bigdir/lib/rack-mini-profiler/spec/components/profiler_spec.rb

132 lines
3.2 KiB
Ruby

require 'spec_helper'
require 'rack-mini-profiler'
describe Rack::MiniProfiler do
describe 'unique id' do
before do
@unique = Rack::MiniProfiler.generate_id
end
it 'is not nil' do
@unique.should_not be_nil
end
it 'is not empty' do
@unique.should_not be_empty
end
describe 'configuration' do
it 'allows us to set configuration settings' do
Rack::MiniProfiler.config.auto_inject = false
Rack::MiniProfiler.config.auto_inject.should == false
end
it 'allows us to start the profiler disabled' do
Rack::MiniProfiler.config.enabled = false
Rack::MiniProfiler.config.enabled.should == false
end
it 'can reset the settings' do
Rack::MiniProfiler.config.auto_inject = false
Rack::MiniProfiler.reset_config
Rack::MiniProfiler.config.auto_inject.should be_true
end
describe 'base_url_path' do
it 'adds a trailing slash onto the base_url_path' do
profiler = Rack::MiniProfiler.new(nil, :base_url_path => "/test-resource")
profiler.config.base_url_path.should == "/test-resource/"
end
it "doesn't add the trailing slash when it's already there" do
profiler = Rack::MiniProfiler.new(nil, :base_url_path => "/test-resource/")
profiler.config.base_url_path.should == "/test-resource/"
end
end
end
end
describe 'profile method' do
before do
Rack::MiniProfiler.create_current
class TestClass
def foo(bar,baz)
return [bar, baz, yield]
end
end
end
it 'should not destroy a method' do
Rack::MiniProfiler.profile_method TestClass, :foo
TestClass.new.foo("a","b"){"c"}.should == ["a","b","c"]
Rack::MiniProfiler.unprofile_method TestClass, :foo
end
end
describe 'step' do
describe 'basic usage' do
it 'yields the block given' do
Rack::MiniProfiler.create_current
Rack::MiniProfiler.step('test') { "mini profiler" }.should == "mini profiler"
end
end
describe 'typical usage' do
before(:all) do
Rack::MiniProfiler.create_current
Time.now = Time.new
Time.now += 1
Rack::MiniProfiler.step('outer') {
Time.now += 2
Rack::MiniProfiler.step('inner') {
Time.now += 3
}
Time.now += 4
}
@page_struct = Rack::MiniProfiler.current.page_struct
@root = @page_struct.root
@root.record_time
@outer = @page_struct.root.children[0]
@inner = @outer.children[0]
end
after(:all) do
Time.back_to_normal
end
it 'measures total duration correctly' do
@page_struct.duration_ms.to_i.should == 10 * 1000
end
it 'measures outer start time correctly' do
@outer.start_ms.to_i.should == 1 * 1000
end
it 'measures outer duration correctly' do
@outer.duration_ms.to_i.should == 9 * 1000
end
it 'measures inner start time correctly' do
@inner.start_ms.to_i.should == 3 * 1000
end
it 'measures inner duration correctly' do
@inner.duration_ms.to_i.should == 3 * 1000
end
end
end
end