37 lines
2.2 KiB
JavaScript
37 lines
2.2 KiB
JavaScript
import { imgSnapshotTest } from '../../helpers/util';
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describe('Katex', () => {
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it('1: should render a complex Katex flowchart no htmlLabels', () => {
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imgSnapshotTest(
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`graph LR
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A["$$f(\\relax{x}) = \\int_{-\\infty}^\\infty \\hat{f}(\\xi)\\,e^{2 \\pi i \\xi x}\\,d\\xi$$"] -->|"$$\\Bigg(\\bigg(\\Big(\\big((\\frac{-b\\pm\\sqrt{b^2-4ac}}{2a})\\big)\\Big)\\bigg)\\Bigg)$$"| B("$$1+\\frac{e^{-2\\pi}} {1+\\frac{e^{-4\\pi}} {1+\\frac{e^{-6\\pi}} {1+\\frac{e^{-8\\pi}} {1+\\cdots}}}}$$")
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A -->|"$$\\overbrace{a+b+c}^{\\text{note}}$$"| C("$$\\phase{-78^\\circ}$$")
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B --> D("$$x = \\begin{cases} a &\\text{if } b \\\\ c &\\text{if } d \\end{cases}$$")
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C --> E("$$x(t)=c_1\\begin{bmatrix}-\\cos{t}+\\sin{t}\\\\ 2\\cos{t} \\end{bmatrix}e^{2t}$$")`,
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{ fontFamily: 'courier' }
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);
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});
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it('2: should render a Katex flowchart containing the Greek alphabet', () => {
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imgSnapshotTest(
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`graph LR
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A["$$\\alpha\\beta\\gamma\\delta\\epsilon\\zeta\\eta\\theta\\iota\\kappa\\lambda\\mu\\nu\\xi\\omicron\\pi\\rho\\sigma\\tau\\upsilon\\phi\\chi\\psi\\omega$$"] --> B["$$\\Alpha\\Beta\\Gamma\\Delta\\Epsilon\\Zeta\\Eta\\Theta\\Iota\\Kappa\\Lambda\\Mu\\Nu\\Xi\\Omicron\\Pi\\Rho\\Sigma\\Tau\\Upsilon\\Phi\\Chi\\Psi\\Omega$$"]`,
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{ fontFamily: 'courier' }
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);
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});
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it('3: should render a Katex flowchart containing set theory symbols', () => {
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imgSnapshotTest(
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`graph LR
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A["$$\\forall\\complement\\therefore\\emptyset\\exists\\subset\\because\\empty\\exist\\supset\\mapsto\\varnothing\\nexists\\mid\\to\\implies\\in\\land\\gets\\impliedby\\isin\\lor\\leftrightarrow\\iff\\notin\\ni\\notni\\lnot$$"] --> B["$$\\nabla\\Im\\Reals\\jmath\\partial\\image\\wp\\aleph\\Game\\weierp\\alef\\Finv\\N\\Z\\alefsym\\cnums\\natnums\\beth\\Complex\\R\\gimel\\ell\\Re\\daleth\\hbar\\real\\eth\\hslash\\reals$$"]`,
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{ fontFamily: 'courier' }
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);
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});
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// TODO: changes made to develop between Feb 13 - Feb 23 cause this test to no longer function
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// it.skip('4: should render an error box originating from Katex', () => {
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// imgSnapshotTest(
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// `graph LR
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// A["$$\\shouldBeError$$"]`,
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// { fontFamily: 'courier' }
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// );
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// });
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});
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