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Contents
require 'test_helper'
class Mathematical::MultiplesTest < MiniTest::Test
def setup
@render = Mathematical.new(:base64 => true)
end
def test_it_works_for_a_single_numbered_equation
string = '''
$$
\begin{equation}
f(x)=(x+a)(x+b)
\end{equation}
$$
'''
output = @render.render([string])
svg = output.first[:data]
assert_equal 1, svg.scan(/svg\+xml;/).size, 'should only contain one svg'
assert_match 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My', svg
end
def test_it_works_for_many_equations
inputs = []
(1..1000).each do |i|
string = """
$$
\\begin{equation}
f(#{i})=(x+a)(x+b)
\\end{equation}
$$
"""
inputs << string
end
output = @render.render(inputs)
assert_equal 1000, output.length
output.each do |data|
assert_match 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My', data[:data]
end
end
def test_it_properly_accounts_for_equations
# seems to barf on Travis
skip if TRAVIS_MACOS
inputs = []
(1..2).each do |i|
string = """
$$
\\begin{equation}
f(#{i})=(x+a)(x+b)
\\end{equation}
$$
"""
inputs << string
end
inputs.insert(1, '$test$')
render = Mathematical.new({:format => :png})
output = render.render(inputs)
assert_equal 3, output.length
output.each_with_index do |data_hash, i|
header = data_hash[:data].unpack('H*').first.slice(0, 18)
File.open("#{fixtures_dir}/png/numeric_test_#{i + 1}.png", 'w') { |f| f.write(data_hash[:data])}
file_bytes =
assert_equal header, '89504e470d0a1a0a00'
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems