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require_relative '../../../spec_helper'
require_relative '../fixtures/common'
describe "Logger::LogDevice#write" do
before :each do
@file_path = tmp("test_log.log")
@log_file = File.open(@file_path, "w+")
# Avoid testing this with STDERR, we don't want to be closing that.
@device = Logger::LogDevice.new(@log_file)
end
after :each do
@log_file.close unless @log_file.closed?
rm_r @file_path
end
it "writes a message to the device" do
@device.write "This is a test message"
@log_file.rewind
@log_file.readlines.first.should == "This is a test message"
end
it "can create a file and writes empty message" do
path = tmp("you_should_not_see_me")
logdevice = Logger::LogDevice.new(path)
logdevice.write("")
logdevice.close
File.open(path) do |f|
messages = f.readlines
messages.size.should == 1
messages.first.should =~ /#.*/ # only a comment
end
rm_r path
end
ruby_version_is ""..."2.7" do
it "fails if the device is already closed" do
@device.close
-> { @device.write "foo" }.should complain(/\Alog writing failed\./)
end
end
ruby_version_is "2.7" do
it "fails if the device is already closed" do
@device.close
-> { @device.write "foo" }.should complain(/\Alog shifting failed\./)
end
end
end
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