wkh
df8bcdfaf1
- doc/handbuch.txt: OCR-Text des COHERENT-/rdb-Handbuchs - demo/handbuch/ und test/handbuch_test.rb: Beispiele aus dem Lehrbuchteil, mise run test führt sie mit aus - search/seek: Schlüsselspalten aus dem Kopf der Schlüsseltabelle - gregorian -u ohne führende Null im Monat, mean ganzzahlig ohne .00 - Mit justify aufgefüllte Spaltennamen werden wieder gefunden - coherent.pdf in .gitignore
80 lines
2.4 KiB
Ruby
80 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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require 'minitest/autorun'
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require 'open3'
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require 'tmpdir'
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require 'fileutils'
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# Runs the examples from the printed handbook (demo/handbuch/beispiele.txt) and
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# compares each output with the one printed in the book. Whitespace does not
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# count: the book aligns columns with spaces, we write tabs.
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class HandbuchTest < Minitest::Test
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ROOT = File.expand_path('..', __dir__)
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DIR = File.join(ROOT, 'demo', 'handbuch')
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Example = Struct.new(:dir, :title, :cmd, :expected, :deviation)
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def self.examples
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list = []
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dir = '.'
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title = nil
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deviation = nil
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cur = nil
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lines = File.readlines(File.join(DIR, 'beispiele.txt'), chomp: true)
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until lines.empty?
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line = lines.shift
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if line.start_with?('$ ')
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cmd = line[2..]
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cmd += "\n" + lines.shift while cmd.match?(/[|\\]\s*\z/) && lines.any?
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cur = Example.new(dir, title, cmd, [], deviation)
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list << cur
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elsif line.start_with?('@ ')
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dir = line[2..].strip
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cur = nil
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elsif line.start_with?('## ')
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title = line[3..]
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deviation = nil
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cur = nil
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elsif line.start_with?('! ')
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deviation = line[2..]
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elsif line.start_with?('#')
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next
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elsif cur
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cur.expected << line
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end
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end
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list
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end
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# Cells without whitespace; dash runs count as one dash; blank lines drop out.
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def self.normalize(lines)
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lines.map { |l| l.split.map { |w| w.match?(/\A-+\z/) ? '-' : w }.join(' ') }.reject(&:empty?)
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end
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def run_example(ex, scratch)
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env = { 'PATH' => "#{File.join(ROOT, 'bin')}:#{ENV['PATH']}" }
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out, _st = Open3.capture2e(env, 'sh', '-c', ex.cmd, chdir: File.join(scratch, ex.dir), stdin_data: '')
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out.lines(chomp: true)
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end
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def test_examples_from_the_book
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failures = []
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fixed = []
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Dir.mktmpdir('rdb-handbuch') do |scratch|
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FileUtils.cp_r(Dir[File.join(DIR, '*')], scratch)
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self.class.examples.each do |ex|
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got = self.class.normalize(run_example(ex, scratch))
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next if ex.expected.empty?
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want = self.class.normalize(ex.expected)
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if ex.deviation
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fixed << "#{ex.title}: stimmt jetzt mit dem Buch überein, '!' entfernen" if got == want
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elsif got != want
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failures << "#{ex.title}\n $ #{ex.cmd}\n Buch: #{want.inspect}\n erhalten: #{got.inspect}"
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end
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end
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end
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assert_empty failures + fixed, (failures + fixed).join("\n\n")
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end
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end
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