diff options
Diffstat (limited to 'spec/support/matchers/benchmark_matchers.rb')
-rw-r--r-- | spec/support/matchers/benchmark_matchers.rb | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/spec/support/matchers/benchmark_matchers.rb b/spec/support/matchers/benchmark_matchers.rb deleted file mode 100644 index 84f655c2119..00000000000 --- a/spec/support/matchers/benchmark_matchers.rb +++ /dev/null @@ -1,61 +0,0 @@ -module BenchmarkMatchers - extend RSpec::Matchers::DSL - - def self.included(into) - into.extend(ClassMethods) - end - - matcher :iterate_per_second do |min_iterations| - supports_block_expectations - - match do |block| - @max_stddev ||= 30 - - @entry = benchmark(&block) - - expect(@entry.ips).to be >= min_iterations - expect(@entry.stddev_percentage).to be <= @max_stddev - end - - chain :with_maximum_stddev do |value| - @max_stddev = value - end - - description do - "run at least #{min_iterations} iterations per second" - end - - failure_message do - ips = @entry.ips.round(2) - stddev = @entry.stddev_percentage.round(2) - - "expected at least #{min_iterations} iterations per second " \ - "with a maximum stddev of #{@max_stddev}%, instead of " \ - "#{ips} iterations per second with a stddev of #{stddev}%" - end - end - - # Benchmarks the given block and returns a Benchmark::IPS::Report::Entry. - def benchmark(&block) - report = Benchmark.ips(quiet: true) do |bench| - bench.report do - instance_eval(&block) - end - end - - report.entries[0] - end - - module ClassMethods - # Wraps around rspec's subject method so you can write: - # - # benchmark_subject { SomeClass.some_method } - # - # instead of: - # - # subject { -> { SomeClass.some_method } } - def benchmark_subject(&block) - subject { block } - end - end -end |