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Bug 1246677 - 1 - Make waitForSuccess work with async functions; r=miker

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MozReview-Commit-ID: Ic0UyApQpB7

--HG--
extra : rebase_source : da22978c67e456ab5ba9fedecd228682cdd10ba5
This commit is contained in:
Patrick Brosset 2016-02-08 17:38:57 +01:00
parent 7c66c16a79
commit a932228b1a
3 changed files with 23 additions and 22 deletions
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2
devtools/client/inspector/rules/test/browser_rules_cubicbezier-commit-on-ENTER.js
View File

@ -39,7 +39,7 @@ function* testPressingEnterCommitsChanges(swatch, ruleView) {
widget.coordinates = [0.1, 2, 0.9, -1]; widget.coordinates = [0.1, 2, 0.9, -1];
let expected = "cubic-bezier(0.1, 2, 0.9, -1)"; let expected = "cubic-bezier(0.1, 2, 0.9, -1)";
yield waitForSuccess(() => { yield waitForSuccess(function*() {
return content.getComputedStyle(content.document.body) return content.getComputedStyle(content.document.body)
.transitionTimingFunction === expected; .transitionTimingFunction === expected;
}, "Waiting for the change to be previewed on the element"); }, "Waiting for the change to be previewed on the element");

7
devtools/client/inspector/rules/test/browser_rules_original-source-link.js
View File

@ -78,8 +78,7 @@ function editorSelected(editor) {
function verifyLinkText(text, view) { function verifyLinkText(text, view) {
info("Verifying that the rule-view stylesheet link is " + text); info("Verifying that the rule-view stylesheet link is " + text);
let label = getRuleViewLinkByIndex(view, 1).querySelector("label"); let label = getRuleViewLinkByIndex(view, 1).querySelector("label");
return waitForSuccess( return waitForSuccess(function*() {
() => label.getAttribute("value") == text, return label.getAttribute("value") == text;
"Link text changed to display correct location: " + text }, "Link text changed to display correct location: " + text);
);
} }

34
devtools/client/inspector/rules/test/head.js
View File

@ -312,10 +312,10 @@ var waitForTab = Task.async(function*() {
}); });
/** /**
* Polls a given function waiting for it to return true. * Polls a given generator function waiting for it to return true.
* *
* @param {Function} validatorFn * @param {Function} validatorFn
* A validator function that returns a boolean. * A validator generator function that returns a boolean.
* This is called every few milliseconds to check if the result is true. * This is called every few milliseconds to check if the result is true.
* When it is true, the promise resolves. * When it is true, the promise resolves.
* @param {String} name * @param {String} name
@ -324,21 +324,22 @@ var waitForTab = Task.async(function*() {
* @return a promise that resolves when the function returned true or rejects * @return a promise that resolves when the function returned true or rejects
* if the timeout is reached * if the timeout is reached
*/ */
function waitForSuccess(validatorFn, name="untitled") { var waitForSuccess = Task.async(function*(validatorFn, desc = "untitled") {
let def = promise.defer(); let i = 0;
while (true) {
function wait(validator) { info("Checking: " + desc);
if (validator()) { if (yield validatorFn()) {
ok(true, "Validator function " + name + " returned true"); ok(true, "Success: " + desc);
def.resolve(); break;
} else {
setTimeout(() => wait(validator), 200);
} }
i++;
if (i > 10) {
ok(false, "Failure: " + desc);
break;
} }
wait(validatorFn); yield new Promise(r => setTimeout(r, 200));
}
return def.promise; });
}
/** /**
* Create a new style tag containing the given style text and append it to the * Create a new style tag containing the given style text and append it to the
@ -525,8 +526,9 @@ var simulateColorPickerChange = Task.async(function*(ruleView, colorPicker,
if (expectedChange) { if (expectedChange) {
info("Waiting for the style to be applied on the page"); info("Waiting for the style to be applied on the page");
yield waitForSuccess(() => { yield waitForSuccess(function*() {
let {element, name, value} = expectedChange; let {element, name, value} = expectedChange;
yield getComputedStyleProperty(selector, null, name)
return content.getComputedStyle(element)[name] === value; return content.getComputedStyle(element)[name] === value;
}, "Color picker change applied on the page"); }, "Color picker change applied on the page");
} }