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test-bot: revise Step output transcoding and XML character filtering

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Closes #24.

Signed-off-by: Andrew Janke <andrew@apjanke.net>
This commit is contained in:
Andrew Janke 2016-04-04 01:43:43 -04:00
parent f8cdab7d8a
commit ceed6636d6
1 changed files with 26 additions and 15 deletions
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41
Library/Homebrew/cmd/test-bot.rb
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@ -9,16 +9,17 @@
# --skip-setup: Don't check the local system is setup correctly.
# --skip-homebrew: Don't check Homebrew's files and tests are all valid.
# --junit: Generate a JUnit XML test results file.
# --no-bottle: Run brew install without --build-bottle
# --no-bottle: Run brew install without --build-bottle.
# --keep-old: Run brew bottle --keep-old to build new bottles for a single platform.
# --legacy Bulid formula from legacy Homebrew/homebrew repo.
# --legacy Build formula from legacy Homebrew/homebrew repo.
# (TODO remove it when it's not longer necessary)
# --HEAD: Run brew install with --HEAD
# --local: Ask Homebrew to write verbose logs under ./logs/ and set HOME to ./home/
# --tap=<tap>: Use the git repository of the given tap
# --local: Ask Homebrew to write verbose logs under ./logs/ and set HOME to ./home/.
# --tap=<tap>: Use the git repository of the given tap.
# --dry-run: Just print commands, don't run them.
# --fail-fast: Immediately exit on a failing step.
# --verbose: Print out all logs in realtime
# --verbose: Print test step output in realtime. Has the side effect of passing output
# as raw bytes instead of re-encoding in UTF-8.
# --fast: Don't install any packages but run e.g. audit anyway.
#
# --ci-master: Shortcut for Homebrew master branch CI options.
@ -38,6 +39,10 @@ module Homebrew
BYTES_IN_1_MEGABYTE = 1024*1024
HOMEBREW_TAP_REGEX = %r{^([\w-]+)/homebrew-([\w-]+)$}
def ruby_has_encoding?
String.method_defined?(:force_encoding)
end
def resolve_test_tap
if tap = ARGV.value("tap")
return Tap.fetch(tap)
@ -142,7 +147,9 @@ module Homebrew
end
verbose = ARGV.verbose?
@output = ""
# Step may produce arbitrary output and we read it bytewise, so must
# buffer it as binary and convert to UTF-8 once complete
output = Homebrew.ruby_has_encoding? ? "".encode!("BINARY") : ""
working_dir = Pathname.new(@command.first == "git" ? @repository : Dir.pwd)
read, write = IO.pipe
@ -155,13 +162,14 @@ module Homebrew
working_dir.cd { exec(*@command) }
end
write.close
while buf = read.read(1)
while buf = read.readpartial(4096)
if verbose
print buf
$stdout.flush
end
@output << buf
output << buf
end
rescue EOFError
ensure
read.close
end
@ -171,8 +179,9 @@ module Homebrew
@status = $?.success? ? :passed : :failed
puts_result
if has_output?
@output = fix_encoding(@output)
unless output.empty?
@output = fix_encoding(output)
puts @output if (failed? || @puts_output_on_success) && !verbose
File.write(log_file_path, @output) if ARGV.include? "--keep-logs"
end
@ -182,11 +191,11 @@ module Homebrew
private
if String.method_defined?(:force_encoding)
if Homebrew.ruby_has_encoding?
def fix_encoding(str)
return str if str.valid_encoding?
# Assume we are starting from a "mostly" UTF-8 string
str.force_encoding(Encoding::UTF_8)
return str if str.valid_encoding?
str.encode!(Encoding::UTF_16, :invalid => :replace)
str.encode!(Encoding::UTF_8)
end
@ -944,11 +953,13 @@ module Homebrew
if step.has_output?
# Remove invalid XML CData characters from step output.
output = step.output.delete("\000\a\b\e\f\x2\x1f")
valid_xml_chars = "\x09\x0A\x0D\x20-\uD7FF\uE000-\uFFFD\u{10000}-\u{10FFFF}"
output = step.output.gsub(/[^#{valid_xml_chars}]/, "\uFFFD")
if output.bytesize > BYTES_IN_1_MEGABYTE
output = "truncated output to 1MB:\n" \
+ output.slice(-BYTES_IN_1_MEGABYTE, BYTES_IN_1_MEGABYTE)
slice_start = [0, -BYTES_IN_1_MEGABYTE].max
output = "truncated output to ~1MB:\n" \
+ output.slice(slice_start, output.length - slice_start)
end
cdata = REXML::CData.new output