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require_relative '../../spec_helper'
describe "Exception#full_message" do
it "returns formatted string of exception using the same format that is used to print an uncaught exceptions to stderr" do
e = RuntimeError.new("Some runtime error")
e.set_backtrace(["a.rb:1", "b.rb:2"])
full_message = e.full_message
full_message.should include "RuntimeError"
full_message.should include "Some runtime error"
full_message.should include "a.rb:1"
full_message.should include "b.rb:2"
end
it "supports :highlight option and adds escape sequences to highlight some strings" do
e = RuntimeError.new("Some runtime error")
full_message = e.full_message(highlight: true, order: :bottom)
full_message.should include "\e[1mTraceback\e[m (most recent call last)"
full_message.should include "\e[1mSome runtime error (\e[1;4mRuntimeError\e[m\e[1m)"
full_message = e.full_message(highlight: false, order: :bottom)
full_message.should include "Traceback (most recent call last)"
full_message.should include "Some runtime error (RuntimeError)"
end
it "supports :order option and places the error message and the backtrace at the top or the bottom" do
e = RuntimeError.new("Some runtime error")
e.set_backtrace(["a.rb:1", "b.rb:2"])
e.full_message(order: :top, highlight: false).should =~ /a.rb:1.*b.rb:2/m
e.full_message(order: :bottom, highlight: false).should =~ /b.rb:2.*a.rb:1/m
end
it "shows the caller if the exception has no backtrace" do
e = RuntimeError.new("Some runtime error")
e.backtrace.should == nil
full_message = e.full_message(highlight: false, order: :top)
full_message.should include("#{__FILE__}:#{__LINE__-1}:in `")
full_message.should include("': Some runtime error (RuntimeError)\n")
end
it "shows the exception class at the end of the first line of the message when the message contains multiple lines" do
begin
line = __LINE__; raise "first line\nsecond line"
rescue => e
full_message = e.full_message(highlight: false, order: :top).lines
full_message[0].should include("#{__FILE__}:#{line}:in `")
full_message[0].should include(": first line (RuntimeError)\n")
full_message[1].should == "second line\n"
end
end
it "contains cause of exception" do
begin
begin
raise 'the cause'
rescue
raise 'main exception'
end
rescue => e
exception = e
end
exception.full_message.should include "main exception"
exception.full_message.should include "the cause"
end
it 'contains all the chain of exceptions' do
begin
begin
begin
raise 'origin exception'
rescue
raise 'intermediate exception'
end
rescue
raise 'last exception'
end
rescue => e
exception = e
end
exception.full_message.should include "last exception"
exception.full_message.should include "intermediate exception"
exception.full_message.should include "origin exception"
end
end
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