vaguerent/test/unit_legacy/vagrant/util/template_renderer_test.rb
2011-12-03 15:44:08 -08:00

146 lines
4.5 KiB
Ruby

require "test_helper"
class TemplateRendererUtilTest < Test::Unit::TestCase
context "initializing" do
should "set the template to the given argument" do
r = Vagrant::Util::TemplateRenderer.new("foo")
assert_equal "foo", r.template
end
should "set any additional variables" do
r = Vagrant::Util::TemplateRenderer.new("foo", {:bar => :baz})
assert_equal :baz, r.bar
end
end
context "rendering" do
setup do
@template = "foo"
@r = Vagrant::Util::TemplateRenderer.new(@template)
@r.stubs(:full_template_path).returns(@template + "!")
@contents = "bar"
@file = mock("file")
@file.stubs(:read).returns(@contents)
File.stubs(:open).yields(@file)
end
should "open the template file for reading" do
File.expects(:open).with(@r.full_template_path, 'r').once
@r.render
end
should "set the template to the file contents, render, then set it back" do
result = "bar"
template_seq = sequence("template_seq")
@r.expects(:template=).with(@file.read).in_sequence(template_seq)
@r.expects(:render_string).returns(result).in_sequence(template_seq)
@r.expects(:template=).with(@template).in_sequence(template_seq)
assert_equal result, @r.render
end
should "render the ERB file in the context of the renderer" do
result = "bar"
template = "<%= foo %>"
@r.foo = result
@file.expects(:read).returns(template)
assert_equal result, @r.render
end
end
context "rendering as string" do
setup do
@result = "foo"
@erb = mock("erb")
@erb.stubs(:result).returns(@result)
@r = Vagrant::Util::TemplateRenderer.new("foo")
end
should "simply render the template as a string" do
Erubis::Eruby.expects(:new).with(@r.template, :trim => true).returns(@erb)
@erb.expects(:result).returns(@result)
assert_equal @result, @r.render_string
end
end
context "the full template path" do
setup do
@template = "foo"
@r = Vagrant::Util::TemplateRenderer.new(@template)
end
should "be the ERB file in the templates directory" do
result = Vagrant.source_root.join("templates", "#{@template}.erb")
assert_equal result.to_s, @r.full_template_path
end
should "remove duplicate path separators" do
@r.template = "foo///bar"
result = Vagrant.source_root.join("templates", "foo", "bar.erb")
assert_equal result.to_s, @r.full_template_path
end
end
context "class methods" do
context "render_with method" do
setup do
@template = "foo"
@r = Vagrant::Util::TemplateRenderer.new(@template)
@r.stubs(:render)
@method = :rawr
Vagrant::Util::TemplateRenderer.stubs(:new).with(@template, {}).returns(@r)
end
should "use the second argument as the template" do
Vagrant::Util::TemplateRenderer.expects(:new).with(@template, {}).returns(@r)
Vagrant::Util::TemplateRenderer.render_with(@method, @template)
end
should "send in additional argument to the renderer" do
data = {:hey => :foo}
Vagrant::Util::TemplateRenderer.expects(:new).with(@template, data).returns(@r)
Vagrant::Util::TemplateRenderer.render_with(@method, @template, data)
end
should "yield a block if given with the renderer as the argument" do
@r.expects(:yielded=).with(true).once
Vagrant::Util::TemplateRenderer.render_with(@method, @template) do |r|
r.yielded = true
end
end
should "render the result using the given method" do
result = mock('result')
@r.expects(@method).returns(result)
assert_equal result, Vagrant::Util::TemplateRenderer.render_with(@method, @template)
end
should "convert the given method to a sym prior to calling" do
@r.expects(@method.to_sym).returns(nil)
Vagrant::Util::TemplateRenderer.render_with(@method.to_s, @template)
end
end
context "render method" do
should "call render_with the render! method" do
args = ["foo", "bar", "baz"]
Vagrant::Util::TemplateRenderer.expects(:render_with).with(:render, *args)
Vagrant::Util::TemplateRenderer.render(*args)
end
end
context "render_string method" do
should "call render_with the render! method" do
args = ["foo", "bar", "baz"]
Vagrant::Util::TemplateRenderer.expects(:render_with).with(:render_string, *args)
Vagrant::Util::TemplateRenderer.render_string(*args)
end
end
end
end