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text_delimiter_stream_test.ts
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text_delimiter_stream_test.ts
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { TextDelimiterStream } from "./text_delimiter_stream.ts";
import { testTransformStream } from "./_test_common.ts";
Deno.test("[streams] TextDelimiterStream, discard", async () => {
const delimStream = new TextDelimiterStream("foo", {
disposition: "discard",
});
const inputs = [
"qwertzu", // no delimiter
"iopasdfoomnbvc", // one delimiter in the middle
"xylkjhfoogfdsapfoooiuzt", // two separate delimiters
"euoifoofooaueiou", // two consecutive delimiters
"rewq098765432fo", // split delimiter (1/2)
"o349012i491290", // split delimiter (2/2)
];
const outputs = [
"qwertzuiopasd",
"mnbvcxylkjh",
"gfdsap",
"oiuzteuoi",
"",
"aueiourewq098765432",
"349012i491290",
];
await testTransformStream(delimStream, inputs, outputs);
});
Deno.test("[streams] TextDelimiterStream, suffix", async () => {
const delimStream = new TextDelimiterStream("foo", {
disposition: "suffix",
});
const inputs = [
"qwertzu", // no delimiter
"iopasdfoomnbvc", // one delimiter in the middle
"xylkjhfoogfdsapfoooiuzt", // two separate delimiters
"euoifoofooaueiou", // two consecutive delimiters
"rewq098765432fo", // split delimiter (1/2)
"o349012i491290", // split delimiter (2/2)
];
const outputs = [
"qwertzuiopasdfoo",
"mnbvcxylkjhfoo",
"gfdsapfoo",
"oiuzteuoifoo",
"foo",
"aueiourewq098765432foo",
"349012i491290",
];
await testTransformStream(delimStream, inputs, outputs);
});
Deno.test("[streams] TextDelimiterStream, prefix", async () => {
const delimStream = new TextDelimiterStream("foo", {
disposition: "prefix",
});
const inputs = [
"qwertzu", // no delimiter
"iopasdfoomnbvc", // one delimiter in the middle
"xylkjhfoogfdsapfoooiuzt", // two separate delimiters
"euoifoofooaueiou", // two consecutive delimiters
"rewq098765432fo", // split delimiter (1/2)
"o349012i491290", // split delimiter (2/2)
];
const outputs = [
"qwertzuiopasd",
"foomnbvcxylkjh",
"foogfdsap",
"foooiuzteuoi",
"foo",
"fooaueiourewq098765432",
"foo349012i491290",
];
await testTransformStream(delimStream, inputs, outputs);
});