screenshot/test_1

node_modules/playwright-core/lib/client/waiter.js

@@ -0,0 +1,161 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Waiter = void 0;
+var _errors = require("./errors");
+var _stackTrace = require("../utils/isomorphic/stackTrace");
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class Waiter {
+  constructor(channelOwner, event) {
+    this._dispose = void 0;
+    this._failures = [];
+    this._immediateError = void 0;
+    this._logs = [];
+    this._channelOwner = void 0;
+    this._waitId = void 0;
+    this._error = void 0;
+    this._savedZone = void 0;
+    this._waitId = channelOwner._platform.createGuid();
+    this._channelOwner = channelOwner;
+    this._savedZone = channelOwner._platform.zones.current().pop();
+    this._channelOwner._channel.waitForEventInfo({
+      info: {
+        waitId: this._waitId,
+        phase: 'before',
+        event
+      }
+    }).catch(() => {});
+    this._dispose = [() => this._channelOwner._wrapApiCall(async () => {
+      await this._channelOwner._channel.waitForEventInfo({
+        info: {
+          waitId: this._waitId,
+          phase: 'after',
+          error: this._error
+        }
+      });
+    }, true).catch(() => {})];
+  }
+  static createForEvent(channelOwner, event) {
+    return new Waiter(channelOwner, event);
+  }
+  async waitForEvent(emitter, event, predicate) {
+    const {
+      promise,
+      dispose
+    } = waitForEvent(emitter, event, this._savedZone, predicate);
+    return await this.waitForPromise(promise, dispose);
+  }
+  rejectOnEvent(emitter, event, error, predicate) {
+    const {
+      promise,
+      dispose
+    } = waitForEvent(emitter, event, this._savedZone, predicate);
+    this._rejectOn(promise.then(() => {
+      throw typeof error === 'function' ? error() : error;
+    }), dispose);
+  }
+  rejectOnTimeout(timeout, message) {
+    if (!timeout) return;
+    const {
+      promise,
+      dispose
+    } = waitForTimeout(timeout);
+    this._rejectOn(promise.then(() => {
+      throw new _errors.TimeoutError(message);
+    }), dispose);
+  }
+  rejectImmediately(error) {
+    this._immediateError = error;
+  }
+  dispose() {
+    for (const dispose of this._dispose) dispose();
+  }
+  async waitForPromise(promise, dispose) {
+    try {
+      if (this._immediateError) throw this._immediateError;
+      const result = await Promise.race([promise, ...this._failures]);
+      if (dispose) dispose();
+      return result;
+    } catch (e) {
+      if (dispose) dispose();
+      this._error = e.message;
+      this.dispose();
+      (0, _stackTrace.rewriteErrorMessage)(e, e.message + formatLogRecording(this._logs));
+      throw e;
+    }
+  }
+  log(s) {
+    this._logs.push(s);
+    this._channelOwner._wrapApiCall(async () => {
+      await this._channelOwner._channel.waitForEventInfo({
+        info: {
+          waitId: this._waitId,
+          phase: 'log',
+          message: s
+        }
+      });
+    }, true).catch(() => {});
+  }
+  _rejectOn(promise, dispose) {
+    this._failures.push(promise);
+    if (dispose) this._dispose.push(dispose);
+  }
+}
+exports.Waiter = Waiter;
+function waitForEvent(emitter, event, savedZone, predicate) {
+  let listener;
+  const promise = new Promise((resolve, reject) => {
+    listener = async eventArg => {
+      await savedZone.run(async () => {
+        try {
+          if (predicate && !(await predicate(eventArg))) return;
+          emitter.removeListener(event, listener);
+          resolve(eventArg);
+        } catch (e) {
+          emitter.removeListener(event, listener);
+          reject(e);
+        }
+      });
+    };
+    emitter.addListener(event, listener);
+  });
+  const dispose = () => emitter.removeListener(event, listener);
+  return {
+    promise,
+    dispose
+  };
+}
+function waitForTimeout(timeout) {
+  let timeoutId;
+  const promise = new Promise(resolve => timeoutId = setTimeout(resolve, timeout));
+  const dispose = () => clearTimeout(timeoutId);
+  return {
+    promise,
+    dispose
+  };
+}
+function formatLogRecording(log) {
+  if (!log.length) return '';
+  const header = ` logs `;
+  const headerLength = 60;
+  const leftLength = (headerLength - header.length) / 2;
+  const rightLength = headerLength - header.length - leftLength;
+  return `\n${'='.repeat(leftLength)}${header}${'='.repeat(rightLength)}\n${log.join('\n')}\n${'='.repeat(headerLength)}`;
+}