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require_relative 'test_helper'
describe 'Tilt::Cache' do
before do
begin
verbose, $VERBOSE = $VERBOSE, nil
@cache = Tilt::Cache.new
ensure
$VERBOSE = verbose
end
end
it "caching with single simple argument to #fetch" do
template = nil
result = @cache.fetch('hello') { template = Tilt::StringTemplate.new {''} }
assert_same template, result
result = @cache.fetch('hello') { fail 'should be cached' }
assert_same template, result
end
it "caching with multiple complex arguments to #fetch" do
template = nil
result = @cache.fetch('hello', {:foo => 'bar', :baz => 'bizzle'}) { template = Tilt::StringTemplate.new {''} }
assert_same template, result
result = @cache.fetch('hello', {:foo => 'bar', :baz => 'bizzle'}) { fail 'should be cached' }
assert_same template, result
end
it "caching nil" do
called = false
result = @cache.fetch("blah") {called = true; nil}
assert_equal true, called
assert_nil result
called = false
result = @cache.fetch("blah") {called = true; :blah}
assert_equal false, called
assert_nil result
end
it "clearing the cache with #clear" do
template, other = nil
result = @cache.fetch('hello') { template = Tilt::StringTemplate.new {''} }
assert_same template, result
@cache.clear
result = @cache.fetch('hello') { other = Tilt::StringTemplate.new {''} }
assert_same other, result
end
end
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