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require File.dirname(__FILE__) + '/../../spec_helper'
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require 'database_cleaner/moped/truncation'
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require File.dirname(__FILE__) + '/moped_examples'
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let(:truncation) { described_class.new(args) }
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#doing this in the file root breaks autospec, doing it before(:all) just fails the specs
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@test_db = 'database_cleaner_specs'
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@session = ::Moped::Session.new(['127.0.0.1:27017'], database: @test_db)
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truncation.db = @test_db
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def ensure_counts(expected_counts)
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# I had to add this sanity_check garbage because I was getting non-determinisc results from mongo at times..
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# very odd and disconcerting...
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expected_counts.each do |model_class, expected_count|
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model_class.count.should equal(expected_count), "#{model_class} expected to have a count of #{expected_count} but was #{model_class.count}"
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def create_widget(attrs={})
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MopedTest::Widget.new({:name => 'some widget'}.merge(attrs)).save!
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def create_gadget(attrs={})
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MopedTest::Gadget.new({:name => 'some gadget'}.merge(attrs)).save!
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it "truncates all collections by default" do
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ensure_counts(MopedTest::Widget => 1, MopedTest::Gadget => 1)
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ensure_counts(MopedTest::Widget => 0, MopedTest::Gadget => 0)
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context "when collections are provided to the :only option" do
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let(:args) {{:only => ['MopedTest::Widget']}}
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it "only truncates the specified collections" do
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ensure_counts(MopedTest::Widget => 1, MopedTest::Gadget => 1)
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ensure_counts(MopedTest::Widget => 0, MopedTest::Gadget => 1)
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context "when collections are provided to the :except option" do
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let(:args) {{:except => ['MopedTest::Widget']}}
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it "truncates all but the specified collections" do
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ensure_counts(MopedTest::Widget => 1, MopedTest::Gadget => 1)
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ensure_counts(MopedTest::Widget => 1, MopedTest::Gadget => 0)