Contents

require 'test_helper'
require 'montage_rails/query_cache'

class QueryCacheTest < Minitest::Test
  context "#get_or_set_query" do
    setup do
      @meth = Struct.new(:foo)
      @cache = MontageRails::QueryCache.new
    end

    context "when the query is already cached" do
      setup do
        @cache.cache["foo/bar"] = "foobar"
      end

      should "not run the query, and return the cached value" do
        @meth.expects(:foo).never
        @cache.get_or_set_query("foo", "bar") do
          @meth.foo
        end
      end
    end

    context "when the query is not already cached, and set the cached value" do
      should "run the query" do
        @meth.expects(:foo).once.returns("bar")
        @cache.get_or_set_query("foo", "bar") do
          @meth.foo
        end

        assert_equal @cache.cache["foo/bar"], "bar"
      end
    end
  end

  context "#clear" do
    setup do
      @meth = Struct.new(:foo)
      @cache = MontageRails::QueryCache.new
    end

    should "clear the cache" do
      @meth.stubs(:foo).once.returns("bar")
      @cache.get_or_set_query("foo", "bar") { @meth.foo }
      @cache.clear

      assert @cache.cache.empty?
    end
  end

  context "#remove" do
    setup do
      @meth = Struct.new(:foo)
      @meth.stubs(:foo).returns("bar")
      @cache = MontageRails::QueryCache.new
      @cache.get_or_set_query("foo", "bar") { @meth.foo }
    end

    should "remove the cache key and return the cached value if the key exists" do
      assert_equal "bar", @cache.remove("foo/bar")
      assert_nil @cache.cache["foo/bar"]
    end

    should "return nil if the key does not exist" do
      assert_nil @cache.remove("foobar")
    end
  end
end

Version data entries

23 entries across 23 versions & 1 rubygems

Version	Path
montage_rails-0.4.3	test/montage_rails/query_cache_test.rb
montage_rails-0.4.2	test/montage_rails/query_cache_test.rb
montage_rails-0.4.1	test/montage_rails/query_cache_test.rb