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mini_profiler_spec.rb
707 lines (603 loc) · 24.8 KB
/
mini_profiler_spec.rb
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# frozen_string_literal: true
require 'rack/test'
describe Rack::MiniProfiler do
include Rack::Test::Methods
def app
@app ||= Rack::Builder.new {
use Rack::MiniProfiler
map '/path2/a' do
run lambda { |env| [200, { 'Content-Type' => 'text/html' }, +'<h1>path1</h1>'] }
end
map '/path1/a' do
run lambda { |env| [200, { 'Content-Type' => 'text/html' }, +'<h1>path2</h1>'] }
end
map '/cached-resource' do
run lambda { |env|
ims = env['HTTP_IF_MODIFIED_SINCE'] || ""
if ims.size > 0
[304, { 'Content-Type' => 'application/json' }, '']
else
[200, { 'Content-Type' => 'application/json', 'Cache-Control' => 'original-cache-control' }, '{"name": "Ryan"}']
end
}
end
map '/post' do
run lambda { |env| [302, { 'Content-Type' => 'text/html' }, +'<h1>POST</h1>'] }
end
map '/html' do
run lambda { |env| [200, { 'Content-Type' => 'text/html' }, +"<html><BODY><h1>Hi</h1></BODY>\n \t</html>"] }
end
map '/explicitly-allowed-html' do
run lambda { |env|
Rack::MiniProfiler.authorize_request
[200, { 'Content-Type' => 'text/html' }, +"<html><BODY><h1>Hi</h1></BODY>\n \t</html>"]
}
end
map '/implicitbody' do
run lambda { |env| [200, { 'Content-Type' => 'text/html' }, +"<html><h1>Hi</h1></html>"] }
end
map '/implicitbodyhtml' do
run lambda { |env| [200, { 'Content-Type' => 'text/html' }, +"<h1>Hi</h1>"] }
end
map '/db' do
run lambda { |env|
::Rack::MiniProfiler.record_sql("I want to be, in a db", 10)
[200, { 'Content-Type' => 'text/html' }, +'<h1>Hi+db</h1>']
}
end
map '/3ms' do
run lambda { |env|
sleep(0.003)
[200, { 'Content-Type' => 'text/html' }, +'<h1>Hi</h1>']
}
end
map '/explicitly-allowed' do
run lambda { |env|
Rack::MiniProfiler.authorize_request
[200, { 'Content-Type' => 'text/html' }, +'<h1>path1</h1>']
}
end
map '/rails_engine' do
run lambda { |env|
env['SCRIPT_NAME'] = '/rails_engine' # Rails engines do that
[200, { 'Content-Type' => 'text/html' }, +'<html><h1>Hi</h1></html>']
}
end
map '/under_passenger' do
run lambda { |env|
[200, { 'Content-Type' => 'text/html' }, +'<html><h1>and I ride and I ride</h1></html>']
}
end
map '/create' do
run lambda { |env|
[201, { 'Content-Type' => 'text/html' }, +'<html><h1>success</h1></html>']
}
end
map '/notallowed' do
run lambda { |env|
[403, { 'Content-Type' => 'text/html' }, +'<html><h1>you are not allowed here</h1></html>']
}
end
map '/whoopsie-daisy' do
run lambda { |env|
[500, { 'Content-Type' => 'text/html' }, +'<html><h1>whoopsie daisy</h1></html>']
}
end
map '/test-snapshots-custom-fields' do
run lambda { |env|
qp = Rack::Utils.parse_nested_query(env['QUERY_STRING'])
qp.each { |k, v| Rack::MiniProfiler.add_snapshot_custom_field(k, v) }
[200, { 'Content-Type' => 'text/html' }, +'<html><h1>custom fields</h1></html>']
}
end
}.to_app
end
before do
Rack::MiniProfiler.reset_config
end
describe 'with a valid request' do
before do
get '/html'
end
it 'returns 200' do
expect(last_response).to be_ok
end
it 'has the X-MiniProfiler-Ids header' do
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(true)
end
it 'has only one X-MiniProfiler-Ids header' do
h = last_response.headers['X-MiniProfiler-Ids']
ids = h.split(",")
expect(ids.count).to eq(1)
end
it 'has the JS in the body' do
expect(last_response.body.include?('/mini-profiler-resources/includes.js')).to be(true)
end
it 'has a functioning share link' do
h = last_response.headers['X-MiniProfiler-Ids']
id = h.split(",")[0]
get "/mini-profiler-resources/results?id=#{id}"
expect(last_response).to be_ok
end
it 'avoids xss attacks' do
h = last_response.headers['X-MiniProfiler-Ids']
_id = h.split(",")[0]
get "/mini-profiler-resources/results?id=%22%3E%3Cqss%3E"
expect(last_response).not_to be_ok
expect(last_response.body).not_to match(/<qss>/)
expect(last_response.body).to match(/<qss>/)
end
end
it 'works with memory_profiler' do
pid = fork do # Avoid polluting main process with stackprof
require 'memory_profiler'
# Should store flamegraph for ?pp=profile-memory
Rack::MiniProfiler.config.enable_advanced_debugging_tools = true
get '/html?pp=profile-memory'
expect(last_response).to be_ok
expect(last_response.body).to match(/allocated memory by gem/)
expect(last_response.body).to match(/allocated memory by file/)
expect(last_response.body).to match(/allocated memory by location/)
expect(last_response.body).to match(/allocated memory by class/)
expect(last_response.body).to match(/allocated objects by gem/)
expect(last_response.body).to match(/allocated objects by file/)
expect(last_response.body).to match(/allocated objects by location/)
expect(last_response.body).to match(/allocated objects by class/)
expect(last_response.body).to match(/retained objects by gem/)
expect(last_response.body).to match(/retained objects by file/)
expect(last_response.body).to match(/retained objects by location/)
expect(last_response.body).to match(/retained objects by class/)
expect(last_response.body).to match(/Allocated String Report/)
expect(last_response.body).to match(/Retained String Report/)
end
Process.wait(pid)
expect($?.exitstatus).to eq(0)
end
it 'works with async-flamegraph' do
pid = fork do # Avoid polluting main process with stackprof
require 'stackprof'
# Should store flamegraph for ?pp=async-flamegraph
get '/html?pp=async-flamegraph'
expect(last_response).to be_ok
id = last_response.headers['X-MiniProfiler-Ids'].split(",")[0]
flamegraph_path = last_response.headers['X-MiniProfiler-Flamegraph-Path']
expect(flamegraph_path).to eq("/mini-profiler-resources/flamegraph?id=#{id}")
get flamegraph_path
expect(last_response).to be_ok
expect(last_response.body).to include("var graph = {")
# Should store flamegraph based on REFERER
get '/html', nil, { "HTTP_REFERER" => "/origin?pp=async-flamegraph" }
expect(last_response).to be_ok
id = last_response.headers['X-MiniProfiler-Ids'].split(",")[0]
get "/mini-profiler-resources/flamegraph?id=#{id}"
expect(last_response).to be_ok
expect(last_response.body).to include("<title>Rack::MiniProfiler Flamegraph</title>")
expect(last_response.body).to include("var graph = {")
# Should have correct iframe URL when the base URL changes
get "/mini-profiler-resources/flamegraph?id=#{id}", nil, { 'SCRIPT_NAME' => '/my/base/url' }
expect(last_response).to be_ok
expect(last_response.body).to include("<title>Rack::MiniProfiler Flamegraph</title>")
expect(last_response.body).to include("iframeUrl = '/my/base/url/mini-profiler-resources/speedscope/")
# Should not store/return flamegraph for regular requests
get '/html'
expect(last_response).to be_ok
id = last_response.headers['X-MiniProfiler-Ids'].split(",")[0]
get "/mini-profiler-resources/flamegraph?id=#{id}"
expect(last_response.status).to eq(404)
end
Process.wait(pid)
expect($?.exitstatus).to eq(0)
end
describe 'with an implicit body tag' do
before do
get '/implicitbody'
end
it 'has the JS in the body' do
expect(last_response.body.include?('/mini-profiler-resources/includes.js')).to be(true)
end
end
describe 'with implicit body and html tags' do
before do
get '/implicitbodyhtml'
end
it 'does not include the JS in the body' do
expect(last_response.body.include?('/mini-profiler-resources/includes.js')).to be(false)
end
end
describe 'with a SCRIPT_NAME' do
before do
get '/html', nil, 'SCRIPT_NAME' => '/test'
end
it 'has the JS in the body with the correct path' do
expect(last_response.body.include?('/test/mini-profiler-resources/includes.js')).to be(true)
end
end
describe 'within a rails engine' do
before do
get '/rails_engine'
end
it 'include the correct JS in the body' do
expect(last_response.body.include?('/rails_engine/mini-profiler-resources/includes.js')).not_to be(true)
expect(last_response.body.include?('src="/mini-profiler-resources/includes.js')).to be(true)
end
end
describe 'under passenger' do
before do
ENV['PASSENGER_BASE_URI'] = '/under_passenger'
end
after do
ENV['PASSENGER_BASE_URI'] = nil
end
it 'include the correct JS in the body' do
get '/under_passenger'
expect(last_response.body.include?('src="/under_passenger/mini-profiler-resources/includes.js')).to be(true)
end
end
describe 'configuration' do
it "should remove caching headers by default" do
get '/cached-resource'
expect(last_response.headers['X-MiniProfiler-Original-Cache-Control']).to eq('original-cache-control')
expect(last_response.headers['Cache-Control']).to include('no-store')
end
it "should not store the original cache header if not set" do
get '/html'
expect(last_response.headers).to_not have_key('X-MiniProfiler-Original-Cache-Control')
end
it "should strip if-modified-since on the way in" do
old_time = 1409326086
get '/cached-resource', {}, 'HTTP_IF_MODIFIED_SINCE' => old_time
expect(last_response.status).to equal(200)
end
describe 'with hotwire turbo drive support enabled' do
before do
Rack::MiniProfiler.config.enable_hotwire_turbo_drive_support = true
end
it 'should define data-turbo-permanent as true' do
get '/html'
expect(last_response.body).to include('data-turbo-permanent="true"')
end
end
describe 'with caching re-enabled' do
before :each do
Rack::MiniProfiler.config.disable_caching = false
end
it "should strip if-modified-since on the way in" do
old_time = 1409326086
get '/cached-resource', {}, 'HTTP_IF_MODIFIED_SINCE' => old_time
expect(last_response.status).to equal(304)
end
it "should be able to re-enable caching" do
get '/cached-resource'
expect(last_response.headers['X-MiniProfiler-Original-Cache-Control']).to eq('original-cache-control')
expect(last_response.headers['Cache-Control']).not_to include('no-store')
end
end
it "doesn't add MiniProfiler if the callback fails" do
Rack::MiniProfiler.config.pre_authorize_cb = lambda { |env| false }
get '/html'
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(false)
end
it "skips paths listed" do
Rack::MiniProfiler.config.skip_paths = ['/path/', '/path2/']
get '/path2/a'
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(false)
get '/path1/a'
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(true)
end
it "skip_paths can contain regular expressions" do
Rack::MiniProfiler.config.skip_paths = [/path[^1]/]
get '/path2/a'
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(false)
get '/path1/a'
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(true)
end
it 'disables default functionality' do
Rack::MiniProfiler.config.enabled = false
get '/html'
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(false)
end
end
def load_prof(response)
id = response.headers['X-MiniProfiler-Ids']
id = id.split(",")[0]
Rack::MiniProfiler.config.storage_instance.load(id)
end
describe 'special options' do
it "omits db backtrace if requested" do
get '/db?pp=no-backtrace'
prof = load_prof(last_response)
stack = prof[:root][:sql_timings][0][:stack_trace_snippet]
expect(stack).to be_nil
end
it 'disables functionality if requested' do
get '/html?pp=disable'
expect(last_response.body).not_to include('/mini-profiler-resources/includes.js')
end
context 'when disabled' do
before(:each) do
get '/html?pp=disable'
get '/html'
expect(last_response.body).not_to include('/mini-profiler-resources/includes.js')
end
it 're-enables functionality if requested' do
get '/html?pp=enable'
expect(last_response.body).to include('/mini-profiler-resources/includes.js')
end
it "does not re-enable functionality if not explicitly allowed" do
Rack::MiniProfiler.config.authorization_mode = :allow_authorized
get '/html?pp=enable'
get '/html?pp=enable'
expect(last_response.body).not_to include('/mini-profiler-resources/includes.js')
end
it "re-enabled functionality if explicitly allowed" do
Rack::MiniProfiler.config.authorization_mode = :allow_authorized
get '/explicitly-allowed-html?pp=enable'
get '/explicitly-allowed-html?pp=enable'
expect(last_response.body).to include('/mini-profiler-resources/includes.js')
end
end
describe 'env dump' do
it 'works when advanced tools are enabled' do
Rack::MiniProfiler.config.enable_advanced_debugging_tools = true
get '/html?pp=env'
expect(last_response.body).to include('QUERY_STRING')
expect(last_response.body).to include('CONTENT_LENGTH')
end
it 'works via HTTP header' do
Rack::MiniProfiler.config.enable_advanced_debugging_tools = true
get '/html', nil, { 'HTTP_X_RACK_MINI_PROFILER' => 'env' }
expect(last_response.body).to include('QUERY_STRING')
expect(last_response.body).to include('CONTENT_LENGTH')
end
end
end
describe 'POST followed by GET' do
it "should end up with 2 ids" do
post '/post'
get '/html'
ids = last_response.headers['X-MiniProfiler-Ids']
expect(ids.split(",").length).to eq(2)
end
end
describe 'authorization mode :allow_authorized' do
before do
Rack::MiniProfiler.config.authorization_mode = :allow_authorized
end
it "should ban requests that are not explicitly allowed" do
get '/html'
expect(last_response.headers['X-MiniProfiler-Ids']).to be_nil
end
it "should allow requests that are explicitly allowed" do
get '/explicitly-allowed'
# second time will ensure cookie is set
# first time around there is no cookie, so no profiling
get '/explicitly-allowed'
expect(last_response.headers['X-MiniProfiler-Ids']).not_to be_nil
end
end
describe 'gc profiler' do
it "should return a report" do
get '/html?pp=profile-gc'
expect(last_response.header['Content-Type']).to include('text/plain')
end
it "should return a report when an HTTP header is used" do
get '/html', nil, { 'HTTP_X_RACK_MINI_PROFILER' => 'profile-gc' }
expect(last_response.header['Content-Type']).to include('text/plain')
end
end
describe 'error handling when storage_instance fails to save' do
it "should recover gracefully" do
Rack::MiniProfiler.config.pre_authorize_cb = lambda { |env| true }
allow_any_instance_of(Rack::MiniProfiler::MemoryStore).to receive(:save) { raise "This error" }
expect(Rack::MiniProfiler.config.storage_failure).to receive(:call)
get '/html'
end
end
describe 'when profiler is disabled by default' do
before(:each) do
Rack::MiniProfiler.config.enabled = false
get '/html'
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(false)
end
it 'functionality can be re-enabled' do
get '/html?pp=enable'
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(true)
get '/html'
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(true)
end
end
context 'snapshots sampling' do
before(:each) do
Rack::MiniProfiler.config.tap do |c|
c.authorization_mode = :allow_authorized
c.snapshot_every_n_requests = 1
end
end
after(:each) do
Rack::MiniProfiler.reset_config
end
it 'does not take snapshots of paths in skip_paths' do
config = Rack::MiniProfiler.config
config.skip_paths = ['/path2/a']
get '/path2/a'
expect(Rack::MiniProfiler.config.storage_instance.snapshots_overview).to eq([])
end
it 'takes snapshots of requests that fail the pre_authorize_cb check' do
Rack::MiniProfiler.config.pre_authorize_cb = lambda { |env| false }
get '/path2/a'
data = Rack::MiniProfiler.config.storage_instance.snapshots_overview
expect(data.size).to eq(1)
expect(last_response.body.include?('/mini-profiler-resources/includes.js')).to be(false)
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(false)
expect(data[0][:name]).to eq("GET /path2/a")
end
it 'takes snapshots of requests that do not have valid token in cookie' do
Rack::MiniProfiler.config.pre_authorize_cb = lambda { |env| true }
get '/path2/a'
data = Rack::MiniProfiler.config.storage_instance.snapshots_overview
expect(last_response.body.include?('/mini-profiler-resources/includes.js')).to be(false)
expect(last_response.headers.has_key?('X-MiniProfiler-Ids')).to be(false)
expect(data.size).to eq(1)
end
it 'does not take snapshots of requests that have valid token in cookie' do
Rack::MiniProfiler.config.pre_authorize_cb = lambda { |env| true }
get '/explicitly-allowed-html'
cookies = last_response.set_cookie_header
get '/path2/a', nil, { cookie: cookies } # no snapshot here
data = Rack::MiniProfiler.config.storage_instance.snapshots_overview
expect(data.size).to eq(1)
expect(data[0][:name]).to eq("GET /explicitly-allowed-html")
end
it 'respects snapshot_every_n_requests config' do
Rack::MiniProfiler.config.snapshot_every_n_requests = 2
get '/path2/a'
get '/path2/a'
get '/path2/a'
get '/path2/a'
store = Rack::MiniProfiler.config.storage_instance
groups = store.snapshots_overview
expect(groups.size).to eq(1)
group_name = "GET /path2/a"
expect(groups[0][:name]).to eq(group_name)
expect(store.snapshots_group(group_name).size).to eq(2)
end
it 'does not take snapshots for non-2xx requests' do
Rack::MiniProfiler.config.snapshot_every_n_requests = 1
get '/path/that/doesnot/exist' # 404
get '/post' # 302
get '/notallowed' # 403
get '/whoopsie-daisy' # 500
post '/create' # 201
groups = Rack::MiniProfiler.config.storage_instance.snapshots_overview
expect(groups.size).to eq(1)
expect(groups[0][:name]).to eq("POST /create")
end
it 'custom fields are reset between requests' do
get '/test-snapshots-custom-fields?field1=value1&field2=value2'
store = Rack::MiniProfiler.config.storage_instance
group_name = "GET /test-snapshots-custom-fields"
id1 = store.snapshots_group(group_name).first[:id]
snapshot1 = store.load_snapshot(id1, group_name)
get '/test-snapshots-custom-fields?field3=value3&field4=value4'
id2 = store.snapshots_group(group_name).find { |s| s[:id] != id1 }[:id]
snapshot2 = store.load_snapshot(id2, group_name)
expect(snapshot1[:custom_fields]).to eq(
{ "field1" => "value1", "field2" => "value2" }
)
expect(snapshot2[:custom_fields]).to eq(
{ "field3" => "value3", "field4" => "value4" }
)
end
end
context 'snapshots page' do
it 'allows only authorized users to access it' do
base_url = Rack::MiniProfiler.config.base_url_path
Rack::MiniProfiler.config.authorization_mode = :allow_authorized
get "#{base_url}snapshots"
expect(last_response.status).to eq(404)
expect(last_response.body).to eq("Not Found: /mini-profiler-resources/snapshots")
get '/explicitly-allowed-html'
cookies = last_response.set_cookie_header
get "#{base_url}snapshots", nil, { cookie: cookies }
expect(last_response.status).to eq(200)
expect(last_response.body).to include('id="snapshots-data"')
end
it 'without group_name param it sends groups list in response' do
base_url = Rack::MiniProfiler.config.base_url_path
# initial request to initialize storage_instance
get "#{base_url}snapshots"
store = Rack::MiniProfiler.config.storage_instance
struct = Rack::MiniProfiler::TimerStruct::Page.new({
'PATH_INFO' => '/some/path/here',
'REQUEST_METHOD' => 'POST'
})
struct[:root].record_time(1342.314242)
group_name = "POST /some/path/here"
store.push_snapshot(struct, group_name, Rack::MiniProfiler.config)
get "#{base_url}snapshots"
expect(last_response.body).to include('id="snapshots-data"')
expect(last_response.body).to include("/some/path/here")
expect(last_response.body).to include(group_name)
expect(last_response.body).to include("1342.314242")
end
it 'with group_name params it sends a list of snapshots of the given group' do
base_url = Rack::MiniProfiler.config.base_url_path
# initial request to initialize storage_instance
get "#{base_url}snapshots"
store = Rack::MiniProfiler.config.storage_instance
struct1 = Rack::MiniProfiler::TimerStruct::Page.new({
'PATH_INFO' => '/some/path/here',
'REQUEST_METHOD' => 'POST'
})
struct1[:root].record_time(1342.314242)
struct2 = Rack::MiniProfiler::TimerStruct::Page.new({
'PATH_INFO' => '/another/path/here',
'REQUEST_METHOD' => 'DELETE'
})
struct2[:root].record_time(8342.08342)
struct3 = Rack::MiniProfiler::TimerStruct::Page.new({
'PATH_INFO' => '/another/path/here',
'REQUEST_METHOD' => 'DELETE'
})
struct3[:root].record_time(3084.803185)
store.push_snapshot(
struct1,
"POST /some/path/here",
Rack::MiniProfiler.config
)
store.push_snapshot(
struct2,
"DELETE /another/path/here",
Rack::MiniProfiler.config
)
store.push_snapshot(
struct3,
"DELETE /another/path/here",
Rack::MiniProfiler.config
)
qs = Rack::Utils.build_query({ group_name: "DELETE /another/path/here" })
get "#{base_url}snapshots?#{qs}"
expect(last_response.body).to include("<title>Rack::MiniProfiler Snapshots</title>")
expect(last_response.body).to include('id="snapshots-data"')
expect(last_response.body).to include(struct2[:id])
expect(last_response.body).to include(struct3[:id])
expect(last_response.body).to include("DELETE /another/path/here")
expect(last_response.body).to include("3084.803185")
expect(last_response.body).to include("8342.08342")
expect(last_response.body).not_to include(struct1[:id])
expect(last_response.body).not_to include("1342.314242")
end
it 'individual snapshot can be viewed' do
base_url = Rack::MiniProfiler.config.base_url_path
# initial request to initialize storage_instance
get "#{base_url}snapshots"
store = Rack::MiniProfiler.config.storage_instance
struct = Rack::MiniProfiler::TimerStruct::Page.new({
'PATH_INFO' => '/some/path/here',
'REQUEST_METHOD' => 'POST'
})
struct[:root].record_time(1342.314242)
group_name = "POST /some/path/here"
store.push_snapshot(struct, group_name, Rack::MiniProfiler.config)
get "#{base_url}results?id=#{struct[:id]}&group=#{group_name}"
expect(last_response.status).to eq(200)
expect(last_response.body).to include(struct[:id])
expect(last_response.body).to include("1342.314242")
end
it 'when snapshot is not found a 404 response is given' do
base_url = Rack::MiniProfiler.config.base_url_path
get "#{base_url}results?id=nonsenseidhere&group=groupdoesnotexist"
expect(last_response.status).to eq(404)
expect(last_response.body).to eq("Snapshot with id 'nonsenseidhere' not found")
get "#{base_url}results?id=%22%3E%3Cqss%3E&group=groupdoesnotexist"
expect(last_response.status).to eq(404)
expect(last_response.body).to eq("Snapshot with id '"><qss>' not found"), "id should be escaped to prevent XSS"
end
end
describe 'when triggering via HTTP header' do
it 'can trigger the help option via an HTTP header' do
get '/html', nil, { 'HTTP_X_RACK_MINI_PROFILER' => 'help' }
expect(last_response.body).to include('This is the help menu')
end
end
end