module CacheStoreVersionBehavior
ModelWithKeyAndVersion = Struct.new(:cache_key, :cache_version)
def test_fetch_with_right_version_should_hit
@cache.fetch("foo", version: 1) { "bar" }
assert_equal "bar", @cache.read("foo", version: 1)
end
def test_fetch_with_wrong_version_should_miss
@cache.fetch("foo", version: 1) { "bar" }
assert_nil @cache.read("foo", version: 2)
end
def test_read_with_right_version_should_hit
@cache.write("foo", "bar", version: 1)
assert_equal "bar", @cache.read("foo", version: 1)
end
def test_read_with_wrong_version_should_miss
@cache.write("foo", "bar", version: 1)
assert_nil @cache.read("foo", version: 2)
end
def test_exist_with_right_version_should_be_true
@cache.write("foo", "bar", version: 1)
assert @cache.exist?("foo", version: 1)
end
def test_exist_with_wrong_version_should_be_false
@cache.write("foo", "bar", version: 1)
assert !@cache.exist?("foo", version: 2)
end
def test_reading_and_writing_with_model_supporting_cache_version
m1v1 = ModelWithKeyAndVersion.new("model/1", 1)
m1v2 = ModelWithKeyAndVersion.new("model/1", 2)
@cache.write(m1v1, "bar")
assert_equal "bar", @cache.read(m1v1)
assert_nil @cache.read(m1v2)
end
def test_reading_and_writing_with_model_supporting_cache_version_using_nested_key
m1v1 = ModelWithKeyAndVersion.new("model/1", 1)
m1v2 = ModelWithKeyAndVersion.new("model/1", 2)
@cache.write([ "something", m1v1 ], "bar")
assert_equal "bar", @cache.read([ "something", m1v1 ])
assert_nil @cache.read([ "something", m1v2 ])
end
def test_fetching_with_model_supporting_cache_version
m1v1 = ModelWithKeyAndVersion.new("model/1", 1)
m1v2 = ModelWithKeyAndVersion.new("model/1", 2)
@cache.fetch(m1v1) { "bar" }
assert_equal "bar", @cache.fetch(m1v1) { "bu" }
assert_equal "bu", @cache.fetch(m1v2) { "bu" }
end
def test_exist_with_model_supporting_cache_version
m1v1 = ModelWithKeyAndVersion.new("model/1", 1)
m1v2 = ModelWithKeyAndVersion.new("model/1", 2)
@cache.write(m1v1, "bar")
assert @cache.exist?(m1v1)
assert_not @cache.fetch(m1v2)
end
def test_fetch_multi_with_model_supporting_cache_version
m1v1 = ModelWithKeyAndVersion.new("model/1", 1)
m2v1 = ModelWithKeyAndVersion.new("model/2", 1)
m2v2 = ModelWithKeyAndVersion.new("model/2", 2)
first_fetch_values = @cache.fetch_multi(m1v1, m2v1) { |m| m.cache_key }
second_fetch_values = @cache.fetch_multi(m1v1, m2v2) { |m| m.cache_key + " 2nd" }
assert_equal({ m1v1 => "model/1", m2v1 => "model/2" }, first_fetch_values)
assert_equal({ m1v1 => "model/1", m2v2 => "model/2 2nd" }, second_fetch_values)
end
def test_version_is_normalized
@cache.write("foo", "bar", version: 1)
assert_equal "bar", @cache.read("foo", version: "1")
end
end