Class: RSpec::Support::StdErrSplitter

Inherits:
Object
  • Object
show all
Defined in:
lib/rspec/support/spec/stderr_splitter.rb

Instance Method Summary collapse

Constructor Details

#initialize(original) ⇒ StdErrSplitter

Returns a new instance of StdErrSplitter.



6
7
8
9
# File 'lib/rspec/support/spec/stderr_splitter.rb', line 6

def initialize(original)
  @orig_stderr    = original
  @output_tracker = ::StringIO.new
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object



16
17
18
19
# File 'lib/rspec/support/spec/stderr_splitter.rb', line 16

def method_missing(name, *args, &block)
  @output_tracker.__send__(name, *args, &block) if @output_tracker.respond_to?(name)
  @orig_stderr.__send__(name, *args, &block)
end

Instance Method Details

#==(other) ⇒ Object



21
22
23
# File 'lib/rspec/support/spec/stderr_splitter.rb', line 21

def ==(other)
  @orig_stderr == other
end

#has_output?Boolean

Returns:

  • (Boolean)


45
46
47
# File 'lib/rspec/support/spec/stderr_splitter.rb', line 45

def has_output?
  !output.empty?
end

#outputObject



58
59
60
# File 'lib/rspec/support/spec/stderr_splitter.rb', line 58

def output
  @output_tracker.string
end

#reopen(*args) ⇒ Object



25
26
27
28
# File 'lib/rspec/support/spec/stderr_splitter.rb', line 25

def reopen(*args)
  reset!
  @orig_stderr.reopen(*args)
end

#reset!Object



49
50
51
# File 'lib/rspec/support/spec/stderr_splitter.rb', line 49

def reset!
  @output_tracker = ::StringIO.new
end

#to_ioObject

To work around JRuby error: can’t convert RSpec::Support::StdErrSplitter into String



32
33
34
# File 'lib/rspec/support/spec/stderr_splitter.rb', line 32

def to_io
  @orig_stderr.to_io
end

#verify_no_warnings!Object



53
54
55
56
# File 'lib/rspec/support/spec/stderr_splitter.rb', line 53

def verify_no_warnings!
  raise "Warnings were generated: #{output}" if has_output?
  reset!
end

#write(line) ⇒ Object

To work around JRuby error: TypeError: $stderr must have write method, RSpec::StdErrSplitter given



38
39
40
41
42
43
# File 'lib/rspec/support/spec/stderr_splitter.rb', line 38

def write(line)
  return if line =~ %r{^\S+/gems/\S+:\d+: warning:} # http://rubular.com/r/kqeUIZOfPG

  @orig_stderr.write(line)
  @output_tracker.write(line)
end