Test::Unit::PdfMatcher

This gem provides assert_match_pdf assertion by PdfMatcher to Test::Unit.

Prerequisites

This gem requires diff-pdf. See the documentation of PdfMatcher for details.

Installation

Add this line to your application's Gemfile:

gem 'test-unit-pdf_matcher'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install test-unit-pdf_matcher

Usage

Add this line to your test_helper.rb:

require 'test/unit/pdf_matcher`

assert_match_pdf

assert_match_pdf pdf1_data, pdf2_data
assert_match_pdf '/path/to/1.pdf', '/path/to/2.pdf'
assert_match_pdf Pathnae('/path/to/1.pdf'), Pathname('/path/to/2.pdf')

You can generate a difference PDF by output_diff_path option:

assert_match_pdf pdf1_data, pdf2_data, output_diff_path: '/path/to/diff.pdf'

Configuring diff-pdf command options

::PdfMatcher.config.diff_pdf_opts = %w(--dpi=300 --grayscale)

See diff-pdf --help for the available diff-pdf options.

License

The gem is available as open source under the terms of the MIT License.