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doc: revise example of assert.CallTracker #47252

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Merged
nodejs-github-bot merged 3 commits into from
Mar 29, 2023
Merged

doc: revise example of assert.CallTracker #47252

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7c04863
doc: revise example of assert.CallTracker
deokjinkim Mar 25, 2023
486d2e7
fix odd spacing in `arguments`
deokjinkim Mar 27, 2023
a674cb4
use `undefined` instead of `this` for ESM
deokjinkim Mar 29, 2023
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18 changes: 10 additions & 8 deletions doc/api/assert.md
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Original file line number Diff line number Diff line change
Expand Up @@ -348,7 +348,7 @@ const callsfunc = tracker.calls(func);
callsfunc(1, 2, 3);

assert.deepStrictEqual(tracker.getCalls(callsfunc),
[{ thisArg: this, arguments: [1, 2, 3 ] }]);
[{ thisArg: undefined, arguments: [1, 2, 3] }]);
```

```cjs
Expand All @@ -362,7 +362,7 @@ const callsfunc = tracker.calls(func);
callsfunc(1, 2, 3);

assert.deepStrictEqual(tracker.getCalls(callsfunc),
[{ thisArg: this, arguments: [1, 2, 3 ] }]);
[{ thisArg: undefined, arguments: [1, 2, 3] }]);
```

### `tracker.report()`
Expand Down Expand Up @@ -399,7 +399,7 @@ function func() {}
const callsfunc = tracker.calls(func, 2);

// Returns an array containing information on callsfunc()
tracker.report();
console.log(tracker.report());
// [
// {
// message: 'Expected the func function to be executed 2 time(s) but was
Expand All @@ -425,7 +425,7 @@ function func() {}
const callsfunc = tracker.calls(func, 2);

// Returns an array containing information on callsfunc()
tracker.report();
console.log(tracker.report());
// [
// {
// message: 'Expected the func function to be executed 2 time(s) but was
Expand Down Expand Up @@ -462,24 +462,26 @@ const callsfunc = tracker.calls(func);

callsfunc();
// Tracker was called once
tracker.getCalls(callsfunc).length === 1;
assert.strictEqual(tracker.getCalls(callsfunc).length, 1);

tracker.reset(callsfunc);
tracker.getCalls(callsfunc).length === 0;
assert.strictEqual(tracker.getCalls(callsfunc).length, 0);
```

```cjs
const assert = require('node:assert');

const tracker = new assert.CallTracker();

function func() {}
const callsfunc = tracker.calls(func);

callsfunc();
// Tracker was called once
tracker.getCalls(callsfunc).length === 1;
assert.strictEqual(tracker.getCalls(callsfunc).length, 1);

tracker.reset(callsfunc);
tracker.getCalls(callsfunc).length === 0;
assert.strictEqual(tracker.getCalls(callsfunc).length, 0);
```

### `tracker.verify()`
Expand Down