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require 'abstract_unit'
require 'fixtures/topic'
require 'fixtures/reply'
require 'fixtures/task'
require 'fixtures/course'
require 'active_record/query_cache'
class QueryCacheTest < Test::Unit::TestCase
fixtures :tasks
def test_find_queries
assert_queries(2) { Task.find(1); Task.find(1) }
end
def test_find_queries_with_cache
Task.cache do
assert_queries(1) { Task.find(1); Task.find(1) }
end
end
def test_count_queries_with_cache
Task.cache do
assert_queries(1) { Task.count; Task.count }
end
end
def test_query_cache_returned
assert_not_equal ActiveRecord::QueryCache, Task.connection.class
Task.cache do
assert_equal ActiveRecord::QueryCache, Task.connection.class
end
end
def test_query_cache_dups_results_correctly
Task.cache do
now = Time.now.utc
task = Task.find 1
assert_not_equal now, task.starting
task.starting = now
task.reload
assert_not_equal now, task.starting
end
end
def test_cache_is_scoped_on_actual_class_only
Task.cache do
Topic.columns # don't count this query
assert_queries(2) { Topic.find(1); Topic.find(1); }
end
end
def test_cache_is_scoped_on_all_descending_classes
ActiveRecord::Base.cache do
assert_queries(1) { Task.find(1); Task.find(1) }
end
end
def test_cache_does_not_blow_up_other_connections
assert_not_equal Course.connection.object_id, Task.connection.object_id,
"Connections should be different, Course connects to a different database"
ActiveRecord::Base.cache do
assert_not_equal Course.connection.object_id, Task.connection.object_id,
"Connections should be different, Course connects to a different database"
end
end
def test_cache_does_not_wrap_string_results_in_arrays
Task.cache do
assert_instance_of String, Task.connection.select_value("SELECT count(*) AS count_all FROM tasks")
end
end
end
uses_mocha('QueryCacheExpiryTest') do
class QueryCacheExpiryTest < Test::Unit::TestCase
fixtures :tasks
def test_find
ActiveRecord::QueryCache.any_instance.expects(:clear_query_cache).times(0)
Task.cache do
Task.find(1)
end
end
def test_save
ActiveRecord::QueryCache.any_instance.expects(:clear_query_cache).times(1)
Task.cache do
Task.find(1).save
end
end
def test_destroy
ActiveRecord::QueryCache.any_instance.expects(:clear_query_cache).at_least_once
Task.cache do
Task.find(1).destroy
end
end
def test_create
ActiveRecord::QueryCache.any_instance.expects(:clear_query_cache).times(1)
Task.cache do
Task.create!
end
end
def test_new_save
ActiveRecord::QueryCache.any_instance.expects(:clear_query_cache).times(1)
Task.cache do
Task.new.save
end
end
end
end
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