do
context = group.children.find { |c| c.description == "foo" }
examples = context.descendant_filtered_examples
expect(examples.count).to eq(2)
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
expect(ex.execution_result.pending_message).to eq('In quarantine')
end
end
context 'in an untagged context' do
it 'skips tests in quarantine' do
context = group.children.find { |c| c.description == "default" }
examples = context.descendant_filtered_examples
expect(examples.count).to eq(2)
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
expect(ex.execution_result.pending_message).to eq('In quarantine')
end
end
context 'in a context tagged :quarantine' do
it 'skips all tests' do
context = group.children.find { |c| c.description == "quarantine" }
examples = context.descendant_filtered_examples
expect(examples.count).to eq(2)
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
expect(ex.execution_result.pending_message).to eq('In quarantine')
end
end
end
context 'with :quarantine focussed' do
before do
RSpec.configure do |config|
config.inclusion_filter = :quarantine
end
group.run
end
after do
RSpec.configure do |config|
config.inclusion_filter.clear
end
end
context 'in an untagged context' do
it 'only runs quarantined tests' do
context = group.children.find { |c| c.description == "default" }
examples = context.descendant_filtered_examples
expect(examples.count).to be(1)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
end
end
context 'in a context tagged :foo' do
it 'only runs quarantined tests' do
context = group.children.find { |c| c.description == "foo" }
examples = context.descendant_filtered_examples
expect(examples.count).to be(1)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
end
end
context 'in a context tagged :quarantine' do
it 'runs all tests' do
context = group.children.find { |c| c.description == "quarantine" }
examples = context.descendant_filtered_examples
expect(examples.count).to be(2)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
end
end
end
context 'with a non-quarantine tag (:foo) focussed' do
before do
RSpec.configure do |config|
config.inclusion_filter = :foo
end
group.run
end
after do
RSpec.configure do |config|
config.inclusion_filter.clear
end
end
context 'in an untagged context' do
it 'runs no tests' do
context = group.children.find { |c| c.description == "default" }
expect(context.descendant_filtered_examples.count).to eq(0)
end
end
context 'in a context tagged :foo' do
it 'skips quarantined tests' do
context = group.children.find { |c| c.description == "foo" }
examples = context.descendant_filtered_examples
expect(examples.count).to be(2)
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
expect(ex.execution_result.pending_message).to eq('In quarantine')
end
end
context 'in a context tagged :quarantine' do
it 'runs no tests' do
context = group.children.find { |c| c.description == "quarantine" }
expect(context.descendant_filtered_examples.count).to eq(0)
end
end
end
context 'with :quarantine and a non-quarantine tag (:foo) focussed' do
before do
RSpec.configure do |config|
config.inclusion_filter = { quarantine: true, foo: true }
end
group.run
end
after do
RSpec.configure do |config|
config.inclusion_filter.clear
end
end
context 'in an untagged context' do
it 'ignores untagged tests and skips tests even if in quarantine' do
context = group.children.find { |c| c.description == "default" }
examples = context.descendant_filtered_examples
expect(examples.count).to eq(1)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
end
end
context 'in a context tagged :foo' do
it 'only runs quarantined tests' do
context = group.children.find { |c| c.description == "foo" }
examples = context.descendant_filtered_examples
expect(examples.count).to be(2)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
end
end
context 'in a context tagged :quarantine' do
it 'skips all tests' do
context = group.children.find { |c| c.description == "quarantine" }
examples = context.descendant_filtered_examples
expect(examples.count).to be(2)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
end
end
context 'in a context tagged :bar and :quarantine' do
it 'skips all tests' do
context = group.children.find { |c| c.description == "quarantine" }
examples = context.descendant_filtered_examples
expect(examples.count).to be(2)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
end
end
end
context 'with :quarantine and multiple non-quarantine tags focussed' do
before do
RSpec.configure do |config|
config.inclusion_filter = { bar: true, foo: true, quarantine: true }
end
group.run
end
after do
RSpec.configure do |config|
config.inclusion_filter.clear
end
end
context 'in a context tagged :foo' do
it 'only runs quarantined tests' do
context = group.children.find { |c| c.description == "foo" }
examples = context.descendant_filtered_examples
expect(examples.count).to be(2)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
expect(ex.execution_result.pending_message).to eq('Only running tests tagged with :quarantine and any of [:bar, :foo]')
end
end
context 'in a context tagged :quarantine' do
it 'skips all tests' do
context = group.children.find { |c| c.description == "quarantine" }
examples = context.descendant_filtered_examples
expect(examples.count).to be(2)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
expect(ex.execution_result.pending_message).to eq('Only running tests tagged with :quarantine and any of [:bar, :foo]')
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:pending)
expect(ex.execution_result.pending_message).to eq('Only running tests tagged with :quarantine and any of [:bar, :foo]')
end
end
context 'in a context tagged :bar and :quarantine' do
it 'runs all tests' do
context = group.children.find { |c| c.description == "bar quarantine" }
examples = context.descendant_filtered_examples
expect(examples.count).to be(2)
ex = examples.find { |e| e.description == "in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
ex = examples.find { |e| e.description == "not in quarantine" }
expect(ex.execution_result.status).to eq(:passed)
end
end
end
context 'rspec retry' do
context 'in an untagged context' do
before do
group_2.run
end
it 'should run example :retry times' do
examples = group_2.descendant_filtered_examples
ex = examples.find { |e| e.description == 'not in quarantine' }
expect(ex.execution_result.status).to eq(:passed)
end
end
context 'with :quarantine focussed' do
before do
RSpec.configure do |config|
config.inclusion_filter = :quarantine
end
group_2.run
end
after do
RSpec.configure do |config|
config.inclusion_filter.clear
end
end
it 'should run example once only' do
examples = group_2.descendant_filtered_examples
ex = examples.find { |e| e.description == 'in quarantine' }
expect(ex.execution_result.status).to eq(:failed)
end
end
end
end
qa/spec/specs/helpers/quarantine_spec.rb 0 → 100644
View file @ 8aacc69b
# frozen_string_literal: true
require 'rspec/core/sandbox'
# We need a reporter for internal tests that's different from the reporter for
# external tests otherwise the results will be mixed up. We don't care about
# most reporting, but we do want to know if a test fails
class RaiseOnFailuresReporter < RSpec::Core::NullReporter
def self.example_failed(example)
raise example.exception
end
end
# We use an example group wrapper to prevent the state of internal tests
# expanding into the global state
# See: https://github.com/rspec/rspec-core/issues/2603
def describe_successfully(*args, &describe_body)
example_group = RSpec.describe(*args, &describe_body)
ran_successfully = example_group.run RaiseOnFailuresReporter
expect(ran_successfully).to eq true
example_group
end
RSpec.configure do |c|
c.around do |ex|
RSpec::Core::Sandbox.sandboxed do |config|
# If there is an example-within-an-example, we want to make sure the inner example
# does not get a reference to the outer example (the real spec) if it calls
# something like `pending`
config.before(:context) { RSpec.current_example = nil }
config.color_mode = :off
# Load airborne again to avoid "undefined method `match_expected_default?'" errors
# that happen because a hook calls a method added via a custom RSpec setting
# that is removed when the RSpec configuration is sandboxed.
# If this needs to be changed (e.g., to load other libraries as well), see
# this discussion for alternative solutions:
# https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/25223#note_143392053
load 'airborne.rb'
ex.run
end
end
end
describe QA::Specs::Helpers::Quarantine do
describe '.skip_or_run_quarantined_contexts' do
context 'with no tag focused' do
before do
described_class.configure_rspec
end
it 'skips before hooks of quarantined contexts' do
executed_hooks = []
group = describe_successfully('quarantine', :quarantine) do
before(:all) do
executed_hooks << :before_all
end
before do
executed_hooks << :before
end
example {}
end
expect(executed_hooks).to eq []
expect(group.descendant_filtered_examples.first.execution_result.status).to eq(:pending)
expect(group.descendant_filtered_examples.first.execution_result.pending_message)
.to eq('In quarantine')
end
it 'executes before hooks of non-quarantined contexts' do
executed_hooks = []
group = describe_successfully do
before(:all) do
executed_hooks << :before_all
end
before do
executed_hooks << :before
end
example {}
end
expect(executed_hooks).to eq [:before_all, :before]
expect(group.descendant_filtered_examples.first.execution_result.status).to eq(:passed)
end
end
context 'with :quarantine focused' do
before do
described_class.configure_rspec
RSpec.configure do |c|
c.filter_run :quarantine
end
end
it 'executes before hooks of quarantined contexts' do
executed_hooks = []
group = describe_successfully('quarantine', :quarantine) do
before(:all) do
executed_hooks << :before_all
end
before do
executed_hooks << :before
end
example {}
end
expect(executed_hooks).to eq [:before_all, :before]
expect(group.descendant_filtered_examples.first.execution_result.status).to eq(:passed)
end
it 'skips before hooks of non-quarantined contexts' do
executed_hooks = []
group = describe_successfully do
before(:all) do
executed_hooks << :before_all
end
before do
executed_hooks << :before
end
example {}
end
expect(executed_hooks).to eq []
expect(group.descendant_filtered_examples.first).to be_nil
end
end
end
describe '.skip_or_run_quarantined_tests' do
context 'with no tag focused' do
before do
described_class.configure_rspec
end
it 'skips quarantined tests' do
group = describe_successfully do
it('is pending', :quarantine) {}
end
expect(group.examples.first.execution_result.status).to eq(:pending)
expect(group.examples.first.execution_result.pending_message)
.to eq('In quarantine')
end
it 'executes non-quarantined tests' do
group = describe_successfully do
example {}
end
expect(group.examples.first.execution_result.status).to eq(:passed)
end
end
context 'with :quarantine focused' do
before do
described_class.configure_rspec
RSpec.configure do |c|
c.filter_run :quarantine
end
end
it 'executes quarantined tests' do
group = describe_successfully do
it('passes', :quarantine) {}
end
expect(group.examples.first.execution_result.status).to eq(:passed)
end
it 'ignores non-quarantined tests' do
group = describe_successfully do
example {}
end
expect(group.examples.first.execution_result.status).to be_nil
end
end
context 'with a non-quarantine tag focused' do
before do
described_class.configure_rspec
RSpec.configure do |c|
c.filter_run :foo
end
end
it 'ignores non-quarantined non-focused tests' do
group = describe_successfully do
example {}
end
expect(group.examples.first.execution_result.status).to be_nil
end
it 'executes non-quarantined focused tests' do
group = describe_successfully do
it('passes', :foo) {}
end
expect(group.examples.first.execution_result.status).to be(:passed)
end
it 'ignores quarantined tests' do
group = describe_successfully do
it('is ignored', :quarantine) {}
end
expect(group.examples.first.execution_result.status).to be_nil
end
it 'skips quarantined focused tests' do
group = describe_successfully do
it('is pending', :quarantine, :foo) {}
end
expect(group.examples.first.execution_result.status).to be(:pending)
expect(group.examples.first.execution_result.pending_message)
.to eq('In quarantine')
end
end
context 'with :quarantine and non-quarantine tags focused' do
before do
described_class.configure_rspec
RSpec.configure do |c|
c.filter_run :foo, :bar, :quarantine
end
end
it 'ignores non-quarantined non-focused tests' do
group = describe_successfully do
example {}
end
expect(group.examples.first.execution_result.status).to be_nil
end
it 'skips non-quarantined focused tests' do
group = describe_successfully do
it('is pending', :foo) {}
end
expect(group.examples.first.execution_result.status).to be(:pending)
expect(group.examples.first.execution_result.pending_message)
.to eq('Only running tests tagged with :quarantine and any of [:bar, :foo]')
end
it 'skips quarantined non-focused tests' do
group = describe_successfully do
it('is pending', :quarantine) {}
end
expect(group.examples.first.execution_result.status).to be(:pending)
end
it 'executes quarantined focused tests' do
group = describe_successfully do
it('passes', :quarantine, :foo) {}
end
expect(group.examples.first.execution_result.status).to be(:passed)
end
end
end
end
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