KaTeX/contrib/auto-render/auto-render-spec.js
2017-01-13 22:37:17 -05:00

242 lines
8.6 KiB
JavaScript

/* global beforeEach: false */
/* global jasmine: false */
/* global expect: false */
/* global it: false */
/* global describe: false */
const splitAtDelimiters = require("./splitAtDelimiters");
beforeEach(function() {
jasmine.addMatchers({
toSplitInto: function() {
return {
compare: function(actual, left, right, result) {
const message = {
pass: true,
message: "'" + actual + "' split correctly",
};
const startData = [{type: "text", data: actual}];
const split =
splitAtDelimiters(startData, left, right, false);
if (split.length !== result.length) {
message.pass = false;
message.message = "Different number of splits: " +
split.length + " vs. " + result.length + " (" +
JSON.stringify(split) + " vs. " +
JSON.stringify(result) + ")";
return message;
}
for (let i = 0; i < split.length; i++) {
const real = split[i];
const correct = result[i];
let good = true;
let diff;
if (real.type !== correct.type) {
good = false;
diff = "type";
} else if (real.data !== correct.data) {
good = false;
diff = "data";
} else if (real.display !== correct.display) {
good = false;
diff = "display";
}
if (!good) {
message.pass = false;
message.message = "Difference at split " +
(i + 1) + ": " + JSON.stringify(real) +
" vs. " + JSON.stringify(correct) +
" (" + diff + " differs)";
break;
}
}
return message;
},
};
},
});
});
describe("A delimiter splitter", function() {
it("doesn't split when there are no delimiters", function() {
expect("hello").toSplitInto("(", ")", [{type: "text", data: "hello"}]);
});
it("doesn't create a math node with only one left delimiter", function() {
expect("hello ( world").toSplitInto(
"(", ")",
[
{type: "text", data: "hello "},
{type: "text", data: "( world"},
]);
});
it("doesn't split when there's only a right delimiter", function() {
expect("hello ) world").toSplitInto(
"(", ")",
[
{type: "text", data: "hello ) world"},
]);
});
it("splits when there are both delimiters", function() {
expect("hello ( world ) boo").toSplitInto(
"(", ")",
[
{type: "text", data: "hello "},
{type: "math", data: " world ",
rawData: "( world )", display: false},
{type: "text", data: " boo"},
]);
});
it("splits on multi-character delimiters", function() {
expect("hello [[ world ]] boo").toSplitInto(
"[[", "]]",
[
{type: "text", data: "hello "},
{type: "math", data: " world ",
rawData: "[[ world ]]", display: false},
{type: "text", data: " boo"},
]);
});
it("splits mutliple times", function() {
expect("hello ( world ) boo ( more ) stuff").toSplitInto(
"(", ")",
[
{type: "text", data: "hello "},
{type: "math", data: " world ",
rawData: "( world )", display: false},
{type: "text", data: " boo "},
{type: "math", data: " more ",
rawData: "( more )", display: false},
{type: "text", data: " stuff"},
]);
});
it("leaves the ending when there's only a left delimiter", function() {
expect("hello ( world ) boo ( left").toSplitInto(
"(", ")",
[
{type: "text", data: "hello "},
{type: "math", data: " world ",
rawData: "( world )", display: false},
{type: "text", data: " boo "},
{type: "text", data: "( left"},
]);
});
it("doesn't split when close delimiters are in {}s", function() {
expect("hello ( world { ) } ) boo").toSplitInto(
"(", ")",
[
{type: "text", data: "hello "},
{type: "math", data: " world { ) } ",
rawData: "( world { ) } )", display: false},
{type: "text", data: " boo"},
]);
expect("hello ( world { { } ) } ) boo").toSplitInto(
"(", ")",
[
{type: "text", data: "hello "},
{type: "math", data: " world { { } ) } ",
rawData: "( world { { } ) } )", display: false},
{type: "text", data: " boo"},
]);
});
it("doesn't split at escaped delimiters", function() {
expect("hello ( world \\) ) boo").toSplitInto(
"(", ")",
[
{type: "text", data: "hello "},
{type: "math", data: " world \\) ",
rawData: "( world \\) )", display: false},
{type: "text", data: " boo"},
]);
/* TODO(emily): make this work maybe?
expect("hello \\( ( world ) boo").toSplitInto(
"(", ")",
[
{type: "text", data: "hello \\( "},
{type: "math", data: " world ",
rawData: "( world )", display: false},
{type: "text", data: " boo"},
]);
*/
});
it("splits when the right and left delimiters are the same", function() {
expect("hello $ world $ boo").toSplitInto(
"$", "$",
[
{type: "text", data: "hello "},
{type: "math", data: " world ",
rawData: "$ world $", display: false},
{type: "text", data: " boo"},
]);
});
it("remembers which delimiters are display-mode", function() {
const startData = [{type: "text", data: "hello ( world ) boo"}];
expect(splitAtDelimiters(startData, "(", ")", true)).toEqual(
[
{type: "text", data: "hello "},
{type: "math", data: " world ",
rawData: "( world )", display: true},
{type: "text", data: " boo"},
]);
});
it("works with more than one start datum", function() {
const startData = [
{type: "text", data: "hello ( world ) boo"},
{type: "math", data: "math", rawData: "(math)", display: true},
{type: "text", data: "hello ( world ) boo"},
];
expect(splitAtDelimiters(startData, "(", ")", false)).toEqual(
[
{type: "text", data: "hello "},
{type: "math", data: " world ",
rawData: "( world )", display: false},
{type: "text", data: " boo"},
{type: "math", data: "math", rawData: "(math)", display: true},
{type: "text", data: "hello "},
{type: "math", data: " world ",
rawData: "( world )", display: false},
{type: "text", data: " boo"},
]);
});
it("doesn't do splitting inside of math nodes", function() {
const startData = [
{type: "text", data: "hello ( world ) boo"},
{type: "math", data: "hello ( world ) boo",
rawData: "(hello ( world ) boo)", display: true},
];
expect(splitAtDelimiters(startData, "(", ")", false)).toEqual(
[
{type: "text", data: "hello "},
{type: "math", data: " world ",
rawData: "( world )", display: false},
{type: "text", data: " boo"},
{type: "math", data: "hello ( world ) boo",
rawData: "(hello ( world ) boo)", display: true},
]);
});
});