Merge branch 'qa-ml-quarantine-context' into 'master'

[QA] Skip contexts in quarantine

See merge request gitlab-org/gitlab-ce!24942

qa/spec/spec_helper.rb

@@ -19,26 +19,16 @@ RSpec.configure do |config|
     end
   end
 
-  config.before do |example|
-    QA::Runtime::Logger.debug("Starting test: #{example.full_description}") if QA::Runtime::Env.debug?
-
-    # If quarantine is tagged, skip tests that have other metadata unless
-    # they're also tagged. 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.
-    if config.inclusion_filter[:quarantine]
-      skip("Running tests tagged with all of #{config.inclusion_filter.rules.keys}") unless quarantine_and_optional_other_tag?(example, 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
 
-  config.before(:each, :quarantine) do |example|
-    # Skip tests in quarantine unless we explicitly focus on them
-    # 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('In quarantine') unless config.inclusion_filter[:quarantine]
+  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|
@@ -57,18 +47,41 @@ RSpec.configure do |config|
   Kernel.srand config.seed
 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 example 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?(example, config)
-  return false unless example.metadata.keys.include? :quarantine
-
-  filters_other_than_quarantine = config.inclusion_filter.rules.keys.reject { |key| key == :quarantine }
-
-  return true if filters_other_than_quarantine.empty?
+# - 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?
 
-  filters_other_than_quarantine.any? { |key| example.metadata.keys.include? key }
+  included_filters.any? { |key| metadata_keys.include? key }
 end