68 lines
2.4 KiB
Ruby
68 lines
2.4 KiB
Ruby
require 'minitest/autorun'
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require 'prism'
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require 'tmpdir'
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require 'fileutils'
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class ViewTest < Minitest::Test
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def setup
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@dir = Dir.mktmpdir('prism-view')
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FileUtils.mkdir_p(File.join(@dir, 'posts'))
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FileUtils.mkdir_p(File.join(@dir, 'layouts'))
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File.write(File.join(@dir, 'posts', 'index.erb'), '<%= greeting %>')
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File.write(File.join(@dir, 'posts', '_item.erb'), '[<%= label %>]')
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File.write(File.join(@dir, 'layouts', 'application.erb'), 'before-<%== content %>-after')
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@view = Prism::View.new(@dir)
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end
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def teardown
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FileUtils.remove_entry(@dir)
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end
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def test_render_reads_and_evaluates_template
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assert_equal 'hi', @view.render('posts/index', locals: { greeting: 'hi' })
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end
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def test_render_wraps_content_with_layout
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result = @view.render('posts/index', locals: { greeting: 'hi' }, layout: :application)
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assert_equal 'before-hi-after', result
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end
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def test_render_partial_directly
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assert_equal '[x]', @view.render_partial('posts/item', locals: { label: 'x' })
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end
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def test_partial_called_from_within_a_template_resolves_relative_to_it
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File.write(File.join(@dir, 'posts', 'index.erb'), "<%== partial('item', locals: { label: greeting }) %>")
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assert_equal '[hi]', @view.render('posts/index', locals: { greeting: 'hi' })
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end
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def test_render_collection_exposes_item_and_counter_locals
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File.write(File.join(@dir, 'posts', '_item.erb'), '<%= label_counter %>:<%= label %>;')
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result = @view.render_collection('posts/item', %w[a b], as: :label)
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assert_equal '1:a;2:b;', result
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end
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def test_render_collection_defaults_local_name_to_partial_basename
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File.write(File.join(@dir, 'posts', '_item.erb'), '<%= item %>;')
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result = @view.render_collection('posts/item', %w[a b])
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assert_equal 'a;b;', result
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end
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def test_missing_template_raises_a_descriptive_error
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error = assert_raises(Prism::View::TemplateNotFound) { @view.render('posts/missing') }
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assert_includes error.message, 'posts/missing'
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end
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def test_render_emits_a_render_template_event_per_template_file
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events = []
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subscriber = Prism::Instrumentation.subscribe('render_template.prism') { |event| events << event }
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begin
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@view.render('posts/index', locals: { greeting: 'hi' }, layout: :application)
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ensure
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Prism::Instrumentation.unsubscribe(subscriber)
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end
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assert_equal %w[posts/index layouts/application], events.map { |e| e.payload[:identifier] }
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end
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end
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