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require 'spec_helper'
##
# Dummy class, so that we can mix in the Logging module and test it.
#
class TestLogging
include Logging
end
describe Logging do
subject {TestLogging.new}
after do
Logging.silent = true
Logging.debug = false
Logging.trace = false
end
describe "when setting a custom logger" do
it "should not accept a logger object that is not sane" do
expect { Logging.logger = "" }.to raise_error(ArgumentError)
end
it "should accept a legit custom logger object" do
expect { Logging.logger = Logger.new(STDOUT) }.to_not raise_error
end
end
describe "logging routines (with a custom logger)" do
before :each do
@readpipe, @writepipe = IO.pipe
@custom_logger = Logger.new(@writepipe)
Logging.logger = @custom_logger
Logging.level = Logger::INFO
end
after :each do
[@readpipe, @writepipe].each do |pipe|
pipe.close if pipe
end
end
#
#
it "at log level DEBUG should output logs at debug level" do
Logging.debug = true
subject.log_debug("hi")
str = nil
expect { str = @readpipe.read_nonblock(512) }.to_not raise_error
expect(str).not_to be_nil
end
#
#
it "at log level NOT DEBUG should NOT output logs at debug level" do
Logging.debug = false
subject.log_debug("hiya")
expect do
@readpipe.read_nonblock(512)
end.to raise_error(IO::EAGAINWaitReadable)
end
#
#
it "should be usable (at the module level) for logging" do
expect(@custom_logger).to receive(:add)
Logging.log_msg("hey")
end
# These should be the last test we run for the 'log' functionality
#
it "should not log messages if silenced via module method" do
Logging.silent = true
subject.log_info("hola")
expect do
@readpipe.read_nonblock(512)
end.to raise_error(IO::EAGAINWaitReadable)
end
it "should not log anything if silenced via module methods" do
Logging.silent = true
Logging.log_msg("hi")
expect do
@readpipe.read_nonblock(512)
end.to raise_error(IO::EAGAINWaitReadable)
end
it "should not log anything if silenced via instance methods" do
subject.silent = true
subject.log_info("hello")
expect do
@readpipe.read_nonblock(512)
end.to raise_error(IO::EAGAINWaitReadable)
end
end # Logging tests (with custom logger)
describe "logging routines (with NO custom logger)" do
it "should log at debug level if debug logging is enabled " do
Logging.debug = true
out = with_redirected_stdout do
subject.log_debug("Hey")
end
expect(out.include?("Hey")).to be_truthy
expect(out.include?("DEBUG")).to be_truthy
end
it "should be usable (at the module level) for logging" do
out = with_redirected_stdout do
Logging.log_msg("Hey")
end
expect(out.include?("Hey")).to be_truthy
end
end
describe "trace routines (with custom trace logger)" do
before :each do
@custom_tracer = Logger.new(STDERR)
Logging.trace_logger = @custom_tracer
end
it "should NOT emit trace messages if tracing is disabled" do
Logging.trace = false
expect(@custom_tracer).not_to receive(:info)
subject.trace("howdy")
end
it "should emit trace messages when tracing is enabled" do
Logging.trace = true
expect(@custom_tracer).to receive(:info)
subject.trace("aloha")
end
end # Tracer tests (with custom tracer)
describe "tracing routines (with NO custom logger)" do
it "should emit trace messages if tracing is enabled " do
Logging.trace = true
out = with_redirected_stdout do
subject.trace("Hey")
end
expect(out.include?("Hey")).to be_truthy
end
it "should be usable (at the module level) for logging" do
Logging.trace = true
out = with_redirected_stdout do
Logging.trace_msg("hey")
end
expect(out.include?("hey")).to be_truthy
end
end # tracer tests (no custom logger)
end
|
