303 lines
8.1 KiB
JavaScript
303 lines
8.1 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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exports.default = void 0;
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var _fs = _interopRequireDefault(require('fs'));
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var _jestMessageUtil = require('jest-message-util');
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var _utils = require('./utils');
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var _inline_snapshots = require('./inline_snapshots');
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {default: obj};
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}
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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var jestExistsFile =
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global[Symbol.for('jest-native-exists-file')] || _fs.default.existsSync;
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function _defineProperty(obj, key, value) {
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if (key in obj) {
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Object.defineProperty(obj, key, {
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value: value,
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enumerable: true,
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configurable: true,
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writable: true
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});
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} else {
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obj[key] = value;
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}
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return obj;
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}
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class SnapshotState {
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// @ts-ignore
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constructor(snapshotPath, options) {
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_defineProperty(this, '_counters', void 0);
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_defineProperty(this, '_dirty', void 0);
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_defineProperty(this, '_index', void 0);
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_defineProperty(this, '_updateSnapshot', void 0);
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_defineProperty(this, '_snapshotData', void 0);
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_defineProperty(this, '_snapshotPath', void 0);
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_defineProperty(this, '_inlineSnapshots', void 0);
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_defineProperty(this, '_uncheckedKeys', void 0);
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_defineProperty(this, '_getBabelTraverse', void 0);
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_defineProperty(this, '_getPrettier', void 0);
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_defineProperty(this, 'added', void 0);
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_defineProperty(this, 'expand', void 0);
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_defineProperty(this, 'matched', void 0);
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_defineProperty(this, 'unmatched', void 0);
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_defineProperty(this, 'updated', void 0);
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this._snapshotPath = snapshotPath;
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const _getSnapshotData = (0, _utils.getSnapshotData)(
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this._snapshotPath,
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options.updateSnapshot
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),
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data = _getSnapshotData.data,
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dirty = _getSnapshotData.dirty;
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this._snapshotData = data;
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this._dirty = dirty;
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this._getBabelTraverse = options.getBabelTraverse;
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this._getPrettier = options.getPrettier;
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this._inlineSnapshots = [];
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this._uncheckedKeys = new Set(Object.keys(this._snapshotData));
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this._counters = new Map();
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this._index = 0;
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this.expand = options.expand || false;
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this.added = 0;
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this.matched = 0;
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this.unmatched = 0;
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this._updateSnapshot = options.updateSnapshot;
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this.updated = 0;
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}
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markSnapshotsAsCheckedForTest(testName) {
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this._uncheckedKeys.forEach(uncheckedKey => {
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if ((0, _utils.keyToTestName)(uncheckedKey) === testName) {
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this._uncheckedKeys.delete(uncheckedKey);
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}
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});
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}
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_addSnapshot(key, receivedSerialized, options) {
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this._dirty = true;
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if (options.isInline) {
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const error = options.error || new Error();
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const lines = (0, _jestMessageUtil.getStackTraceLines)(error.stack || '');
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const frame = (0, _jestMessageUtil.getTopFrame)(lines);
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if (!frame) {
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throw new Error(
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"Jest: Couldn't infer stack frame for inline snapshot."
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);
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}
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this._inlineSnapshots.push({
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frame,
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snapshot: receivedSerialized
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});
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} else {
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this._snapshotData[key] = receivedSerialized;
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}
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}
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save() {
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const hasExternalSnapshots = Object.keys(this._snapshotData).length;
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const hasInlineSnapshots = this._inlineSnapshots.length;
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const isEmpty = !hasExternalSnapshots && !hasInlineSnapshots;
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const status = {
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deleted: false,
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saved: false
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};
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if ((this._dirty || this._uncheckedKeys.size) && !isEmpty) {
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if (hasExternalSnapshots) {
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(0, _utils.saveSnapshotFile)(this._snapshotData, this._snapshotPath);
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}
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if (hasInlineSnapshots) {
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const prettier = this._getPrettier(); // Load lazily
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const babelTraverse = this._getBabelTraverse(); // Load lazily
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(0, _inline_snapshots.saveInlineSnapshots)(
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this._inlineSnapshots,
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prettier,
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babelTraverse
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);
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}
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status.saved = true;
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} else if (!hasExternalSnapshots && jestExistsFile(this._snapshotPath)) {
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if (this._updateSnapshot === 'all') {
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_fs.default.unlinkSync(this._snapshotPath);
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}
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status.deleted = true;
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}
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return status;
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}
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getUncheckedCount() {
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return this._uncheckedKeys.size || 0;
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}
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getUncheckedKeys() {
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return Array.from(this._uncheckedKeys);
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}
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removeUncheckedKeys() {
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if (this._updateSnapshot === 'all' && this._uncheckedKeys.size) {
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this._dirty = true;
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this._uncheckedKeys.forEach(key => delete this._snapshotData[key]);
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this._uncheckedKeys.clear();
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}
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}
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match({testName, received, key, inlineSnapshot, error}) {
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this._counters.set(testName, (this._counters.get(testName) || 0) + 1);
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const count = Number(this._counters.get(testName));
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const isInline = inlineSnapshot !== undefined;
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if (!key) {
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key = (0, _utils.testNameToKey)(testName, count);
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} // Do not mark the snapshot as "checked" if the snapshot is inline and
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// there's an external snapshot. This way the external snapshot can be
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// removed with `--updateSnapshot`.
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if (!(isInline && this._snapshotData[key])) {
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this._uncheckedKeys.delete(key);
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}
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const receivedSerialized = (0, _utils.serialize)(received);
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const expected = isInline ? inlineSnapshot : this._snapshotData[key];
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const pass = expected === receivedSerialized;
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const hasSnapshot = isInline
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? inlineSnapshot !== ''
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: this._snapshotData[key] !== undefined;
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const snapshotIsPersisted =
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isInline || _fs.default.existsSync(this._snapshotPath);
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if (pass && !isInline) {
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// Executing a snapshot file as JavaScript and writing the strings back
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// when other snapshots have changed loses the proper escaping for some
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// characters. Since we check every snapshot in every test, use the newly
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// generated formatted string.
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// Note that this is only relevant when a snapshot is added and the dirty
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// flag is set.
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this._snapshotData[key] = receivedSerialized;
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} // These are the conditions on when to write snapshots:
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// * There's no snapshot file in a non-CI environment.
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// * There is a snapshot file and we decided to update the snapshot.
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// * There is a snapshot file, but it doesn't have this snaphsot.
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// These are the conditions on when not to write snapshots:
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// * The update flag is set to 'none'.
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// * There's no snapshot file or a file without this snapshot on a CI environment.
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if (
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(hasSnapshot && this._updateSnapshot === 'all') ||
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((!hasSnapshot || !snapshotIsPersisted) &&
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(this._updateSnapshot === 'new' || this._updateSnapshot === 'all'))
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) {
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if (this._updateSnapshot === 'all') {
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if (!pass) {
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if (hasSnapshot) {
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this.updated++;
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} else {
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this.added++;
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}
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this._addSnapshot(key, receivedSerialized, {
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error,
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isInline
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});
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} else {
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this.matched++;
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}
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} else {
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this._addSnapshot(key, receivedSerialized, {
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error,
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isInline
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});
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this.added++;
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}
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return {
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actual: '',
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count,
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expected: '',
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key,
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pass: true
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};
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} else {
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if (!pass) {
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this.unmatched++;
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return {
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actual: (0, _utils.unescape)(receivedSerialized),
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count,
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expected: expected ? (0, _utils.unescape)(expected) : null,
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key,
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pass: false
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};
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} else {
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this.matched++;
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return {
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actual: '',
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count,
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expected: '',
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key,
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pass: true
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};
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}
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}
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}
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fail(testName, _received, key) {
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this._counters.set(testName, (this._counters.get(testName) || 0) + 1);
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const count = Number(this._counters.get(testName));
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if (!key) {
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key = (0, _utils.testNameToKey)(testName, count);
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}
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this._uncheckedKeys.delete(key);
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this.unmatched++;
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return key;
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}
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}
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exports.default = SnapshotState;
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