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FIX: isBackNavigation worng when navigation away form page that is not backstack visible

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This commit is contained in:
vakrilov
2016-07-19 18:48:55 +03:00
parent fa48f4e425
commit ef6a24a5de
3 changed files with 152 additions and 57 deletions
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163
tests/app/navigation/navigation-tests.ts
View File

@ -5,9 +5,9 @@ import {Color} from "color";
import helper = require("../ui/helper");
// Creates a random colorful page full of meaningless stuff.
var id = 0;
var pageFactory = function (): Page {
var page = new Page();
let id = 0;
let pageFactory = function (): Page {
const page = new Page();
page.actionBarHidden = true;
page.id = `NavTestPage${id++}`;
page.style.backgroundColor = new Color(255, Math.round(Math.random() * 255), Math.round(Math.random() * 255), Math.round(Math.random() * 255));
@ -22,6 +22,17 @@ function androidGC() {
}
}
function attachEventListeners(page: Page, events: Array<string>) {
let argsToString = (args: NavigatedData) => {
return `${(<Page>args.object).id} ${args.eventName} ${(args.isBackNavigation ? "back" : "forward")}`;
};
page.on(Page.navigatingFromEvent, (args: NavigatedData) => { events.push(argsToString(args)); });
page.on(Page.navigatedFromEvent, (args: NavigatedData) => { events.push(argsToString(args)); });
page.on(Page.navigatingToEvent, (args: NavigatedData) => { events.push(argsToString(args)); });
page.on(Page.navigatedToEvent, (args: NavigatedData) => { events.push(argsToString(args)); });
}
function _test_backstackVisible(transition?: NavigationTransition) {
let topmost = topmostFrame();
let mainTestPage = topmost.currentPage;
@ -42,12 +53,12 @@ function _test_backstackVisible(transition?: NavigationTransition) {
TKUnit.assertEqual(topmost.currentPage, mainTestPage, "We should be on the main test page at the end of the test.");
}
export var test_backstackVisible = function () {
export function test_backstackVisible() {
androidGC();
_test_backstackVisible();
}
export var test_backstackVisible_WithTransition = function () {
export function test_backstackVisible_WithTransition() {
androidGC();
_test_backstackVisible({ name: "fade" });
}
@ -55,26 +66,29 @@ export var test_backstackVisible_WithTransition = function () {
function _test_backToEntry(transition?: NavigationTransition) {
let topmost = topmostFrame();
let page = (tag) => () => {
var p = new Page();
const p = new Page();
p.actionBarHidden = true;
p.id = `NavTestPage${id++}`;
p["tag"] = tag;
return p;
}
};
let mainTestPage = topmost.currentPage;
let waitFunc = tag => TKUnit.waitUntilReady(() => topmost.currentPage["tag"] === tag, 1);
let navigate = tag => {
topmost.navigate({ create: page(tag), transition: transition, animated: true });
waitFunc(tag);
}
};
let back = pages => {
topmost.goBack(topmost.backStack[topmost.backStack.length - pages]);
}
};
let currentPageMustBe = tag => {
waitFunc(tag); // TODO: Add a timeout...
TKUnit.assert(topmost.currentPage["tag"] === tag, "Expected current page to be " + tag + " it was " + topmost.currentPage["tag"] + " instead.");
}
};
navigate("page1");
navigate("page2");
@ -99,12 +113,12 @@ function _test_backToEntry(transition?: NavigationTransition) {
TKUnit.assertEqual(topmost.currentPage, mainTestPage, "We should be on the main test page at the end of the test.");
}
export var test_backToEntry = function () {
export function test_backToEntry() {
androidGC();
_test_backToEntry();
}
export var test_backToEntry_WithTransition = function () {
export function test_backToEntry_WithTransition() {
androidGC();
_test_backToEntry({ name: "flip" });
}
@ -141,17 +155,17 @@ function _test_ClearHistory(transition?: NavigationTransition) {
}
// Clearing the history messes up the tests app.
export var test_ClearHistory = function () {
export function test_ClearHistory() {
androidGC();
_test_ClearHistory();
}
export var test_ClearHistory_WithTransition = function () {
export function test_ClearHistory_WithTransition() {
androidGC();
_test_ClearHistory({ name: "fade" });
}
export var test_ClearHistory_WithTransition_WithCachePagesOnNavigate = function () {
export function test_ClearHistory_WithTransition_WithCachePagesOnNavigate() {
androidGC();
let topmost = topmostFrame();
if (!topmost.android) {
@ -165,7 +179,7 @@ export var test_ClearHistory_WithTransition_WithCachePagesOnNavigate = function
}
// Test case for https://github.com/NativeScript/NativeScript/issues/1948
export var test_ClearHistoryWithTransitionDoesNotBreakNavigation = function () {
export function test_ClearHistoryWithTransitionDoesNotBreakNavigation() {
androidGC();
let topmost = topmostFrame();
let mainTestPage = topmost.currentPage;
@ -194,9 +208,10 @@ export var test_ClearHistoryWithTransitionDoesNotBreakNavigation = function () {
TKUnit.assertEqual(topmost.backStack.length, 0, "Back stack should be empty at the end of the test.");
}
export var test_ClearHistoryWithTransitionDoesNotBreakNavigation_WithLocalTransition = function () {
export function test_ClearHistoryWithTransitionDoesNotBreakNavigation_WithLocalTransition() {
androidGC();
let topmost = topmostFrame();
const topmost = topmostFrame();
let originalCachePagesOnNavigate: boolean;
if (topmost.android) {
originalCachePagesOnNavigate = topmost.android.cachePagesOnNavigate;
@ -229,29 +244,20 @@ export var test_ClearHistoryWithTransitionDoesNotBreakNavigation_WithLocalTransi
}
function _test_NavigationEvents(transition?: NavigationTransition) {
let topmost = topmostFrame();
let argsToString = (args: NavigatedData) => {
return `${(<Page>args.object).id} ${args.eventName} ${(args.isBackNavigation ? "back" : "forward") }`
};
const topmost = topmostFrame();
const mainTestPage = topmost.currentPage;
const originalMainPageId = mainTestPage.id;
let mainTestPage = topmost.currentPage;
let originalMainPageId = mainTestPage.id;
mainTestPage.id = "main-page";
let actualMainPageEvents = new Array<string>();
mainTestPage.on(Page.navigatingFromEvent, (args: NavigatedData) => { actualMainPageEvents.push(argsToString(args)); });
mainTestPage.on(Page.navigatedFromEvent, (args: NavigatedData) => { actualMainPageEvents.push(argsToString(args)); });
mainTestPage.on(Page.navigatingToEvent, (args: NavigatedData) => { actualMainPageEvents.push(argsToString(args)); });
mainTestPage.on(Page.navigatedToEvent, (args: NavigatedData) => { actualMainPageEvents.push(argsToString(args)); });
attachEventListeners(mainTestPage, actualMainPageEvents);
let actualSecondPageEvents = new Array<string>();
let secondPageFactory = function (): Page {
var secondPage = new Page();
const secondPage = new Page();
secondPage.actionBarHidden = true;
secondPage.id = "second-page"
secondPage.on(Page.navigatingFromEvent, (args: NavigatedData) => { actualSecondPageEvents.push(argsToString(args)); });
secondPage.on(Page.navigatedFromEvent, (args: NavigatedData) => { actualSecondPageEvents.push(argsToString(args)); });
secondPage.on(Page.navigatingToEvent, (args: NavigatedData) => { actualSecondPageEvents.push(argsToString(args)); });
secondPage.on(Page.navigatedToEvent, (args: NavigatedData) => { actualSecondPageEvents.push(argsToString(args)); });
secondPage.id = "second-page";
attachEventListeners(secondPage, actualSecondPageEvents);
secondPage.style.backgroundColor = new Color(255, Math.round(Math.random() * 255), Math.round(Math.random() * 255), Math.round(Math.random() * 255));
return secondPage;
};
@ -283,12 +289,97 @@ function _test_NavigationEvents(transition?: NavigationTransition) {
TKUnit.assertEqual(topmost.currentPage, mainTestPage, "We should be on the main test page at the end of the test.");
}
export var test_NavigationEvents = function () {
export function test_NavigationEvents() {
androidGC();
_test_NavigationEvents();
}
export var test_NavigationEvents_WithTransition = function () {
export function test_NavigationEvents_WithTransition() {
androidGC();
_test_NavigationEvents({ name: "fade" });
}
function _test_NavigationEvents_WithBackstackVisibile_False_Forward_Back(transition?: NavigationTransition) {
const topmost = topmostFrame();
const mainTestPage = topmost.currentPage;
let actualSecondPageEvents = new Array<string>();
let secondPageFactory = function (): Page {
const secondPage = new Page();
secondPage.actionBarHidden = true;
secondPage.id = "second-page";
attachEventListeners(secondPage, actualSecondPageEvents);
secondPage.style.backgroundColor = new Color(255, Math.round(Math.random() * 255), Math.round(Math.random() * 255), Math.round(Math.random() * 255));
return secondPage;
};
// Go to other page
helper.navigateWithEntry({ create: secondPageFactory, transition: transition, animated: true, backstackVisible: false });
// Go back to main
helper.goBack();
let expectedSecondPageEvents = [
"second-page navigatingTo forward",
"second-page navigatedTo forward",
"second-page navigatingFrom back",
"second-page navigatedFrom back"
];
TKUnit.arrayAssert(actualSecondPageEvents, expectedSecondPageEvents, "Actual second-page events are different from expected.");
TKUnit.assertEqual(topmost.currentPage, mainTestPage, "We should be on the main test page at the end of the test.");
}
export function test_NavigationEvents_WithBackstackVisibile_False_Forward_Back() {
androidGC();
_test_NavigationEvents_WithBackstackVisibile_False_Forward_Back();
}
export function test_NavigationEvents_WithBackstackVisibile_False_Forward_Back_WithTransition() {
androidGC();
_test_NavigationEvents_WithBackstackVisibile_False_Forward_Back({ name: "fade" });
}
function _test_NavigationEvents_WithBackstackVisibile_False_Forward_Forward(transition?: NavigationTransition) {
const topmost = topmostFrame();
const mainTestPage = topmost.currentPage;
let actualSecondPageEvents = new Array<string>();
let secondPageFactory = function (): Page {
const secondPage = new Page();
secondPage.actionBarHidden = true;
secondPage.id = "second-page";
attachEventListeners(secondPage, actualSecondPageEvents);
secondPage.style.backgroundColor = new Color(255, Math.round(Math.random() * 255), Math.round(Math.random() * 255), Math.round(Math.random() * 255));
return secondPage;
};
// Go to other page
helper.navigateWithEntry({ create: secondPageFactory, transition: transition, animated: true, backstackVisible: false });
// Go forward to third page
helper.navigateWithEntry({ create: pageFactory, transition: transition, animated: true });
// Go back to main
helper.goBack();
let expectedSecondPageEvents = [
"second-page navigatingTo forward",
"second-page navigatedTo forward",
"second-page navigatingFrom forward",
"second-page navigatedFrom forward"
];
TKUnit.arrayAssert(actualSecondPageEvents, expectedSecondPageEvents, "Actual second-page events are different from expected.");
TKUnit.assertEqual(topmost.currentPage, mainTestPage, "We should be on the main test page at the end of the test.");
}
export function test_NavigationEvents_WithBackstackVisibile_False_Forward_Forward() {
androidGC();
_test_NavigationEvents_WithBackstackVisibile_False_Forward_Forward();
}
export function test_NavigationEvents_WithBackstackVisibile_False_Forward_Forward_WithTransition() {
androidGC();
_test_NavigationEvents_WithBackstackVisibile_False_Forward_Forward({ name: "fade" });
}

2
tns-core-modules/ui/frame/frame.ios.ts
View File

@ -145,6 +145,8 @@ export class Frame extends frameCommon.Frame {
viewController.navigationItem.hidesBackButton = this.backStack.length === 0;
// swap the top entry with the new one
var skippedNavController = newControllers.lastObject;
skippedNavController.isBackstackSkipped = true;
newControllers.removeLastObject();
newControllers.addObject(viewController);

6
tns-core-modules/ui/page/page.ios.ts
View File

@ -35,6 +35,8 @@ class UIViewControllerImpl extends UIViewController {
private _owner: WeakRef<Page>;
public isBackstackSkipped: boolean;
public static initWithOwner(owner: WeakRef<Page>): UIViewControllerImpl {
let controller = <UIViewControllerImpl>UIViewControllerImpl.new();
controller._owner = owner;
@ -225,7 +227,7 @@ class UIViewControllerImpl extends UIViewController {
var frame = page.frame;
// Skip navigation events if we are hiding because we are about to show modal page.
if (!page._presentedViewController && frame && frame.currentPage === page) {
let isBack = page.frame && (!this.navigationController || !this.navigationController.viewControllers.containsObject(this));
let isBack = page.frame && (!this.navigationController || !this.navigationController.viewControllers.containsObject(this)) && !this.isBackstackSkipped;
page.onNavigatingFrom(isBack);
}
@ -265,7 +267,7 @@ class UIViewControllerImpl extends UIViewController {
// Remove from parent if page was in frame and we navigated back.
// Showing page modally will not pass isBack check so currentPage won't be removed from Frame.
let isBack = frame && (!this.navigationController || !this.navigationController.viewControllers.containsObject(this));
let isBack = frame && (!this.navigationController || !this.navigationController.viewControllers.containsObject(this)) && !this.isBackstackSkipped;
if (isBack) {
// Remove parent when navigating back.
frame._removeView(page);