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-rw-r--r--actionview/test/template/digestor_test.rb197
1 files changed, 197 insertions, 0 deletions
diff --git a/actionview/test/template/digestor_test.rb b/actionview/test/template/digestor_test.rb
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+++ b/actionview/test/template/digestor_test.rb
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+require 'abstract_unit'
+require 'fileutils'
+
+class FixtureTemplate
+ attr_reader :source, :handler
+
+ def initialize(template_path)
+ @source = File.read(template_path)
+ @handler = ActionView::Template.handler_for_extension(:erb)
+ rescue Errno::ENOENT
+ raise ActionView::MissingTemplate.new([], "", [], true, [])
+ end
+end
+
+class FixtureFinder
+ FIXTURES_DIR = "#{File.dirname(__FILE__)}/../fixtures/digestor"
+
+ def find(logical_name, keys, partial, options)
+ FixtureTemplate.new("digestor/#{partial ? logical_name.gsub(%r|/([^/]+)$|, '/_\1') : logical_name}.#{options[:formats].first}.erb")
+ end
+end
+
+class TemplateDigestorTest < ActionView::TestCase
+ def setup
+ @cwd = Dir.pwd
+ @tmp_dir = Dir.mktmpdir
+
+ FileUtils.cp_r FixtureFinder::FIXTURES_DIR, @tmp_dir
+ Dir.chdir @tmp_dir
+ end
+
+ def teardown
+ Dir.chdir @cwd
+ FileUtils.rm_r @tmp_dir
+ ActionView::Digestor.cache.clear
+ end
+
+ def test_top_level_change_reflected
+ assert_digest_difference("messages/show") do
+ change_template("messages/show")
+ end
+ end
+
+ def test_explicit_dependency
+ assert_digest_difference("messages/show") do
+ change_template("messages/_message")
+ end
+ end
+
+ def test_explicit_dependency_in_multiline_erb_tag
+ assert_digest_difference("messages/show") do
+ change_template("messages/_form")
+ end
+ end
+
+ def test_second_level_dependency
+ assert_digest_difference("messages/show") do
+ change_template("comments/_comments")
+ end
+ end
+
+ def test_second_level_dependency_within_same_directory
+ assert_digest_difference("messages/show") do
+ change_template("messages/_header")
+ end
+ end
+
+ def test_third_level_dependency
+ assert_digest_difference("messages/show") do
+ change_template("comments/_comment")
+ end
+ end
+
+ def test_directory_depth_dependency
+ assert_digest_difference("level/below/index") do
+ change_template("level/below/_header")
+ end
+ end
+
+ def test_logging_of_missing_template
+ assert_logged "Couldn't find template for digesting: messages/something_missing.html" do
+ digest("messages/show")
+ end
+ end
+
+ def test_logging_of_missing_template_ending_with_number
+ assert_logged "Couldn't find template for digesting: messages/something_missing_1.html" do
+ digest("messages/show")
+ end
+ end
+
+ def test_nested_template_directory
+ assert_digest_difference("messages/show") do
+ change_template("messages/actions/_move")
+ end
+ end
+
+ def test_dont_generate_a_digest_for_missing_templates
+ assert_equal '', digest("nothing/there")
+ end
+
+ def test_collection_dependency
+ assert_digest_difference("messages/index") do
+ change_template("messages/_message")
+ end
+
+ assert_digest_difference("messages/index") do
+ change_template("events/_event")
+ end
+ end
+
+ def test_collection_derived_from_record_dependency
+ assert_digest_difference("messages/show") do
+ change_template("events/_event")
+ end
+ end
+
+ def test_extra_whitespace_in_render_partial
+ assert_digest_difference("messages/edit") do
+ change_template("messages/_form")
+ end
+ end
+
+ def test_extra_whitespace_in_render_named_partial
+ assert_digest_difference("messages/edit") do
+ change_template("messages/_header")
+ end
+ end
+
+ def test_extra_whitespace_in_render_record
+ assert_digest_difference("messages/edit") do
+ change_template("messages/_message")
+ end
+ end
+
+ def test_extra_whitespace_in_render_with_parenthesis
+ assert_digest_difference("messages/edit") do
+ change_template("events/_event")
+ end
+ end
+
+ def test_old_style_hash_in_render_invocation
+ assert_digest_difference("messages/edit") do
+ change_template("comments/_comment")
+ end
+ end
+
+ def test_dependencies_via_options_results_in_different_digest
+ digest_plain = digest("comments/_comment")
+ digest_fridge = digest("comments/_comment", dependencies: ["fridge"])
+ digest_phone = digest("comments/_comment", dependencies: ["phone"])
+ digest_fridge_phone = digest("comments/_comment", dependencies: ["fridge", "phone"])
+
+ assert_not_equal digest_plain, digest_fridge
+ assert_not_equal digest_plain, digest_phone
+ assert_not_equal digest_plain, digest_fridge_phone
+ assert_not_equal digest_fridge, digest_phone
+ assert_not_equal digest_fridge, digest_fridge_phone
+ assert_not_equal digest_phone, digest_fridge_phone
+ end
+
+ private
+ def assert_logged(message)
+ old_logger = ActionView::Base.logger
+ log = StringIO.new
+ ActionView::Base.logger = Logger.new(log)
+
+ begin
+ yield
+
+ log.rewind
+ assert_match message, log.read
+ ensure
+ ActionView::Base.logger = old_logger
+ end
+ end
+
+ def assert_digest_difference(template_name)
+ previous_digest = digest(template_name)
+ ActionView::Digestor.cache.clear
+
+ yield
+
+ assert previous_digest != digest(template_name), "digest didn't change"
+ ActionView::Digestor.cache.clear
+ end
+
+ def digest(template_name, options={})
+ ActionView::Digestor.digest(template_name, :html, FixtureFinder.new, options)
+ end
+
+ def change_template(template_name)
+ File.open("digestor/#{template_name}.html.erb", "w") do |f|
+ f.write "\nTHIS WAS CHANGED!"
+ end
+ end
+end