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ruby--ruby/spec/ruby/core/tracepoint/new_spec.rb
2020-05-31 18:22:49 +02:00

72 lines
2 KiB
Ruby

require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe 'TracePoint.new' do
it 'returns a new TracePoint object, not enabled by default' do
TracePoint.new(:line) {}.enabled?.should be_false
end
it 'includes :line event when event is not specified' do
event_name = nil
TracePoint.new { |tp|
next unless TracePointSpec.target_thread?
event_name = tp.event
}.enable do
event_name.should equal(:line)
event_name = nil
TracePointSpec.test
event_name.should equal(:line)
event_name = nil
TracePointSpec::B.new.foo
event_name.should equal(:line)
end
end
it 'converts given event name as string into symbol using to_sym' do
event_name = nil
(o = mock('line')).should_receive(:to_sym).and_return(:line)
TracePoint.new(o) { |tp|
next unless TracePointSpec.target_thread?
event_name = tp.event
}.enable do
line_event = true
event_name.should == :line
end
end
it 'includes multiple events when multiple event names are passed as params' do
event_name = nil
TracePoint.new(:end, :call) do |tp|
next unless TracePointSpec.target_thread?
event_name = tp.event
end.enable do
TracePointSpec.test
event_name.should equal(:call)
TracePointSpec::B.new.foo
event_name.should equal(:call)
class TracePointSpec::B; end
event_name.should equal(:end)
end
end
it 'raises a TypeError when the given object is not a string/symbol' do
o = mock('123')
-> { TracePoint.new(o) {} }.should raise_error(TypeError)
o.should_receive(:to_sym).and_return(123)
-> { TracePoint.new(o) {} }.should raise_error(TypeError)
end
it 'expects to be called with a block' do
-> { TracePoint.new(:line) }.should raise_error(ArgumentError, "must be called with a block")
end
it "raises a Argument error when the given argument doesn't match an event name" do
-> { TracePoint.new(:test) }.should raise_error(ArgumentError, "unknown event: test")
end
end