如何在量角器期望運行之前返回承諾？

Question

Person.prototype.checkAssignmentIncomplete = Person.chain(function (data) {
var self = this;

var assignmentPane = self.browser.element(by.id(data.testId + '#' + data.deadline));
expect(assignmentPane.isPresent()).toBe(true);

assignmentPane.click();
self.browser.waitForAngular();

var foundName = false;
var promises = [];
element.all(by.binding('member.user.fullname')).each(function (nameColumn) {
    var row = nameColumn.element(by.xpath('..'));
    var promise = nameColumn.getText().then(function (name) {
        foundName = foundName || data.name === name;
        if (foundName) {
            var reviewButton = row.element(by.className('icon'));
            expect(reviewButton.isPresent()).toBe(false);
        }
    });
    promises.push(promise);
});

q.all(promises).then(function () {
    expect(foundName).toBe(true);
});

});

我在Protractor中進行自動化測試時遇到問題，似乎認為foundName為假，並且我知道運行該程序時的確是事實。 我的結論是，期望函數是在諾言完成之前運行的。

我想知道如何在檢查Expect函數中的foundName之前確保諾言已經完成？

Answer 1

    var self = this;

var assignmentPane = self.browser.element(by.id(data.testId + '#' + data.deadline));
expect(assignmentPane.isPresent()).toBe(true);

assignmentPane.click();
self.browser.waitForAngular();

var foundName = false;
element.all(by.binding('member.user.fullname')).each(function (nameColumn) {
    var row = nameColumn.element(by.xpath('..'));
    nameColumn.getText().then(function (name) {
        foundName = foundName || data.name === name;
        if (foundName) {
            var reviewButton = row.element(by.className('icon'));
            expect(reviewButton.isPresent()).toBe(false);
        }
    });
}).then(function () {
    expect(foundName).toBe(true);
});

這並不是一個理想的解決方案，但是在每個函數之后添加promise似乎可以解決我遇到的問題。

Answer 2

解析承諾數組時，嘗試使用protractor.promise.all（promises）函數進行回調-https: //angular.github.io/protractor/#/api?view=promise.all

q lib可能在這里不起作用