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Optimize haste map data structure for serialization/deserialization. #8171

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merged 10 commits into from Mar 20, 2019
Merged

Optimize haste map data structure for serialization/deserialization. #8171

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af0fe0f
Optimize haste map data structure for serialization/deserialization.
scotthovestadt Mar 20, 2019
f525183
Missing files.
scotthovestadt Mar 20, 2019
2b1e610
Wrong delim in test file.
scotthovestadt Mar 20, 2019
f9ed17b
Update CHANGELOG.md
scotthovestadt Mar 20, 2019
0e58c24
Fix crawler tests.
scotthovestadt Mar 20, 2019
9c1c092
Switch delim to `:` and extract to var.
scotthovestadt Mar 20, 2019
55d7373
Switch delim to \0.
scotthovestadt Mar 20, 2019
4dcf8fa
Fix dependency delim type.
scotthovestadt Mar 20, 2019
041063d
Remove unnecessary cache file version.
scotthovestadt Mar 20, 2019
c0de52e
Do not return empty element in dependency array.
scotthovestadt Mar 20, 2019
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -27,6 +27,7 @@

### Performance

- `[jest-haste-map]` Optimize haste map data structure for serialization/deserialization ([#8171](https://github.com/facebook/jest/pull/8171))
- `[jest-haste-map]` Avoid persisting haste map or processing files when not changed ([#8153](https://github.com/facebook/jest/pull/8153))

## 24.5.0
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9 changes: 8 additions & 1 deletion packages/jest-haste-map/src/HasteFS.ts
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Expand Up @@ -33,7 +33,14 @@ export default class HasteFS {

getDependencies(file: Config.Path): Array<string> | null {
const fileMetadata = this._getFileData(file);
return (fileMetadata && fileMetadata[H.DEPENDENCIES]) || null;

if (fileMetadata) {
return fileMetadata[H.DEPENDENCIES]
? fileMetadata[H.DEPENDENCIES].split(H.DEPENDENCY_DELIM)
: [];
} else {
return null;
}
}

getSha1(file: Config.Path): string | null {
Expand Down
64 changes: 25 additions & 39 deletions packages/jest-haste-map/src/__tests__/index.test.js
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Expand Up @@ -340,28 +340,28 @@ describe('HasteMap', () => {

expect(data.files).toEqual(
createMap({
'fruits/Banana.js': ['Banana', 32, 42, 1, ['Strawberry'], null],
'fruits/Pear.js': ['Pear', 32, 42, 1, ['Banana', 'Strawberry'], null],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 1, [], null],
'fruits/__mocks__/Pear.js': ['', 32, 42, 1, ['Melon'], null],
'fruits/Banana.js': ['Banana', 32, 42, 1, 'Strawberry', null],
'fruits/Pear.js': ['Pear', 32, 42, 1, 'Banana\0Strawberry', null],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 1, '', null],
'fruits/__mocks__/Pear.js': ['', 32, 42, 1, 'Melon', null],
// node modules
'fruits/node_modules/fbjs/lib/flatMap.js': [
'flatMap',
32,
42,
1,
[],
'',
null,
],
'fruits/node_modules/react/React.js': [
'React',
32,
42,
1,
['Component'],
'Component',
null,
],
'vegetables/Melon.js': ['Melon', 32, 42, 1, [], null],
'vegetables/Melon.js': ['Melon', 32, 42, 1, '', null],
}),
);

Expand Down Expand Up @@ -410,18 +410,11 @@ describe('HasteMap', () => {

// The node crawler returns "null" for the SHA-1.
data.files = createMap({
'fruits/Banana.js': ['Banana', 32, 42, 0, ['Strawberry'], null],
'fruits/Pear.js': [
'Pear',
32,
42,
0,
['Banana', 'Strawberry'],
null,
],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 0, [], null],
'fruits/__mocks__/Pear.js': ['', 32, 42, 0, ['Melon'], null],
'vegetables/Melon.js': ['Melon', 32, 42, 0, [], null],
'fruits/Banana.js': ['Banana', 32, 42, 0, 'Strawberry', null],
'fruits/Pear.js': ['Pear', 32, 42, 0, 'Banana\0Strawberry', null],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 0, '', null],
'fruits/__mocks__/Pear.js': ['', 32, 42, 0, 'Melon', null],
'vegetables/Melon.js': ['Melon', 32, 42, 0, '', null],
});

return Promise.resolve({
Expand All @@ -446,39 +439,39 @@ describe('HasteMap', () => {
32,
42,
1,
['Strawberry'],
'Strawberry',
'7772b628e422e8cf59c526be4bb9f44c0898e3d1',
],
'fruits/Pear.js': [
'Pear',
32,
42,
1,
['Banana', 'Strawberry'],
'Banana\0Strawberry',
'89d0c2cc11dcc5e1df50b8af04ab1b597acfba2f',
],
'fruits/Strawberry.js': [
'Strawberry',
32,
42,
1,
[],
'',
'e8aa38e232b3795f062f1d777731d9240c0f8c25',
],
'fruits/__mocks__/Pear.js': [
'',
32,
42,
1,
['Melon'],
'Melon',
'8d40afbb6e2dc78e1ba383b6d02cafad35cceef2',
],
'vegetables/Melon.js': [
'Melon',
32,
42,
1,
[],
'',
'f16ccf6f2334ceff2ddb47628a2c5f2d748198ca',
],
}),
Expand Down Expand Up @@ -626,18 +619,18 @@ describe('HasteMap', () => {
32,
42,
1,
['Blackberry'],
'Blackberry',
null,
],
'fruits/Strawberry.ios.js': [
'Strawberry',
32,
42,
1,
['Raspberry'],
'Raspberry',
null,
],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 1, ['Banana'], null],
'fruits/Strawberry.js': ['Strawberry', 32, 42, 1, 'Banana', null],
}),
);

Expand Down Expand Up @@ -724,14 +717,7 @@ describe('HasteMap', () => {
expect(useBuitinsInContext(data.clocks)).toEqual(mockClocks);

const files = new Map(initialData.files);
files.set('fruits/Banana.js', [
'Banana',
32,
42,
1,
['Kiwi'],
null,
]);
files.set('fruits/Banana.js', ['Banana', 32, 42, 1, 'Kiwi', null]);

expect(useBuitinsInContext(data.files)).toEqual(files);

Expand Down Expand Up @@ -1086,7 +1072,7 @@ describe('HasteMap', () => {
node.mockImplementation(options => {
const {data} = options;
data.files = createMap({
'fruits/Banana.js': ['', 32, 42, 0, [], null],
'fruits/Banana.js': ['', 32, 42, 0, '', null],
});
return Promise.resolve({
hasteMap: data,
Expand All @@ -1102,7 +1088,7 @@ describe('HasteMap', () => {

expect(data.files).toEqual(
createMap({
'fruits/Banana.js': ['Banana', 32, 42, 1, ['Strawberry'], null],
'fruits/Banana.js': ['Banana', 32, 42, 1, 'Strawberry', null],
}),
);

Expand All @@ -1120,7 +1106,7 @@ describe('HasteMap', () => {
node.mockImplementation(options => {
const {data} = options;
data.files = createMap({
'fruits/Banana.js': ['', 32, 42, 0, [], null],
'fruits/Banana.js': ['', 32, 42, 0, '', null],
});
return Promise.resolve({
hasteMap: data,
Expand All @@ -1136,7 +1122,7 @@ describe('HasteMap', () => {

expect(data.files).toEqual(
createMap({
'fruits/Banana.js': ['Banana', 32, 42, 1, ['Strawberry'], null],
'fruits/Banana.js': ['Banana', 32, 42, 1, 'Strawberry', null],
}),
);
});
Expand Down
3 changes: 3 additions & 0 deletions packages/jest-haste-map/src/constants.ts
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Expand Up @@ -18,6 +18,9 @@
import {HType} from './types';

const constants: HType = {
/* dependency serialization */
DEPENDENCY_DELIM: '\0',

/* file map attributes */
ID: 0,
MTIME: 1,
Expand Down
32 changes: 16 additions & 16 deletions packages/jest-haste-map/src/crawlers/__tests__/node.test.js
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Expand Up @@ -133,9 +133,9 @@ describe('node crawler', () => {

expect(hasteMap.files).toEqual(
createMap({
'fruits/strawberry.js': ['', 32, 42, 0, [], null],
'fruits/tomato.js': ['', 33, 42, 0, [], null],
'vegetables/melon.json': ['', 34, 42, 0, [], null],
'fruits/strawberry.js': ['', 32, 42, 0, '', null],
'fruits/tomato.js': ['', 33, 42, 0, '', null],
'vegetables/melon.json': ['', 34, 42, 0, '', null],
}),
);

Expand All @@ -151,9 +151,9 @@ describe('node crawler', () => {
nodeCrawl = require('../node');

// In this test sample, strawberry is changed and tomato is unchanged
const tomato = ['', 33, 42, 1, [], null];
const tomato = ['', 33, 42, 1, '', null];
const files = createMap({
'fruits/strawberry.js': ['', 30, 40, 1, [], null],
'fruits/strawberry.js': ['', 30, 40, 1, '', null],
'fruits/tomato.js': tomato,
});

Expand All @@ -166,7 +166,7 @@ describe('node crawler', () => {
}).then(({hasteMap, removedFiles}) => {
expect(hasteMap.files).toEqual(
createMap({
'fruits/strawberry.js': ['', 32, 42, 0, [], null],
'fruits/strawberry.js': ['', 32, 42, 0, '', null],
'fruits/tomato.js': tomato,
}),
);
Expand All @@ -186,9 +186,9 @@ describe('node crawler', () => {
// In this test sample, previouslyExisted was present before and will not be
// when crawling this directory.
const files = createMap({
'fruits/previouslyExisted.js': ['', 30, 40, 1, [], null],
'fruits/strawberry.js': ['', 33, 42, 0, [], null],
'fruits/tomato.js': ['', 32, 42, 0, [], null],
'fruits/previouslyExisted.js': ['', 30, 40, 1, '', null],
'fruits/strawberry.js': ['', 33, 42, 0, '', null],
'fruits/tomato.js': ['', 32, 42, 0, '', null],
});

return nodeCrawl({
Expand All @@ -200,13 +200,13 @@ describe('node crawler', () => {
}).then(({hasteMap, removedFiles}) => {
expect(hasteMap.files).toEqual(
createMap({
'fruits/strawberry.js': ['', 32, 42, 0, [], null],
'fruits/tomato.js': ['', 33, 42, 0, [], null],
'fruits/strawberry.js': ['', 32, 42, 0, '', null],
'fruits/tomato.js': ['', 33, 42, 0, '', null],
}),
);
expect(removedFiles).toEqual(
createMap({
'fruits/previouslyExisted.js': ['', 30, 40, 1, [], null],
'fruits/previouslyExisted.js': ['', 30, 40, 1, '', null],
}),
);
});
Expand All @@ -228,8 +228,8 @@ describe('node crawler', () => {
}).then(({hasteMap, removedFiles}) => {
expect(hasteMap.files).toEqual(
createMap({
'fruits/directory/strawberry.js': ['', 33, 42, 0, [], null],
'fruits/tomato.js': ['', 32, 42, 0, [], null],
'fruits/directory/strawberry.js': ['', 33, 42, 0, '', null],
'fruits/tomato.js': ['', 32, 42, 0, '', null],
}),
);
expect(removedFiles).toEqual(new Map());
Expand All @@ -252,8 +252,8 @@ describe('node crawler', () => {
}).then(({hasteMap, removedFiles}) => {
expect(hasteMap.files).toEqual(
createMap({
'fruits/directory/strawberry.js': ['', 33, 42, 0, [], null],
'fruits/tomato.js': ['', 32, 42, 0, [], null],
'fruits/directory/strawberry.js': ['', 33, 42, 0, '', null],
'fruits/tomato.js': ['', 32, 42, 0, '', null],
}),
);
expect(removedFiles).toEqual(new Map());
Expand Down
34 changes: 17 additions & 17 deletions packages/jest-haste-map/src/crawlers/__tests__/watchman.test.js
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Expand Up @@ -108,9 +108,9 @@ describe('watchman watch', () => {
};

mockFiles = createMap({
[MELON_RELATIVE]: ['', 33, 43, 0, [], null],
[STRAWBERRY_RELATIVE]: ['', 30, 40, 0, [], null],
[TOMATO_RELATIVE]: ['', 31, 41, 0, [], null],
[MELON_RELATIVE]: ['', 33, 43, 0, '', null],
[STRAWBERRY_RELATIVE]: ['', 30, 40, 0, '', null],
[TOMATO_RELATIVE]: ['', 31, 41, 0, '', null],
});
});

Expand Down Expand Up @@ -216,8 +216,8 @@ describe('watchman watch', () => {
expect(changedFiles).toEqual(undefined);
expect(hasteMap.files).toEqual(
createMap({
[path.join(DURIAN_RELATIVE, 'foo.1.js')]: ['', 33, 43, 0, [], null],
[path.join(DURIAN_RELATIVE, 'foo.2.js')]: ['', 33, 43, 0, [], null],
[path.join(DURIAN_RELATIVE, 'foo.1.js')]: ['', 33, 43, 0, '', null],
[path.join(DURIAN_RELATIVE, 'foo.2.js')]: ['', 33, 43, 0, '', null],
}),
);
expect(removedFiles).toEqual(new Map());
Expand Down Expand Up @@ -280,21 +280,21 @@ describe('watchman watch', () => {

expect(changedFiles).toEqual(
createMap({
[KIWI_RELATIVE]: ['', 42, 40, 0, [], null],
[KIWI_RELATIVE]: ['', 42, 40, 0, '', null],
}),
);

expect(hasteMap.files).toEqual(
createMap({
[KIWI_RELATIVE]: ['', 42, 40, 0, [], null],
[MELON_RELATIVE]: ['', 33, 43, 0, [], null],
[STRAWBERRY_RELATIVE]: ['', 30, 40, 0, [], null],
[KIWI_RELATIVE]: ['', 42, 40, 0, '', null],
[MELON_RELATIVE]: ['', 33, 43, 0, '', null],
[STRAWBERRY_RELATIVE]: ['', 30, 40, 0, '', null],
}),
);

expect(removedFiles).toEqual(
createMap({
[TOMATO_RELATIVE]: ['', 31, 41, 0, [], null],
[TOMATO_RELATIVE]: ['', 31, 41, 0, '', null],
}),
);
});
Expand Down Expand Up @@ -374,7 +374,7 @@ describe('watchman watch', () => {
expect(hasteMap.files).toEqual(
createMap({
[BANANA_RELATIVE]: mockBananaMetadata,
[KIWI_RELATIVE]: ['', 42, 52, 0, [], null],
[KIWI_RELATIVE]: ['', 42, 52, 0, '', null],
[TOMATO_RELATIVE]: ['Tomato', 76, 41, 1, [], mockTomatoSha1],
}),
);
Expand All @@ -388,8 +388,8 @@ describe('watchman watch', () => {

expect(removedFiles).toEqual(
createMap({
[MELON_RELATIVE]: ['', 33, 43, 0, [], null],
[STRAWBERRY_RELATIVE]: ['', 30, 40, 0, [], null],
[MELON_RELATIVE]: ['', 33, 43, 0, '', null],
[STRAWBERRY_RELATIVE]: ['', 30, 40, 0, '', null],
}),
);
});
Expand Down Expand Up @@ -466,15 +466,15 @@ describe('watchman watch', () => {

expect(hasteMap.files).toEqual(
createMap({
[KIWI_RELATIVE]: ['', 42, 52, 0, [], null],
[MELON_RELATIVE]: ['', 33, 43, 0, [], null],
[KIWI_RELATIVE]: ['', 42, 52, 0, '', null],
[MELON_RELATIVE]: ['', 33, 43, 0, '', null],
}),
);

expect(removedFiles).toEqual(
createMap({
[STRAWBERRY_RELATIVE]: ['', 30, 40, 0, [], null],
[TOMATO_RELATIVE]: ['', 31, 41, 0, [], null],
[STRAWBERRY_RELATIVE]: ['', 30, 40, 0, '', null],
[TOMATO_RELATIVE]: ['', 31, 41, 0, '', null],
}),
);
});
Expand Down
2 changes: 1 addition & 1 deletion packages/jest-haste-map/src/crawlers/node.ts
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Expand Up @@ -164,7 +164,7 @@ export = function nodeCrawl(
files.set(relativeFilePath, existingFile);
} else {
// See ../constants.js; SHA-1 will always be null and fulfilled later.
files.set(relativeFilePath, ['', mtime, size, 0, [], null]);
files.set(relativeFilePath, ['', mtime, size, 0, '', null]);
}
removedFiles.delete(relativeFilePath);
});
Expand Down