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Add spec to test for rogue verbose/debug output from NameError.
See #3934 for some cases that were either warning or erroring incorrectly.
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spec/regression/GH-3934_nameerror_formatting_does_not_warn_or_raise_spec.rb
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require 'stringio' | ||
require 'tempfile' | ||
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describe "NameError created internally using a format string" do | ||
it "does not warn in verbose mode" do | ||
begin | ||
old_verbose, $VERBOSE = $VERBOSE, true | ||
old_stderr = $stderr.dup | ||
io = Tempfile.new('gh-3934') | ||
$stderr.reopen(io) | ||
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expect(->{DoesNotExist}).to raise_error(NameError) | ||
expect(->{String::DoesNotExist}).to raise_error(NameError) | ||
expect(->{String.remove_instance_variable(:@foo)}).to raise_error(NameError) | ||
expect(->{String.instance_variable_get(:foo)}).to raise_error(NameError) | ||
expect(->{String.remove_class_variable(:@@foo)}).to raise_error(NameError) | ||
expect(->{String.class_variable_get(:foo)}).to raise_error(NameError) | ||
expect(->{method_that_does_not_exist}).to raise_error(NameError) | ||
expect(->{method_that_does_not_exist(1,2,3)}).to raise_error(NoMethodError) | ||
io.rewind | ||
expect(io.read).to eq "" | ||
ensure | ||
$VERBOSE = old_verbose | ||
$stderr.reopen(old_stderr) | ||
end | ||
end | ||
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it "does not raise formatting errors in debug mode" do | ||
begin | ||
old_debug, $DEBUG = $DEBUG, true | ||
old_stderr = $stderr.dup | ||
io = Tempfile.new('gh-3934') | ||
$stderr.reopen(io) | ||
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expect(->{DoesNotExist}).to raise_error(NameError) | ||
expect(->{String::DoesNotExist}).to raise_error(NameError) | ||
expect(->{String.remove_instance_variable(:@foo)}).to raise_error(NameError) | ||
expect(->{String.instance_variable_get(:foo)}).to raise_error(NameError) | ||
expect(->{String.remove_class_variable(:@@foo)}).to raise_error(NameError) | ||
expect(->{String.class_variable_get(:foo)}).to raise_error(NameError) | ||
expect(->{method_that_does_not_exist}).to raise_error(NameError) | ||
expect(->{method_that_does_not_exist(1,2,3)}).to raise_error(NoMethodError) | ||
io.rewind | ||
expect(io.read).to eq "" | ||
ensure | ||
$VERBOSE = old_debug | ||
$stderr.reopen(old_stderr) | ||
end | ||
end | ||
end |