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Switch from jasmine to jest (#747)

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Summary:
The reasons for switching to jest:
- easy snapshot testing so that we can easily verify the structure of the parse tree and MathML tree
- easy compilation of ES6 features for tests as we continue to expand our use of ES6

Test Plan:
- npm test
This commit is contained in:
Kevin Barabash
2017-07-11 14:16:26 -04:00
committed by Erik Demaine
parent 4480f2c987
commit 361c500a7f
12 changed files with 228 additions and 275 deletions
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86
test/errors-spec.js
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@@ -1,5 +1,4 @@
/* global beforeEach: false */
/* global jasmine: false */
/* global expect: false */
/* global it: false */
/* global describe: false */
@@ -10,50 +9,47 @@ import Settings from "../src/Settings";
const defaultSettings = new Settings({});
beforeEach(function() {
jasmine.addMatchers({
toFailWithParseError: function(util, customEqualityTesters) {
const prefix = "KaTeX parse error: ";
return {
compare: function(actual, expected) {
try {
parseTree(actual, defaultSettings);
return {
pass: false,
message: "'" + actual + "' parsed without error",
};
} catch (e) {
if (expected === undefined) {
return {
pass: true,
message: "'" + actual + "' parsed with error",
};
}
const msg = e.message;
const exp = prefix + expected;
if (msg === exp) {
return {
pass: true,
message: "'" + actual + "'" +
" parsed with error '" + expected + "'",
};
} else if (msg.slice(0, 19) === prefix) {
return {
pass: false,
message: "'" + actual + "'" +
" parsed with error '" + msg.slice(19) +
"' but expected '" + expected + "'",
};
} else {
return {
pass: false,
message: "'" + actual + "'" +
" caused error '" + msg +
"' but expected '" + exp + "'",
};
}
}
},
};
const prefix = "KaTeX parse error: ";
expect.extend({
toFailWithParseError: function(actual, expected) {
try {
parseTree(actual, defaultSettings);
return {
pass: false,
message: "'" + actual + "' parsed without error",
};
} catch (e) {
if (expected === undefined) {
return {
pass: true,
message: "'" + actual + "' parsed with error",
};
}
const msg = e.message;
const exp = prefix + expected;
if (msg === exp) {
return {
pass: true,
message: "'" + actual + "'" +
" parsed with error '" + expected + "'",
};
} else if (msg.slice(0, 19) === prefix) {
return {
pass: false,
message: "'" + actual + "'" +
" parsed with error '" + msg.slice(19) +
"' but expected '" + expected + "'",
};
} else {
return {
pass: false,
message: "'" + actual + "'" +
" caused error '" + msg +
"' but expected '" + exp + "'",
};
}
}
},
});
});