mirror of
https://github.com/NixOS/mobile-nixos.git
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103 lines
2.7 KiB
Ruby
Executable File
103 lines
2.7 KiB
Ruby
Executable File
#!/usr/bin/env nix-shell
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# All dependencies `verify` will need too.
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#!nix-shell --pure -p nix -p ruby -p file -i ruby
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require "tmpdir"
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require "open3"
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require "json"
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# require "fileutils"
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prefix = File.join(__dir__, "tests")
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NIX_PATH = "nixpkgs=channel:nixos-19.03:image-builder=#{__dir__}"
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# Default directives for the test.
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DEFAULT_DIRECTIVES = {
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# Default is to succeed.
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status: 0,
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# Nothing to grep for in particular.
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# (Caution! Successes are likely not to have logs!)
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grep: nil,
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}
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Env = {
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"NIX_PATH" => NIX_PATH,
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"TEST_MODE" => "yes",
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}
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# Assumes all nix files in `./tests` are tests to `nix-build`.
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tests = Dir.glob(File.join(prefix, "**/*.nix"))
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$exit = 0
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tests.each_with_index do |file, index|
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short_name = file.sub("#{prefix}/", "")
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print "Running test #{index+1}/#{tests.length} '#{short_name}' "
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failures = []
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# Reads the first line of the file. It may hold a json snippet
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# configuring the expected test results.
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directives = File.read(file).split("\n").first
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directives = DEFAULT_DIRECTIVES.merge(
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if directives.match(/^\s*#\s*expect:/i) then
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# Parse...
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JSON.parse(
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# Everything after the first colon as json
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directives.split(":", 2).last,
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symbolize_names: true,
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)
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else
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{}
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end
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)
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# The result symlink is in a temp directory...
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Dir.mktmpdir("image-builder-test") do |dir|
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result = File.join(dir, "result")
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# TODO : figure out how to keep stdout/stderr synced but logged separately.
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log, status = Open3.capture2e(Env, "nix-build", "--out-link", result, file)
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unless status.exitstatus == directives[:status]
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failures << "Build exited with status #{status.exitstatus} expected #{directives[:status]}."
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end
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if directives[:grep] then
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unless log.match(directives[:grep])
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failures << "Output log did not match `#{directives[:grep]}`."
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end
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end
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# Do we test further with the test scripts?
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if failures.length == 0 then
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script = file.sub(/\.nix$/, ".rb")
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if File.exists?(script) then
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log, status = Open3.capture2e(Env, File.join(__dir__, "lib/tests/verify.rb"), script, result)
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end
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unless status.exitstatus == 0
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failures << "Verification exited with status #{status.exitstatus} expected 0."
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end
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store_path = File.readlink(result)
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end
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if failures.length == 0 then
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puts "[Success] (#{store_path})"
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else
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$exit = 1
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puts "[Failed] (#{store_path || "no output"})"
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failures.each do |failure|
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puts " → #{failure}"
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end
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print "Directives: #{directives.inspect}"
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puts "\nOutput from the test:"
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puts "\n#{log}\n"
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end
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end
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end
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exit $exit
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