e07c4b2ea1
This is a partial roll-forward of c/106190 This replaces all loads of iron-test-helpers with a load of a file that wraps it, and adds that file to test files that do not currently load iron-test-helpers. A future CL will also install polymer-resin via common-test-helpers.html. I tested by running $ WCT_ARGS="-l chrome" ./polygerrit-ui/app/run_test.sh Change-Id: Ifb3cd2c8db13d724f57e56e7e78045470d103a43
259 lines
8.3 KiB
HTML
259 lines
8.3 KiB
HTML
<!DOCTYPE html>
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<!--
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Copyright (C) 2016 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
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<title>gr-cursor-manager</title>
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<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
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<script src="../../../bower_components/web-component-tester/browser.js"></script>
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<link rel="import" href="../../../test/common-test-setup.html"/>
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<link rel="import" href="gr-cursor-manager.html">
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<script>void(0);</script>
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<test-fixture id="basic">
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<template>
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<gr-cursor-manager cursor-target-class="targeted"></gr-cursor-manager>
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<ul>
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<li>A</li>
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<li>B</li>
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<li>C</li>
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<li>D</li>
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</ul>
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</template>
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</test-fixture>
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<script>
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suite('gr-cursor-manager tests', () => {
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let sandbox;
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let element;
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let list;
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setup(() => {
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sandbox = sinon.sandbox.create();
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const fixtureElements = fixture('basic');
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element = fixtureElements[0];
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list = fixtureElements[1];
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});
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teardown(() => {
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sandbox.restore();
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});
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test('core cursor functionality', () => {
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// The element is initialized into the proper state.
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assert.isArray(element.stops);
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assert.equal(element.stops.length, 0);
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assert.equal(element.index, -1);
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assert.isNotOk(element.target);
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// Initialize the cursor with its stops.
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element.stops = list.querySelectorAll('li');
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// It should have the stops but it should not be targeting any of them.
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assert.isNotNull(element.stops);
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assert.equal(element.stops.length, 4);
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assert.equal(element.index, -1);
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assert.isNotOk(element.target);
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// Select the third stop.
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element.setCursor(list.children[2]);
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// It should update its internal state and update the element's class.
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assert.equal(element.index, 2);
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assert.equal(element.target, list.children[2]);
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assert.isTrue(list.children[2].classList.contains('targeted'));
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assert.isFalse(element.isAtStart());
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assert.isFalse(element.isAtEnd());
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// Progress the cursor.
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element.next();
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// Confirm that the next stop is selected and that the previous stop is
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// unselected.
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assert.equal(element.index, 3);
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assert.equal(element.target, list.children[3]);
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assert.isTrue(element.isAtEnd());
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assert.isFalse(list.children[2].classList.contains('targeted'));
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assert.isTrue(list.children[3].classList.contains('targeted'));
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// Progress the cursor.
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element.next();
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// We should still be at the end.
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assert.equal(element.index, 3);
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assert.equal(element.target, list.children[3]);
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assert.isTrue(element.isAtEnd());
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// Wind the cursor all the way back to the first stop.
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element.previous();
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element.previous();
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element.previous();
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// The element state should reflect the end of the list.
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assert.equal(element.index, 0);
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assert.equal(element.target, list.children[0]);
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assert.isTrue(element.isAtStart());
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assert.isTrue(list.children[0].classList.contains('targeted'));
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const newLi = document.createElement('li');
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newLi.textContent = 'Z';
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list.insertBefore(newLi, list.children[0]);
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element.stops = list.querySelectorAll('li');
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assert.equal(element.index, 1);
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// De-select all targets.
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element.unsetCursor();
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// There should now be no cursor target.
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assert.isFalse(list.children[1].classList.contains('targeted'));
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assert.isNotOk(element.target);
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assert.equal(element.index, -1);
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});
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test('_moveCursor', () => {
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// Initialize the cursor with its stops.
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element.stops = list.querySelectorAll('li');
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// Select the first stop.
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element.setCursor(list.children[0]);
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const getTargetHeight = sinon.stub();
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// Move the cursor without an optional get target height function.
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element._moveCursor(1);
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assert.isFalse(getTargetHeight.called);
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// Move the cursor with an optional get target height function.
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element._moveCursor(1, null, getTargetHeight);
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assert.isTrue(getTargetHeight.called);
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});
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test('opt_noScroll', () => {
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sandbox.stub(element, '_targetIsVisible', () => false);
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const scrollStub = sandbox.stub(window, 'scrollTo');
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element.stops = list.querySelectorAll('li');
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element.scrollBehavior = 'keep-visible';
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element.setCursorAtIndex(1, true);
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assert.isFalse(scrollStub.called);
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element.setCursorAtIndex(2);
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assert.isTrue(scrollStub.called);
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});
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test('_getNextindex', () => {
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const isLetterB = function(row) {
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return row.textContent === 'B';
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};
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element.stops = list.querySelectorAll('li');
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// Start cursor at the first stop.
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element.setCursor(list.children[0]);
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// Move forward to meet the next condition.
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assert.equal(element._getNextindex(1, isLetterB), 1);
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element.index = 1;
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// Nothing else meets the condition, should be at last stop.
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assert.equal(element._getNextindex(1, isLetterB), 3);
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element.index = 3;
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// Should stay at last stop if try to proceed.
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assert.equal(element._getNextindex(1, isLetterB), 3);
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// Go back to the previous condition met. Should be back at.
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// stop 1.
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assert.equal(element._getNextindex(-1, isLetterB), 1);
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element.index = 1;
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// Go back. No more meet the condition. Should be at stop 0.
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assert.equal(element._getNextindex(-1, isLetterB), 0);
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});
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test('focusOnMove prop', () => {
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const listEls = list.querySelectorAll('li');
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for (let i = 0; i < listEls.length; i++) {
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sandbox.spy(listEls[i], 'focus');
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}
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element.stops = listEls;
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element.setCursor(list.children[0]);
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element.focusOnMove = false;
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element.next();
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assert.isFalse(element.target.focus.called);
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element.focusOnMove = true;
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element.next();
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assert.isTrue(element.target.focus.called);
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});
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suite('_scrollToTarget', () => {
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let scrollStub;
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setup(() => {
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element.stops = list.querySelectorAll('li');
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element.scrollBehavior = 'keep-visible';
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// There is a target which has a targetNext
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element.setCursor(list.children[0]);
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element._moveCursor(1);
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scrollStub = sandbox.stub(window, 'scrollTo');
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window.innerHeight = 60;
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});
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test('Called when top and bottom not visible', () => {
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sandbox.stub(element, '_targetIsVisible', () => {
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return false;
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});
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element._scrollToTarget();
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assert.isTrue(scrollStub.called);
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});
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test('Not called when top and bottom visible', () => {
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sandbox.stub(element, '_targetIsVisible', () => {
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return true;
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});
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element._scrollToTarget();
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assert.isFalse(scrollStub.called);
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});
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test('Called when top is visible, bottom is not, scroll is lower', () => {
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const visibleStub = sandbox.stub(element, '_targetIsVisible',
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() => visibleStub.callCount === 2);
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window.scrollY = 15;
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sandbox.stub(element, '_calculateScrollToValue', () => {
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return 20;
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});
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element._scrollToTarget();
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assert.isTrue(scrollStub.called);
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assert.equal(visibleStub.callCount, 2);
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});
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test('Called when top is visible, bottom not, scroll is higher', () => {
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const visibleStub = sandbox.stub(element, '_targetIsVisible',
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() => visibleStub.callCount === 2);
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window.scrollY = 25;
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sandbox.stub(element, '_calculateScrollToValue', () => {
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return 20;
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});
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element._scrollToTarget();
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assert.isFalse(scrollStub.called);
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assert.equal(visibleStub.callCount, 2);
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});
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});
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});
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</script>
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