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# frozen_string_literal: true
require "generators/generators_test_helper"
require "rails/generators/rails/benchmark/benchmark_generator"
module Rails
module Generators
class BenchmarkGeneratorTest < Rails::Generators::TestCase
include GeneratorsTestHelper
setup do
copy_gemfile
end
test "generate benchmark" do
run_generator ["my_benchmark"]
assert_file("Gemfile") do |content|
assert_match "gem \"benchmark-ips\"", content
end
assert_file("script/benchmarks/my_benchmark.rb") do |content|
assert_equal <<~RUBY, content
# frozen_string_literal: true
require_relative "../../config/environment"
# Any benchmarking setup goes here...
Benchmark.ips do |x|
x.report("before") { }
x.report("after") { }
x.compare!
end
RUBY
end
end
test "generate benchmark with no name" do
output = capture(:stderr) do
run_generator []
end
assert_equal <<~MSG, output
No value provided for required arguments 'name'
MSG
end
test "generate benchmark with reports" do
run_generator ["my_benchmark", "with_patch", "without_patch"]
assert_file("script/benchmarks/my_benchmark.rb") do |content|
assert_equal <<~RUBY, content
# frozen_string_literal: true
require_relative "../../config/environment"
# Any benchmarking setup goes here...
Benchmark.ips do |x|
x.report("with_patch") { }
x.report("without_patch") { }
x.compare!
end
RUBY
end
end
test "generate benchmark twice only adds ips gem once" do
run_generator ["my_benchmark"]
run_generator ["my_benchmark"]
assert_file("Gemfile") do |content|
occurrences = content.scan("gem \"benchmark-ips\"").count
assert_equal 1, occurrences, "Should only have benchmark-ips present once"
end
end
end
end
end
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