discourse/spec/lib/theme_javascript_compiler_s...

145 lines
5.7 KiB
Ruby

# frozen_string_literal: true
require 'rails_helper'
describe ThemeJavascriptCompiler do
let(:theme_id) { 22 }
describe ThemeJavascriptCompiler::RawTemplatePrecompiler do
# For the raw templates, we can easily render them serverside, so let's do that
let(:compiler) { described_class.new(theme_id) }
let(:helpers) {
<<~JS
Handlebars.registerHelper('theme-prefix', function(themeId, string) {
return `theme_translations.${themeId}.${string}`
})
Handlebars.registerHelper('theme-i18n', function(themeId, string) {
return `translated(theme_translations.${themeId}.${string})`
})
Handlebars.registerHelper('theme-setting', function(themeId, string) {
return `setting(${themeId}:${string})`
})
Handlebars.registerHelper('dummy-helper', function(string) {
return `dummy(${string})`
})
JS
}
let(:mini_racer) {
ctx = MiniRacer::Context.new
ctx.eval(File.open("#{Rails.root}/vendor/assets/javascripts/handlebars.js").read)
ctx.eval(helpers)
ctx
}
def render(template)
compiled = compiler.compile(template)
mini_racer.eval "Handlebars.template(#{compiled.squish})({})"
end
it 'adds the theme id to the helpers' do
# Works normally
expect(render("{{theme-prefix 'translation_key'}}")).
to eq('theme_translations.22.translation_key')
expect(render("{{theme-i18n 'translation_key'}}")).
to eq('translated(theme_translations.22.translation_key)')
expect(render("{{theme-setting 'setting_key'}}")).
to eq('setting(22:setting_key)')
# Works when used inside other statements
expect(render("{{dummy-helper (theme-prefix 'translation_key')}}")).
to eq('dummy(theme_translations.22.translation_key)')
end
it 'works with the old settings syntax' do
expect(render("{{themeSettings.setting_key}}")).
to eq('setting(22:setting_key)')
# Works when used inside other statements
expect(render("{{dummy-helper themeSettings.setting_key}}")).
to eq('dummy(setting(22:setting_key))')
end
it "doesn't duplicate number parameter inside {{each}}" do
expect(compiler.compile("{{#each item as |test test2|}}{{theme-setting 'setting_key'}}{{/each}}")).
to include('{"name":"theme-setting","hash":{},"hashTypes":{},"hashContexts":{},"types":["NumberLiteral","StringLiteral"]')
# Fail would be if theme-setting is defined with types:["NumberLiteral","NumberLiteral","StringLiteral"]
end
end
describe ThemeJavascriptCompiler::EmberTemplatePrecompiler do
# For the Ember (Glimmer) templates, serverside rendering is not trivial,
# so check the compiled JSON against known working output
let(:compiler) { described_class.new(theme_id) }
let(:helper_opcode) do
append = statement("{{dummy-helper 1}}")[0]
helper = append[1]
helper[0]
end
def statement(template)
compiled = compiler.compile(template)
data = JSON.parse(compiled)
block = JSON.parse(data["block"])
block["statements"]
end
it 'adds the theme id to the helpers' do
expect(statement("{{theme-prefix 'translation_key'}}")).
to eq([[1, [helper_opcode, "theme-prefix", [22, "translation_key"], nil], false]])
expect(statement("{{theme-i18n 'translation_key'}}")).
to eq([[1, [helper_opcode, "theme-i18n", [22, "translation_key"], nil], false]])
expect(statement("{{theme-setting 'setting_key'}}")).
to eq([[1, [helper_opcode, "theme-setting", [22, "setting_key"], nil], false]])
# Works when used inside other statements
expect(statement("{{dummy-helper (theme-prefix 'translation_key')}}")).
to eq([[1, [helper_opcode, "dummy-helper", [[helper_opcode, "theme-prefix", [22, "translation_key"], nil]], nil], false]])
end
it 'works with the old settings syntax' do
expect(statement("{{themeSettings.setting_key}}")).
to eq([[1, [helper_opcode, "theme-setting", [22, "setting_key"], [["deprecated"], [true]]], false]])
# Works when used inside other statements
expect(statement("{{dummy-helper themeSettings.setting_key}}")).
to eq([[1, [helper_opcode, "dummy-helper", [[helper_opcode, "theme-setting", [22, "setting_key"], [["deprecated"], [true]]]], nil], false]])
end
end
describe "#append_raw_template" do
let(:compiler) { ThemeJavascriptCompiler.new(1, 'marks') }
it 'uses the correct template paths' do
template = "<h1>hello</h1>"
name = "/path/to/templates1"
compiler.append_raw_template("#{name}.raw", template)
expect(compiler.content.to_s).to include("addRawTemplate(\"#{name}\"")
name = "/path/to/templates2"
compiler.append_raw_template("#{name}.hbr", template)
expect(compiler.content.to_s).to include("addRawTemplate(\"#{name}\"")
name = "/path/to/templates3"
compiler.append_raw_template("#{name}.hbs", template)
expect(compiler.content.to_s).to include("addRawTemplate(\"#{name}.hbs\"")
end
end
describe "#append_ember_template" do
let(:compiler) { ThemeJavascriptCompiler.new(1, 'marks') }
it 'prepends `javascripts/` to template name if it is not prepended' do
compiler.append_ember_template("/connectors/blah-1", "{{var}}")
expect(compiler.content.to_s).to include('Ember.TEMPLATES["javascripts/connectors/blah-1"]')
compiler.append_ember_template("connectors/blah-2", "{{var}}")
expect(compiler.content.to_s).to include('Ember.TEMPLATES["javascripts/connectors/blah-2"]')
compiler.append_ember_template("javascripts/connectors/blah-3", "{{var}}")
expect(compiler.content.to_s).to include('Ember.TEMPLATES["javascripts/connectors/blah-3"]')
end
end
end