gristlabs_grist-core/test/common/csvFormat.ts

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import * as csvFormat from 'app/common/csvFormat';
import {assert} from 'chai';
describe('csvFormat', function() {
it('should encode/decode csv values correctly', function() {
function verify(plain: string, encoded: string) {
assert.equal(csvFormat.csvEncodeCell(plain), encoded);
assert.equal(csvFormat.csvDecodeCell(encoded), plain);
}
verify("hello world", "hello world");
verify(`Commas,, galore, `, `"Commas,, galore, "`);
verify(`"Quote" 'me,', ""please!""`, `"""Quote"" 'me,', """"please!"""""`);
verify(` sing"le `, `" sing""le "`);
verify(``, ``);
verify(`""`, `""""""`);
verify(`\t\n'\`\\`, `"\t\n'\`\\"`);
// The exact interpretation of invalid encodings isn't too important, but should include most
// of the value and not throw exceptions.
assert.equal(csvFormat.csvDecodeCell(`invalid"e\ncoding `), `invalid"e\ncoding`);
assert.equal(csvFormat.csvDecodeCell(`"invalid"e`), `invalid"e`);
});
it('should encode/decode csv rows correctly', function() {
function verify(plain: string[], encoded: string, prettier: boolean) {
assert.equal(csvFormat.csvEncodeRow(plain, {prettier}), encoded);
assert.deepEqual(csvFormat.csvDecodeRow(encoded), plain);
}
verify(["hello", "world"], "hello,world", false);
verify(["hello", "world"], "hello, world", true);
verify(["hello ", " world"], `"hello "," world"`, false);
verify(["hello ", " world"], `"hello ", " world"`, true);
verify([' '], `" "`, false);
verify(['', ''], `,`, false);
verify(['', ' ', ''], `, " ", `, true);
verify([
"Commas,, galore, ",
`"Quote" 'me,', ""please!""`,
` sing"le `,
' ',
'',
], `"Commas,, galore, ","""Quote"" 'me,', """"please!"""""," sing""le "," ",`, false);
verify(['Medium', 'Very high', `with, comma*=~!|more`, `asdf\nsdf`],
`Medium, Very high, "with, comma*=~!|more", "asdf\nsdf"`, true);
// The exact interpretation of invalid encodings isn't too important, but should include most
// of the value and not throw exceptions.
assert.deepEqual(csvFormat.csvDecodeRow(`invalid"e\ncoding,","`),
['invalid"e\ncoding,', '']);
});
});