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|
# frozen_string_literal: true
# Init FactoryProf and patch TestProf::FactoryBot, Fabrication
TestProf::FactoryProf.init
TestProf::FactoryProf.configure do |config|
# turn on stacks collection
config.mode = :flamegraph
config.include_variations = false
end
describe TestProf::FactoryProf, :transactional do
before { described_class.start }
after { described_class.stop }
after { TestProf::FactoryProf.config.include_variations = false }
# Ensure meta-queries have been performed
before(:all) { User.first }
def without_time(xs)
xs.map do |x|
expect(x.delete(:total_time)).to be_a(Float)
expect(x.delete(:top_level_time)).to be_a(Float)
x[:variations] = without_time(x[:variations]) unless x[:variations].nil?
x
end
end
describe "#print" do
let(:started_at) { Time.now }
subject(:print) { described_class.print(started_at) }
it "calls the default printer" do
expect(TestProf::FactoryProf::Printers::Simple).to receive(:dump)
print
end
context "when the printer is customized" do
let(:custom_printer) { double(dump: lambda { |result, start_time: nil| }) }
before do
described_class.configure do |config|
config.printer = custom_printer
end
end
it "calls the customer printer" do
expect(custom_printer).to receive(:dump)
print
end
end
end
describe "#result" do
subject(:result) { described_class.result }
context "when factory_bot used" do
it "has no stacks when no data created" do
TestProf::FactoryBot.build_stubbed(:user)
User.first
expect(result.stacks.size).to eq 0
end
it "contains simple stack" do
TestProf::FactoryBot.create(:user)
expect(result.stacks.size).to eq 1
expect(result.total_count).to eq 1
expect(result.stacks.first).to eq([:user])
end
it "handles associations" do
TestProf::FactoryBot.create(:post)
expect(result.stacks).to contain_exactly(
%i[post user]
)
expect(without_time(result.stats)).to eq(
[
{name: :post, total_count: 1, top_level_count: 1, variations: []},
{name: :user, total_count: 1, top_level_count: 0, variations: []}
]
)
end
it "contains many stacks with variations" do
TestProf::FactoryProf.config.include_variations = true
TestProf::FactoryBot.create_pair(:user)
TestProf::FactoryBot.create(:post)
TestProf::FactoryBot.create(:user, :with_posts)
expect(result.stacks.size).to eq 4
expect(result.total_count).to eq 9
expect(result.stacks).to contain_exactly(
[:user],
[:user],
%i[post user],
%i[user post user post user]
)
expect(without_time(result.stats)).to eq(
[
{name: :user, total_count: 6, top_level_count: 3, variations: [
{name: "-", top_level_count: 2, total_count: 5},
{name: :".with_posts", top_level_count: 1, total_count: 1}
]},
{name: :post, total_count: 3, top_level_count: 1, variations: [
{name: "-", top_level_count: 1, total_count: 3}
]}
]
)
end
end
context "when fabrication used" do
it "has no stacks when no data created" do
Fabricate.build(:user)
User.first
expect(result.stacks.size).to eq 0
end
it "contains simple stack" do
Fabricate.create(:user)
expect(result.stacks.size).to eq 1
expect(result.total_count).to eq 1
expect(result.stacks.first).to eq([:user])
end
it "contains many stacks with variations" do
TestProf::FactoryProf.config.include_variations = true
Fabricate.times(2, :user)
Fabricate.create(:post, text: "some text")
Fabricate.create(:user) { Fabricate.times(2, :post) }
expect(result.stacks.size).to eq 4
expect(result.total_count).to eq 9
expect(result.stacks).to contain_exactly(
[:user],
[:user],
%i[post user],
%i[user post user post user]
)
expect(without_time(result.stats)).to eq(
[
{name: :user, total_count: 6, top_level_count: 3, variations: [{name: "-", top_level_count: 3, total_count: 6}]},
{name: :post, total_count: 3, top_level_count: 1, variations: [
{name: "-", top_level_count: 0, total_count: 2},
{name: :"[text]", top_level_count: 1, total_count: 1}
]}
]
)
end
end
end
end
|
