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a9aed2ac94
assert [1, 3].includes?(2) fails with unhelpful "Asserting failed" message assert_includes [1, 3], 2 fails with "Expected [1, 3] to include 2" which makes it easier to debug and more obvious what went wrong
287 lines
9.9 KiB
Ruby
287 lines
9.9 KiB
Ruby
require "abstract_unit"
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require "abstract_controller/rendering"
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class LookupContextTest < ActiveSupport::TestCase
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def setup
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@lookup_context = ActionView::LookupContext.new(FIXTURE_LOAD_PATH, {})
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ActionView::LookupContext::DetailsKey.clear
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end
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def teardown
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I18n.locale = :en
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end
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test "allows to override default_formats with ActionView::Base.default_formats" do
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begin
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formats = ActionView::Base.default_formats
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ActionView::Base.default_formats = [:foo, :bar]
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assert_equal [:foo, :bar], ActionView::LookupContext.new([]).default_formats
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ensure
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ActionView::Base.default_formats = formats
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end
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end
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test "process view paths on initialization" do
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assert_kind_of ActionView::PathSet, @lookup_context.view_paths
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end
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test "normalizes details on initialization" do
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assert_equal Mime::SET.to_a, @lookup_context.formats
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assert_equal :en, @lookup_context.locale
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end
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test "allows me to freeze and retrieve frozen formats" do
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@lookup_context.formats.freeze
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assert @lookup_context.formats.frozen?
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end
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test "provides getters and setters for variants" do
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@lookup_context.variants = [:mobile]
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assert_equal [:mobile], @lookup_context.variants
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end
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test "provides getters and setters for formats" do
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@lookup_context.formats = [:html]
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assert_equal [:html], @lookup_context.formats
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end
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test "handles */* formats" do
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@lookup_context.formats = ["*/*"]
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assert_equal Mime::SET.to_a, @lookup_context.formats
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end
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test "handles explicitly defined */* formats fallback to :js" do
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@lookup_context.formats = [:js, Mime::ALL]
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assert_equal [:js, *Mime::SET.symbols], @lookup_context.formats
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end
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test "adds :html fallback to :js formats" do
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@lookup_context.formats = [:js]
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assert_equal [:js, :html], @lookup_context.formats
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end
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test "provides getters and setters for locale" do
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@lookup_context.locale = :pt
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assert_equal :pt, @lookup_context.locale
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end
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test "changing lookup_context locale, changes I18n.locale" do
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@lookup_context.locale = :pt
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assert_equal :pt, I18n.locale
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end
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test "delegates changing the locale to the I18n configuration object if it contains a lookup_context object" do
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begin
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I18n.config = ActionView::I18nProxy.new(I18n.config, @lookup_context)
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@lookup_context.locale = :pt
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assert_equal :pt, I18n.locale
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assert_equal :pt, @lookup_context.locale
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ensure
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I18n.config = I18n.config.original_config
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end
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assert_equal :pt, I18n.locale
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end
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test "find templates using the given view paths and configured details" do
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template = @lookup_context.find("hello_world", %w(test))
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assert_equal "Hello world!", template.source
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@lookup_context.locale = :da
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template = @lookup_context.find("hello_world", %w(test))
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assert_equal "Hey verden", template.source
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end
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test "find templates with given variants" do
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@lookup_context.formats = [:html]
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@lookup_context.variants = [:phone]
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template = @lookup_context.find("hello_world", %w(test))
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assert_equal "Hello phone!", template.source
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@lookup_context.variants = [:phone]
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@lookup_context.formats = [:text]
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template = @lookup_context.find("hello_world", %w(test))
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assert_equal "Hello texty phone!", template.source
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end
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test "found templates respects given formats if one cannot be found from template or handler" do
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assert_called(ActionView::Template::Handlers::Builder, :default_format, returns: nil) do
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@lookup_context.formats = [:text]
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template = @lookup_context.find("hello", %w(test))
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assert_equal [:text], template.formats
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end
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end
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test "adds fallbacks to view paths when required" do
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assert_equal 1, @lookup_context.view_paths.size
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@lookup_context.with_fallbacks do
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assert_equal 3, @lookup_context.view_paths.size
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assert_includes @lookup_context.view_paths, ActionView::FallbackFileSystemResolver.new("")
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assert_includes @lookup_context.view_paths, ActionView::FallbackFileSystemResolver.new("/")
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end
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end
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test "add fallbacks just once in nested fallbacks calls" do
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@lookup_context.with_fallbacks do
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@lookup_context.with_fallbacks do
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assert_equal 3, @lookup_context.view_paths.size
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end
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end
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end
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test "generates a new details key for each details hash" do
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keys = []
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keys << @lookup_context.details_key
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assert_equal 1, keys.uniq.size
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@lookup_context.locale = :da
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keys << @lookup_context.details_key
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assert_equal 2, keys.uniq.size
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@lookup_context.locale = :en
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keys << @lookup_context.details_key
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assert_equal 2, keys.uniq.size
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@lookup_context.formats = [:html]
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keys << @lookup_context.details_key
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assert_equal 3, keys.uniq.size
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@lookup_context.formats = nil
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keys << @lookup_context.details_key
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assert_equal 3, keys.uniq.size
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end
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test "gives the key forward to the resolver, so it can be used as cache key" do
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@lookup_context.view_paths = ActionView::FixtureResolver.new("test/_foo.erb" => "Foo")
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal "Foo", template.source
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# Now we are going to change the template, but it won't change the returned template
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# since we will hit the cache.
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@lookup_context.view_paths.first.hash["test/_foo.erb"] = "Bar"
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal "Foo", template.source
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# This time we will change the locale. The updated template should be picked since
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# lookup_context generated a new key after we changed the locale.
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@lookup_context.locale = :da
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal "Bar", template.source
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# Now we will change back the locale and it will still pick the old template.
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# This is expected because lookup_context will reuse the previous key for :en locale.
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@lookup_context.locale = :en
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal "Foo", template.source
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# Finally, we can expire the cache. And the expected template will be used.
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@lookup_context.view_paths.first.clear_cache
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal "Bar", template.source
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end
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test "can disable the cache on demand" do
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@lookup_context.view_paths = ActionView::FixtureResolver.new("test/_foo.erb" => "Foo")
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old_template = @lookup_context.find("foo", %w(test), true)
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal template, old_template
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assert @lookup_context.cache
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template = @lookup_context.disable_cache do
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assert !@lookup_context.cache
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@lookup_context.find("foo", %w(test), true)
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end
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assert @lookup_context.cache
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assert_not_equal template, old_template
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end
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test "responds to #prefixes" do
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assert_equal [], @lookup_context.prefixes
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@lookup_context.prefixes = ["foo"]
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assert_equal ["foo"], @lookup_context.prefixes
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end
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end
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class LookupContextWithFalseCaching < ActiveSupport::TestCase
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def setup
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@resolver = ActionView::FixtureResolver.new("test/_foo.erb" => ["Foo", Time.utc(2000)])
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@lookup_context = ActionView::LookupContext.new(@resolver, {})
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end
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test "templates are always found in the resolver but timestamp is checked before being compiled" do
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ActionView::Resolver.stub(:caching?, false) do
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal "Foo", template.source
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# Now we are going to change the template, but it won't change the returned template
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# since the timestamp is the same.
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@resolver.hash["test/_foo.erb"][0] = "Bar"
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal "Foo", template.source
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# Now update the timestamp.
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@resolver.hash["test/_foo.erb"][1] = Time.now.utc
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal "Bar", template.source
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end
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end
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test "if no template was found in the second lookup, with no cache, raise error" do
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ActionView::Resolver.stub(:caching?, false) do
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal "Foo", template.source
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@resolver.hash.clear
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assert_raise ActionView::MissingTemplate do
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@lookup_context.find("foo", %w(test), true)
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end
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end
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end
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test "if no template was cached in the first lookup, retrieval should work in the second call" do
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ActionView::Resolver.stub(:caching?, false) do
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@resolver.hash.clear
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assert_raise ActionView::MissingTemplate do
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@lookup_context.find("foo", %w(test), true)
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end
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@resolver.hash["test/_foo.erb"] = ["Foo", Time.utc(2000)]
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template = @lookup_context.find("foo", %w(test), true)
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assert_equal "Foo", template.source
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end
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end
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end
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class TestMissingTemplate < ActiveSupport::TestCase
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def setup
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@lookup_context = ActionView::LookupContext.new("/Path/to/views", {})
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end
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test "if no template was found we get a helpful error message including the inheritance chain" do
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e = assert_raise ActionView::MissingTemplate do
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@lookup_context.find("foo", %w(parent child))
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end
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assert_match %r{Missing template parent/foo, child/foo with .* Searched in:\n \* "/Path/to/views"\n}, e.message
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end
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test "if no partial was found we get a helpful error message including the inheritance chain" do
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e = assert_raise ActionView::MissingTemplate do
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@lookup_context.find("foo", %w(parent child), true)
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end
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assert_match %r{Missing partial parent/_foo, child/_foo with .* Searched in:\n \* "/Path/to/views"\n}, e.message
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end
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test "if a single prefix is passed as a string and the lookup fails, MissingTemplate accepts it" do
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e = assert_raise ActionView::MissingTemplate do
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details = { handlers: [], formats: [], variants: [], locale: [] }
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@lookup_context.view_paths.find("foo", "parent", true, details)
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end
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assert_match %r{Missing partial parent/_foo with .* Searched in:\n \* "/Path/to/views"\n}, e.message
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end
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end
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