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Refactor

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This commit is contained in:
Jerry Kurian 2019-08-15 15:42:54 -04:00
parent 27b4b2427b
commit 5a9fcc94a6
2 changed files with 35 additions and 31 deletions
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2
src/functions/accumulator/index.ts
View File

@ -44,6 +44,7 @@ function _sliding<T>(
)})`,
),
);
stream.resume();
return;
}
while (
@ -107,6 +108,7 @@ function _rolling<T>(
)})`,
),
);
stream.resume();
return;
} else if (
buffer.length > 0 &&

54
src/functions/map/map.spec.ts
View File

@ -6,10 +6,11 @@ import { map } from ".";
test.cb("map() maps elements synchronously", t => {
t.plan(3);
const source = new Readable({ objectMode: true });
const mapStream = map((element: string) => element.toUpperCase());
const expectedElements = ["A", "B", "C"];
let i = 0;
source
.pipe(map((element: string) => element.toUpperCase()))
.pipe(mapStream)
.on("data", (element: string) => {
expect(element).to.equal(expectedElements[i]);
t.pass();
@ -27,15 +28,14 @@ test.cb("map() maps elements synchronously", t => {
test.cb("map() maps elements asynchronously", t => {
t.plan(3);
const source = new Readable({ objectMode: true });
const mapStream = map(async (element: string) => {
await Promise.resolve();
return element.toUpperCase();
});
const expectedElements = ["A", "B", "C"];
let i = 0;
source
.pipe(
map(async (element: string) => {
await Promise.resolve();
return element.toUpperCase();
}),
)
.pipe(mapStream)
.on("data", (element: string) => {
expect(element).to.equal(expectedElements[i]);
t.pass();
@ -51,19 +51,23 @@ test.cb("map() maps elements asynchronously", t => {
});
test.cb("map() emits errors during synchronous mapping", t => {
t.plan(2);
t.plan(3);
const source = new Readable({ objectMode: true });
source
.pipe(
map((element: string) => {
if (element !== "a") {
const mapStream = map((element: string) => {
if (element !== "b") {
throw new Error("Failed mapping");
}
return element.toUpperCase();
}),
)
.resume()
});
source
.pipe(mapStream)
.on("data", data => {
expect(data).to.equal("B");
t.pass();
})
.on("error", err => {
source.pipe(mapStream);
mapStream.resume();
expect(err.message).to.equal("Failed mapping");
t.pass();
})
@ -77,31 +81,29 @@ test.cb("map() emits errors during synchronous mapping", t => {
test("map() emits errors during asynchronous mapping", t => {
t.plan(1);
return new Promise((resolve, reject) => {
return new Promise((resolve, _) => {
const source = new Readable({ objectMode: true });
source
.pipe(
map(async (element: string) => {
const mapStream = map(async (element: string) => {
await Promise.resolve();
if (element !== "a") {
if (element === "b") {
throw new Error("Failed mapping");
}
return element.toUpperCase();
}),
)
.resume()
});
source
.pipe(mapStream)
.on("error", err => {
expect(err.message).to.equal("Failed mapping");
t.pass();
resolve();
})
.on("end", () => {
t.fail();
});
.on("end", () => t.fail);
source.push("a");
source.push("b");
source.push("c");
source.push(null);
source.push(null);
source.push(null);
});
});