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Only test if we can use processes and it's not an in memory db

JRuby can't support processes, and in memory db can't support changing
the handlers/connections during the test.
This commit is contained in:
eileencodes 2019-11-16 08:50:38 -05:00
parent b5c6f33f0d
commit b674f04756

View file

@ -95,66 +95,69 @@ class QueryCacheTest < ActiveRecord::TestCase
ActiveRecord::Base.connection_handlers = { writing: ActiveRecord::Base.default_connection_handler }
end
def test_query_cache_with_multiple_handlers_and_forked_processes
ActiveRecord::Base.connection_handlers = {
writing: ActiveRecord::Base.default_connection_handler,
reading: ActiveRecord::ConnectionAdapters::ConnectionHandler.new
}
ActiveRecord::Base.connected_to(role: :reading) do
ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations["arunit"])
end
if Process.respond_to?(:fork) && !in_memory_db?
def test_query_cache_with_multiple_handlers_and_forked_processes
ActiveRecord::Base.connection_handlers = {
writing: ActiveRecord::Base.default_connection_handler,
reading: ActiveRecord::ConnectionAdapters::ConnectionHandler.new
}
rd, wr = IO.pipe
rd.binmode
wr.binmode
ActiveRecord::Base.connected_to(role: :reading) do
ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations["arunit"])
end
pid = fork {
rd.close
status = 0
rd, wr = IO.pipe
rd.binmode
wr.binmode
middleware { |env|
begin
assert_cache :clean
pid = fork {
rd.close
status = 0
# first request dirties cache
ActiveRecord::Base.connected_to(role: :reading) do
Post.first
assert_cache :dirty
end
# should clear the cache
Post.create!(title: "a new post", body: "and a body")
# fails because cache is still dirty
ActiveRecord::Base.connected_to(role: :reading) do
middleware { |env|
begin
assert_cache :clean
Post.first
end
rescue Minitest::Assertion => e
wr.write Marshal.dump e
status = 1
end
}.call({})
# first request dirties cache
ActiveRecord::Base.connected_to(role: :reading) do
Post.first
assert_cache :dirty
end
# should clear the cache
Post.create!(title: "a new post", body: "and a body")
# fails because cache is still dirty
ActiveRecord::Base.connected_to(role: :reading) do
assert_cache :clean
Post.first
end
rescue Minitest::Assertion => e
wr.write Marshal.dump e
status = 1
end
}.call({})
wr.close
exit!(status)
}
wr.close
exit!(status)
}
wr.close
Process.waitpid pid
if !$?.success?
raise Marshal.load(rd.read)
else
assert_predicate $?, :success?
end
Process.waitpid pid
if !$?.success?
raise Marshal.load(rd.read)
else
assert_predicate $?, :success?
rd.close
ensure
ActiveRecord::Base.connection_handlers = { writing: ActiveRecord::Base.default_connection_handler }
end
rd.close
ensure
ActiveRecord::Base.connection_handlers = { writing: ActiveRecord::Base.default_connection_handler }
end unless in_memory_db?
end
def test_query_cache_across_threads
with_temporary_connection_pool do