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require_relative "spec_helper"
describe "freeze_datasets extension" do
before do
@db = Sequel.mock.extension(:freeze_datasets)
end
it "should freeze datasets by default" do
@db.dataset.frozen?.must_equal true
@db.fetch('SQL').frozen?.must_equal true
@db.from(:table).frozen?.must_equal true
@db[:table].frozen?.must_equal true
end
it "should have dataset#dup return frozen dataset" do
@db.dataset.dup.frozen?.must_equal true
end
it "should cache Database#from calls with single symbol tables" do
@db.from(:foo).must_be_same_as @db.from(:foo)
@db.from(Sequel[:foo]).wont_be_same_as @db.from(Sequel[:foo])
end
it "should clear Database#from cache when modifying the schema" do
ds = @db.from(:foo)
ds.columns(:foo, :bar)
@db[:foo].columns.must_equal [:foo, :bar]
@db.create_table!(:foo){Integer :x}
@db[:foo].columns.wont_equal [:foo, :bar]
end
end
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