#encoding: utf-8 require 'rspec' require 'asciimath' TEST_CASES = { 'x+b/(2a)<+-sqrt((b^2)/(4a^2)-c/a)' => { :mathml => '

x + \frac{b}{2 a} < \pm \sqrt{\frac{b^{2}}{4 a^{2}} - \frac{c}{a}}

', :html => nil, }, 'a^2 + b^2 = c^2' => { :mathml => '

a^{2} + b^{2} = c^{2}

', :html => '

a 2 舅 + b 2 舅 = c 2 舅

', }, 'x = (-b+-sqrt(b^2-4ac))/(2a)' => { :mathml => '

x = \frac{- b \pm \sqrt{b^{2} -4 a c}}{2 a}

', :html => nil }, 'm = (y_2 - y_1)/(x_2 - x_1) = (Deltay)/(Deltax)' => { :mathml => '

m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}} = \frac{Δ y}{Δ x}

', :html => '

m = 舅 y 舅 2 - y 舅 1 x 舅 2 - x 舅 1 = 舅 Δ y Δ x

' }, 'f\'(x) = lim_(Deltax->0)(f(x+Deltax)-f(x))/(Deltax)' => { :mathml => '

f \' (x) = lim_{Δ x \to 0} \frac{f (x + Δ x) - f (x)}{Δ x}

', :html => '

f\'(x)=舅舅limΔx→0舅f(x+Δx)−f(x)Δx

' }, 'd/dx [x^n] = nx^(n - 1)' => { :mathml => '

\frac{d}{dx} [x^{n}] = n x^{n - 1}

', :html => '

舅 d dx [x n 舅] = n x n - 1 舅

' }, 'int_a^b f(x) dx = [F(x)]_a^b = F(b) - F(a)' => { :mathml => '

\int_{a}^{b} f (x) dx = {[F (x)]}_{a}^{b} = F (b) - F (a)

', :html => '

\int b a f (x) dx = [F (x)] b a = F (b) - F (a)

' }, 'int_a^b f(x) dx = f(c)(b - a)' => { :mathml => '

\int_{a}^{b} f (x) dx = f (c) (b - a)

', :html => '

\int b a f (x) dx = f (c) (b - a)

' }, 'ax^2 + bx + c = 0' => { :mathml => '

a x^{2} + b x + c = 0

', :html => '

a x 2 舅 + b x + c = 0

' }, '"average value"=1/(b-a) int_a^b f(x) dx' => { :mathml => '

average value = \frac{1}{b - a} \int_{a}^{b} f (x) dx

', :html => '

average value = 舅 1 b - a \int b a f (x) dx

' }, 'd/dx[int_a^x f(t) dt] = f(x)' => { :mathml => '

\frac{d}{dx} [\int_{a}^{x} f (t) dt] = f (x)

', :html => '

舅 d dx [\int x a f (t) dt] = f (x)

' }, 'hat(ab) bar(xy) ul(A) vec(v)' => { :mathml => '

\hat{a b} \bar{x y} \underline{A} \vec{v}

', :html => '

舅^(a b) 舅 舅 ¯ (x y) 舅 舅 舅 (A)_舅 \to (v) 舅

' }, 'z_12^34' => { :mathml => '

z_{12}^{34}

', :html => '

z 3412

' }, 'lim_(x->c)(f(x)-f(c))/(x-c)' => { :mathml => '

lim_{x \to c} \frac{f (x) - f (c)}{x - c}

', :html => '

舅 舅 lim x \to c 舅 f (x) - f (c) x - c

' }, 'int_0^(pi/2) g(x) dx' => { :mathml => '

\int_{0}^{\frac{π}{2}} g (x) dx

', :html => '

\int 舅 π 2 0 g (x) dx

' }, 'sum_(n=0)^oo a_n' => { :mathml => '

\sum_{n = 0}^{\infty} a_{n}

', :html => '

舅 \infty \sum n = 0 a 舅 n

' }, '((1,2,3),(4,5,6),(7,8,9))' => { :mathml => '

(\begin{matrix} 1 & 2 & 3 \\ 4 & 5 & 6 \\ 7 & 8 & 9 \end{matrix})

', :html => '

(123456789)

' }, '|(a,b),(c,d)|=ad-bc' => { :mathml => '

| \begin{matrix} a & b \\ c & d \end{matrix} | = a d - b c

', :html => '

| a b c d | = a d - b c

' }, '((a_(11), cdots , a_(1n)),(vdots, ddots, vdots),(a_(m1), cdots , a_(mn)))' => { :mathml => '

(\begin{matrix} a_{11} & \dots & a_{1 n} \\ ⋮ & ⋱ & ⋮ \\ a_{m 1} & \dots & a_{m n} \end{matrix})

', :html => '

(a 舅 11 \dots a 舅 1 n ⋮ ⋱ ⋮ a 舅 m 1 \dots a 舅 m n)

' }, 'sum_(k=1)^n k = 1+2+ cdots +n=(n(n+1))/2' => { :mathml => '

\sum_{k = 1}^{n} k = 1 + 2 + \dots + n = \frac{n (n + 1)}{2}

', :html => '

舅 n \sum k = 1 k = 1 + 2 + \dots + n = 舅 n (n + 1) 2

' }, '"Скорость"=("Расстояние")/("Время")' => { :mathml => '

Скорость = \frac{Расстояние}{Время}

', :html => '

Скорость = 舅 Расстояние Время

' }, 'bb (a + b) + cc c = fr (d^n)' => { :mathml => '

a + b + c = d^{n}

', :html => nil }, 'max()' => { :mathml => '

\max ()

', :html => '

max ()

' }, 'text("foo")' => { :mathml => '

"foo"

', :html => '

"foo"

' }, 'ubrace(1 + 2) obrace(3 + 4' => { :mathml => '

\underset{⏟}{1 + 2} \overset{⏞}{3 + 4}

' } } version = RUBY_VERSION.split('.').map { |s| s.to_i } if version[0] > 1 || version[1] > 8 TEST_CASES['Скорость=(Расстояние)/(Время)'] = { :mathml => '

С к о р о с т ь = \frac{Р а с с т о я н и е}{В р е м я}

', :html => '

С к о р о с т ь = 舅 Р а с с т о я н и е В р е м я

' } end module AsciiMathHelper def expect_mathml(asciimath, mathml) expect(AsciiMath.parse(asciimath).to_mathml).to eq(mathml) end def expect_html(asciimath, html) expect(AsciiMath.parse(asciimath).to_html).to eq(html) end end RSpec.configure do |c| c.include AsciiMathHelper end describe "AsciiMath::MathMLBuilder" do TEST_CASES.each_pair do |asciimath, output| it "should produce identical output to asciimathml.js for '#{asciimath}'" do expect_mathml(asciimath, output[:mathml]) end if output[:html] it "should produce html that looks like the output from asciimathml.js for '#{asciimath}'" do expect_html(asciimath, output[:html]) end end end it 'should not generate mo elements for {: and :}' do expect_mathml '{:(a,b),(c,d):}', '

\begin{matrix} a & b \\ c & d \end{matrix}

' end end