Setup new testing system

scroll-into-view · May 12, 2018 · 7535a2d · 7535a2d
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diff --git a/tests/web-platform/css/cssom-view/scrollIntoView-smooth.html b/tests/web-platform/css/cssom-view/scrollIntoView-smooth.html
@@ -0,0 +1,101 @@
+<!DOCTYPE HTML>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<title>Check End Position of smooth scrollIntoView</title>
+<div id="container" style="height: 2500px; width: 2500px;">
+  <div id="content" style="height: 500px; width: 500px;margin-left: 1000px; margin-right: 1000px; margin-top: 1000px;margin-bottom: 1000px;background-color: red">
+  </div>
+  <div id="shadow"></div>
+</div>
+<script>
+var content_height = 500;
+var content_width = 500;
+var window_height = document.documentElement.clientHeight;
+var window_width = document.documentElement.clientWidth;
+var content = document.getElementById("content");
+add_completion_callback(() => document.getElementById("container").remove());
+
+function waitForScrollEnd() {
+  var last_changed_frame = 0;
+  var last_x = window.scrollX;
+  var last_y = window.scrollY;
+  return new Promise((resolve, reject) => {
+    function tick(frames) {
+      // We requestAnimationFrame either for 500 frames or until 20 frames with
+      // no change have been observed.
+      if (frames >= 500 || frames - last_changed_frame > 20) {
+        resolve();
+      } else {
+        if (window.scrollX != last_x || window.scrollY != last_y) {
+          last_changed_frame = frames;
+          last_x = window.scrollX;
+          last_y = window.scrollY;
+        }
+        requestAnimationFrame(tick.bind(null, frames + 1));
+      }
+    }
+    tick(0);
+  });
+}
+
+// When testing manually, we need an additional frame at beginning
+// to trigger the effect.
+requestAnimationFrame(() => {
+promise_test(t => {
+  window.scrollTo(0, 0);
+  var expected_x = content.offsetLeft + content_width - window_width;
+  var expected_y = content.offsetTop + content_height - window_height;
+  assert_not_equals(window.scrollX, expected_x);
+  assert_not_equals(window.scrollY, expected_y);
+  content.scrollIntoView({behavior: "smooth", block: "nearest", inline:
+"nearest"});
+  return waitForScrollEnd().then(() => {
+    assert_approx_equals(window.scrollX, expected_x, 1);
+    assert_approx_equals(window.scrollY, expected_y, 1);
+  });
+}, "Smooth scrollIntoView should scroll the element to the 'nearest' position");
+
+promise_test(t => {
+  window.scrollTo(0, 0);
+  var expected_x = content.offsetLeft;
+  var expected_y = content.offsetTop;
+  assert_not_equals(window.scrollX, expected_x);
+  assert_not_equals(window.scrollY, expected_y);
+  content.scrollIntoView({behavior: "smooth", block: "start", inline:
+"start"});
+  return waitForScrollEnd().then(() => {
+    assert_approx_equals(window.scrollX, expected_x, 1);
+    assert_approx_equals(window.scrollY, expected_y, 1);
+  });
+}, "Smooth scrollIntoView should scroll the element to the 'start' position");
+
+promise_test(t => {
+  window.scrollTo(0, 0);
+  var expected_x = content.offsetLeft + (content_width - window_width) / 2;
+  var expected_y = content.offsetTop + (content_height - window_height) / 2;
+  assert_not_equals(window.scrollX, expected_x);
+  assert_not_equals(window.scrollY, expected_y);
+  content.scrollIntoView({behavior: "smooth", block: "center", inline:
+"center"});
+  return waitForScrollEnd().then(() => {
+    assert_approx_equals(window.scrollX, expected_x, 1);
+    assert_approx_equals(window.scrollY, expected_y, 1);
+  });
+}, "Smooth scrollIntoView should scroll the element to the 'center' position");
+
+promise_test(t => {
+  window.scrollTo(0, 0);
+  var expected_x = content.offsetLeft + content_width - window_width;
+  var expected_y = content.offsetTop + content_height - window_height;
+  assert_not_equals(window.scrollX, expected_x);
+  assert_not_equals(window.scrollY, expected_y);
+  content.scrollIntoView({behavior: "smooth", block: "end", inline:
+"end"});
+  return waitForScrollEnd().then(() => {
+    assert_approx_equals(window.scrollX, expected_x, 1);
+    assert_approx_equals(window.scrollY, expected_y, 1);
+  });
+}, "Smooth scrollIntoView should scroll the element to the 'end' position");
+
+});
+</script>
diff --git a/tests/web-platform/css/cssom-view/scrollintoview.html b/tests/web-platform/css/cssom-view/scrollintoview.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<title>CSSOM View - scrollIntoView</title>
+<meta charset="utf-8">
+<link rel="author" title="Chris Wu" href="mailto:pwx.frontend@gmail.com">
+<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-element-scrollintoview">
+<link rel="help" href="https://heycam.github.io/webidl/#es-operations">
+<link rel="help" href="https://heycam.github.io/webidl/#es-overloads">
+<meta name="flags" content="dom">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+body.running { margin: 0; padding: 4000px; overflow: hidden }
+body.running #testDiv {
+  width: 200px;
+  height: 200px;
+  background-color: lightgreen;
+}
+</style>
+<body class=running>
+<div id=testDiv></div>
+<div id="log"></div>
+<script>
+var testDiv = document.getElementById('testDiv');
+
+var expectedXLeft = 4000;
+var expectedXRight = 4000 - window.innerWidth + testDiv.clientWidth;
+var expectedXCenter = 4000 - (window.innerWidth / 2) + (testDiv.clientWidth / 2);
+
+var expectedYTop = 4000;
+var expectedYBottom = 4000 - window.innerHeight + testDiv.clientHeight;
+var expectedYCenter = 4000 - (window.innerHeight / 2) + (testDiv.clientHeight / 2);
+
+[
+  ["omitted argument", "nearest", expectedYTop],
+  [true, "nearest", expectedYTop],
+  [false, "nearest", expectedYBottom],
+  [undefined, "nearest", expectedYTop],
+  [null, "nearest", expectedYTop],
+  [{}, "nearest", expectedYTop],
+  [{block: "center", inline: "center"}, expectedXCenter, expectedYCenter],
+  [{block: "start", inline: "start"}, expectedXLeft, expectedYTop],
+  [{block: "end", inline: "end"}, expectedXRight, expectedYBottom],
+  [{block: "nearest", inline: "nearest"}, "nearest", "nearest"],
+].forEach(([input, expectedX, expectedY]) => {
+  test(() => {
+    window.scrollTo(0, 0);
+    testScrollIntoView(input);
+    var x = (expectedX === "nearest") ? expectedXRight : expectedX;
+    var y = (expectedY === "nearest") ? expectedYBottom : expectedY;
+    assert_approx_equals(window.scrollX, x, 0.5, 'scrollX');
+    assert_approx_equals(window.scrollY, y, 0.5, 'scrollY');
+  }, `scrollIntoView(${format_input(input)}) starting at left,top`);
+
+  test(() => {
+    window.scrollTo(0, 12000);
+    testScrollIntoView(input);
+    var x = (expectedX === "nearest") ? expectedXRight : expectedX;
+    var y = (expectedY === "nearest") ? expectedYTop : expectedY;
+    assert_approx_equals(window.scrollX, x, 0.5, 'scrollX');
+    assert_approx_equals(window.scrollY, y, 0.5, 'scrollY');
+  }, `scrollIntoView(${format_input(input)}) starting at left,bottom`);
+
+  test(() => {
+    window.scrollTo(12000, 0);
+    testScrollIntoView(input);
+    var x = (expectedX === "nearest") ? expectedXLeft : expectedX;
+    var y = (expectedY === "nearest") ? expectedYBottom : expectedY;
+    assert_approx_equals(window.scrollX, x, 0.5, 'scrollX');
+    assert_approx_equals(window.scrollY, y, 0.5, 'scrollY');
+  }, `scrollIntoView(${format_input(input)}) starting at right,top`);
+
+  test(() => {
+    window.scrollTo(12000, 12000);
+    testScrollIntoView(input);
+    var x = (expectedX === "nearest") ? expectedXLeft : expectedX;
+    var y = (expectedY === "nearest") ? expectedYTop : expectedY;
+    assert_approx_equals(window.scrollX, x, 0.5, 'scrollX');
+    assert_approx_equals(window.scrollY, y, 0.5, 'scrollY');
+  }, `scrollIntoView(${format_input(input)}) starting at right,bottom`);
+});
+
+function testScrollIntoView(input) {
+  if (input === "omitted argument") {
+    testDiv.scrollIntoView();
+  } else {
+    testDiv.scrollIntoView(input);
+  }
+}
+
+// This formats dict as a string suitable as test name.
+// format_value() is provided by testharness.js,
+// which also preserves sign for -0.
+function format_dict(dict) {
+  const props = [];
+  for (let prop in dict) {
+    props.push(`${prop}: ${format_value(dict[prop])}`);
+  }
+  return `{${props.join(', ')}}`;
+}
+
+function format_input(input) {
+  if (input === "omitted argument") {
+    return "";
+  } else if (input === null || typeof input !== "object") {
+    return format_value(input);
+  }
+  return format_dict(input);
+}
+
+document.body.classList.remove('running');
+window.scrollTo(0, 0);
+</script>
diff --git a/tests/web-platform/package.json b/tests/web-platform/package.json
@@ -1,14 +1,12 @@
 {
   "private": true,
   "scripts": {
-    "start": "micro",
+    "start": "serve -i node_modules/,cypress/",
     "test": "cypress run --browser chrome --reporter junit --reporter-options 'mochaFile=junit/test-results.xml'"
   },
   "dependencies": {
-    "micro": "9.3.0",
-    "node-fetch": "2.1.2",
-    "replacestream": "4.0.3",
-    "scroll-into-view-if-needed": "link:../.."
+    "scroll-into-view-if-needed": "link:../..",
+    "serve": "6.5.6"
   },
   "devDependencies": {
     "cypress": "2.1.0"