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require "cases/helper"
module ActiveRecord
module ConnectionAdapters
class SchemaCacheTest < ActiveRecord::TestCase
def setup
connection = ActiveRecord::Base.connection
@cache = SchemaCache.new connection
end
def test_primary_key
assert_equal 'id', @cache.primary_keys('posts')
end
def test_primary_key_for_non_existent_table
assert_nil @cache.primary_keys('omgponies')
end
def test_caches_columns
columns = @cache.columns('posts')
assert_equal columns, @cache.columns('posts')
end
def test_caches_columns_hash
columns_hash = @cache.columns_hash('posts')
assert_equal columns_hash, @cache.columns_hash('posts')
end
def test_clearing
@cache.columns('posts')
@cache.columns_hash('posts')
@cache.tables('posts')
@cache.primary_keys('posts')
@cache.clear!
assert_equal 0, @cache.size
end
def test_dump_and_load
@cache.columns('posts')
@cache.columns_hash('posts')
@cache.tables('posts')
@cache.primary_keys('posts')
@cache = Marshal.load(Marshal.dump(@cache))
assert_equal 12, @cache.columns('posts').size
assert_equal 12, @cache.columns_hash('posts').size
assert @cache.tables('posts')
assert_equal 'id', @cache.primary_keys('posts')
end
end
end
end
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