improve tests

packages/overlayscrollbars/src/setups/structureSetup/updateSegments/overflowUpdateSegment.ts

@@ -397,6 +397,7 @@ export const createOverflowUpdate: CreateStructureUpdateSegment = (
     const [showNativeOverlaidScrollbarsOption, showNativeOverlaidScrollbarsChanged] =
       checkOption<boolean>('nativeScrollbarsOverlaid.show');
     const [overflow, overflowChanged] = checkOption<XY<OverflowBehavior>>('overflow');
+
     const showNativeOverlaidScrollbars =
       showNativeOverlaidScrollbarsOption &&
       _nativeScrollbarIsOverlaid.x &&
@@ -427,10 +428,6 @@ export const createOverflowUpdate: CreateStructureUpdateSegment = (
       fixFlexboxGlue(preMeasureViewportOverflowState, _heightIntrinsic);
     }
 
-    if (overflowVisible) {
-      removeClass(_viewport, classNameOverflowVisible);
-    }
-
     if (
       _sizeChanged ||
       _paddingStyleChanged ||
@@ -438,6 +435,10 @@ export const createOverflowUpdate: CreateStructureUpdateSegment = (
       _directionChanged ||
       showNativeOverlaidScrollbarsChanged
     ) {
+      if (overflowVisible) {
+        removeClass(_viewport, classNameOverflowVisible);
+      }
+
       const [redoViewportArrange, undoViewportArrangeOverflowState] = undoViewportArrange(
         showNativeOverlaidScrollbars,
         _directionIsRTL,

packages/overlayscrollbars/tests/playwright/lifecycles/structureLifecycle/index.browser.ts

@@ -18,6 +18,8 @@ import { resize } from '@/testing-browser/Resize';
 import { setTestResult, waitForOrFailTest } from '@/testing-browser/TestResult';
 import { generateClassChangeSelectCallback, iterateSelect } from '@/testing-browser/Select';
 import { timeout } from '@/testing-browser/timeout';
+import { OSOptions } from 'options';
+import { PartialOptions } from 'typings';
 
 interface Metrics {
   offset: {
@@ -53,6 +55,70 @@ interface CheckComparisonObj {
 
 const isFractionalPixelRatio = () => window.devicePixelRatio % 1 !== 0;
 
+const isVisibleOverflow = (val: string) => val.indexOf('visible') === 0;
+
+const expectedOverflowVisibleBehavior = (
+  overflowOptionAxis: string,
+  hasOverflowOtherAxis: boolean
+) => {
+  const overflowVisibleBehavior = overflowOptionAxis.replace('visible', '').slice(1);
+  return hasOverflowOtherAxis ? overflowVisibleBehavior || 'hidden' : 'visible';
+};
+
+// @ts-ignore
+const msie11 = !!window.MSInputMethodContext && !!document.documentMode;
+const msedge = window.navigator.userAgent.toLowerCase().indexOf('edge') > -1;
+
+msie11 && addClass(document.body, 'msie11');
+
+const useContentElement = false;
+const fixedDigits = msie11 ? 1 : 3;
+const fixedDigitsOffset = 3;
+
+const startBtn: HTMLButtonElement | null = document.querySelector('#start');
+const target: HTMLElement | null = document.querySelector('#target');
+const targetMetrics: HTMLElement | null = document.querySelector('#targetMetrics');
+const comparison: HTMLElement | null = document.querySelector('#comparison');
+const comparisonMetrics: HTMLElement | null = document.querySelector('#comparisonMetrics');
+const targetResize: HTMLElement | null = document.querySelector('#target .resize');
+const comparisonResize: HTMLElement | null = document.querySelector('#comparison .resize');
+const targetPercent: HTMLElement | null = document.querySelector('#target .percent');
+const comparisonPercent: HTMLElement | null = document.querySelector('#comparison .percent');
+const targetEnd: HTMLElement | null = document.querySelector('#target .end');
+const comparisonEnd: HTMLElement | null = document.querySelector('#comparison .end');
+const targetOptionsSlot: HTMLElement | null = document.querySelector('#options');
+const targetUpdatesSlot: HTMLElement | null = document.querySelector('#updates');
+
+const envElms = document.querySelectorAll<HTMLElement>('.env');
+
+if (!useContentElement) {
+  envElms.forEach((elm) => {
+    addClass(elm, 'intrinsic-hack');
+  });
+}
+
+let updateCount = 0;
+// @ts-ignore
+const osInstance =
+  // @ts-ignore
+  (window.os = OverlayScrollbars(
+    { target: target!, content: useContentElement },
+    { nativeScrollbarsOverlaid: { initialize: true } },
+    {
+      updated() {
+        updateCount++;
+        requestAnimationFrame(() => {
+          if (targetUpdatesSlot) {
+            targetUpdatesSlot.textContent = `${updateCount}`;
+          }
+          if (targetOptionsSlot) {
+            targetOptionsSlot.textContent = JSON.stringify(osInstance.options().overflow, null, 2);
+          }
+        });
+      },
+    }
+  ));
+
 const getMetrics = (elm: HTMLElement): Metrics => {
   // const rounding = isFractionalPixelRatio() ? Math.round : (num: number) => num;
   const elmIsTarget = elm === target;
@@ -128,66 +194,6 @@ const metricsDimensionsEqual = (a: Metrics, b: Metrics) => {
   return JSON.stringify(aDimensions) === JSON.stringify(bDimensions);
 };
 
-const isVisibleOverflow = (val: string) => val.indexOf('visible') === 0;
-
-const expectedOverflowVisibleBehavior = (
-  overflowOptionAxis: string,
-  hasOverflowOtherAxis: boolean
-) => {
-  const overflowVisibleBehavior = overflowOptionAxis.replace('visible', '').slice(1);
-  return hasOverflowOtherAxis ? overflowVisibleBehavior || 'hidden' : 'visible';
-};
-
-// @ts-ignore
-const msie11 = !!window.MSInputMethodContext && !!document.documentMode;
-const msedge = window.navigator.userAgent.toLowerCase().indexOf('edge') > -1;
-
-msie11 && addClass(document.body, 'msie11');
-
-const useContentElement = false;
-const fixedDigits = msie11 ? 1 : 3;
-const fixedDigitsOffset = 3;
-
-const startBtn: HTMLButtonElement | null = document.querySelector('#start');
-const target: HTMLElement | null = document.querySelector('#target');
-const targetMetrics: HTMLElement | null = document.querySelector('#targetMetrics');
-const comparison: HTMLElement | null = document.querySelector('#comparison');
-const comparisonMetrics: HTMLElement | null = document.querySelector('#comparisonMetrics');
-const targetResize: HTMLElement | null = document.querySelector('#target .resize');
-const comparisonResize: HTMLElement | null = document.querySelector('#comparison .resize');
-const targetPercent: HTMLElement | null = document.querySelector('#target .percent');
-const comparisonPercent: HTMLElement | null = document.querySelector('#comparison .percent');
-const targetEnd: HTMLElement | null = document.querySelector('#target .end');
-const comparisonEnd: HTMLElement | null = document.querySelector('#comparison .end');
-const targetUpdatesSlot: HTMLElement | null = document.querySelector('#updates');
-
-const envElms = document.querySelectorAll<HTMLElement>('.env');
-
-if (!useContentElement) {
-  envElms.forEach((elm) => {
-    addClass(elm, 'intrinsic-hack');
-  });
-}
-
-let updateCount = 0;
-// @ts-ignore
-const osInstance =
-  // @ts-ignore
-  (window.os = OverlayScrollbars(
-    { target: target!, content: useContentElement },
-    { nativeScrollbarsOverlaid: { initialize: true } },
-    {
-      updated() {
-        updateCount++;
-        requestAnimationFrame(() => {
-          if (targetUpdatesSlot) {
-            targetUpdatesSlot.textContent = `${updateCount}`;
-          }
-        });
-      },
-    }
-  ));
-
 target!.querySelector('.os-viewport')?.addEventListener('scroll', (e) => {
   const viewport: HTMLElement | null = e.currentTarget as HTMLElement;
   comparison!.scrollLeft = viewport.scrollLeft;
@@ -445,8 +451,13 @@ const checkMetrics = async (checkComparison: CheckComparisonObj) => {
   });
 };
 
-const iterate = async (select: HTMLSelectElement | null, afterEach?: () => any) => {
+const iterate = async (
+  select: HTMLSelectElement | null,
+  afterEach?: () => any,
+  skippedItems?: string[]
+) => {
   await iterateSelect<CheckComparisonObj>(select, {
+    filter: (item: string) => !skippedItems?.includes(item),
     beforeEach() {
       const metrics = getMetrics(comparison!);
       return {
@@ -468,22 +479,22 @@ const iterateEnvHeight = async (afterEach?: () => any) => {
   await iterate(envHeightSelect, afterEach);
 };
 */
-const iterateHeight = async (afterEach?: () => any) => {
-  await iterate(containerHeightSelect, afterEach);
+const iterateHeight = async (afterEach?: () => any, skippedItems?: string[]) => {
+  await iterate(containerHeightSelect, afterEach, skippedItems);
 };
-const iterateWidth = async (afterEach?: () => any) => {
-  await iterate(containerWidthSelect, afterEach);
+const iterateWidth = async (afterEach?: () => any, skippedItems?: string[]) => {
+  await iterate(containerWidthSelect, afterEach, skippedItems);
 };
 /*
 const iterateFloat = async (afterEach?: () => any) => {
   await iterate(containerFloatSelect, afterEach);
 };
 */
-const iteratePadding = async (afterEach?: () => any) => {
-  await iterate(containerPaddingSelect, afterEach);
+const iteratePadding = async (afterEach?: () => any, skippedItems?: string[]) => {
+  await iterate(containerPaddingSelect, afterEach, skippedItems);
 };
-const iterateBorder = async (afterEach?: () => any) => {
-  await iterate(containerBorderSelect, afterEach);
+const iterateBorder = async (afterEach?: () => any, skippedItems?: string[]) => {
+  await iterate(containerBorderSelect, afterEach, skippedItems);
 };
 /*
 const iterateMargin = async (afterEach?: () => any) => {
@@ -500,7 +511,7 @@ const iterateMinMax = async (afterEach?: () => any) => {
   await iterate(containerMinMaxSelect, afterEach);
 };
 
-const overflowTest = async () => {
+const overflowTest = async (osOptions?: PartialOptions<OSOptions>) => {
   const additiveOverflow = () => {
     if (isFractionalPixelRatio()) {
       return 1;
@@ -630,7 +641,7 @@ const overflowTest = async () => {
 
     await checkMetrics(before);
   };
-  const overflowTest = async () => {
+  const iterateOverflow = async () => {
     style(targetResize, { boxSizing: 'border-box' });
     style(comparisonResize, { boxSizing: 'border-box' });
     style(targetPercent, { display: 'none' });
@@ -656,27 +667,45 @@ const overflowTest = async () => {
     removeAttr(comparisonEnd, 'style');
   };
 
-  await iterateMinMax(async () => {
-    await iterateBoxSizing(async () => {
-      await iterateHeight(async () => {
-        await iterateWidth(async () => {
-          await iterateBorder(async () => {
-            // assume this part isn't critical
-            /*
+  if (osOptions) {
+    osInstance.options(osOptions);
+
+    await iterateMinMax(async () => {
+      await iterateBoxSizing(async () => {
+        await iterateHeight(async () => {
+          await iterateWidth(async () => {
+            await iterateBorder(async () => {
+              await iteratePadding(async () => {
+                await iterateOverflow();
+              }, ['paddingLarge']);
+            }, ['borderSmall']);
+          }, ['widthHundred']);
+        }, ['heightHundred']);
+      });
+    });
+  } else {
+    await iterateMinMax(async () => {
+      await iterateBoxSizing(async () => {
+        await iterateHeight(async () => {
+          await iterateWidth(async () => {
+            await iterateBorder(async () => {
+              // assume this part isn't critical
+              /*
             await iterateFloat(async () => {
               await iterateMargin();
             });
             */
 
-            await iteratePadding(async () => {
-              await overflowTest();
+              await iteratePadding(async () => {
+                await iterateOverflow();
+              });
+              await iterateDirection();
             });
-            await iterateDirection();
           });
         });
       });
     });
-  });
+  }
 };
 
 const start = async () => {
@@ -685,6 +714,16 @@ const start = async () => {
   target?.removeAttribute('style');
   await overflowTest();
 
+  await overflowTest({ overflow: { x: 'hidden', y: 'scroll' } });
+  await overflowTest({ overflow: { x: 'scroll', y: 'hidden' } });
+  await overflowTest({ overflow: { x: 'visible', y: 'scroll' } });
+  await overflowTest({ overflow: { x: 'scroll', y: 'visible' } });
+  await overflowTest({ overflow: { x: 'visible', y: 'visible' } });
+  await overflowTest({ overflow: { x: 'visible-scroll', y: 'visible-hidden' } });
+  await overflowTest({ overflow: { x: 'visible-hidden', y: 'hidden' } });
+  await overflowTest({ overflow: { x: 'visible', y: 'visible-scroll' } });
+  await overflowTest({ overflow: { x: 'scroll', y: 'visible-scroll' } });
+
   setTestResult(true);
 };
 

packages/overlayscrollbars/tests/playwright/lifecycles/structureLifecycle/index.html

@@ -68,6 +68,7 @@
   </select>
   <br />
   <button id="start">start</button>
+  <span>UsedOptions: <span id="options">0</span></span>
   <span>Detected updates: <span id="updates">0</span></span>
 </div>
 <div id="stage">

packages/overlayscrollbars/tests/playwright/lifecycles/structureLifecycle/index.scss

@@ -1,6 +1,7 @@
 body {
   display: flex;
   flex-direction: column;
+  overflow: scroll;
 }
 #controls {
   flex: none;

packages/testing-browser/src/Select.ts

@@ -7,25 +7,34 @@ const noop = <T>(): T => {
   return {} as T;
 };
 
-const getSelectOptions = (selectElement: HTMLSelectElement) => Array.from(selectElement.options).map((option) => option.value);
+const getSelectOptions = (selectElement: HTMLSelectElement) =>
+  Array.from(selectElement.options).map((option) => option.value);
 
-export const generateSelectCallback = (
-  targetElms: HTMLElement[] | HTMLElement | null,
-  callback: (targetAffectedElm: HTMLElement, possibleValues: string[], selectedValue: string) => any
-) => (event: Event | HTMLSelectElement | null) => {
-  const target: HTMLSelectElement | null = isEvent(event) ? (event.target as HTMLSelectElement) : event;
-  if (target) {
-    const selectedOption = target.value;
-    const selectOptions = getSelectOptions(target);
-    const elmsArr = Array.isArray(targetElms) ? targetElms : [targetElms];
+export const generateSelectCallback =
+  (
+    targetElms: HTMLElement[] | HTMLElement | null,
+    callback: (
+      targetAffectedElm: HTMLElement,
+      possibleValues: string[],
+      selectedValue: string
+    ) => any
+  ) =>
+  (event: Event | HTMLSelectElement | null) => {
+    const target: HTMLSelectElement | null = isEvent(event)
+      ? (event.target as HTMLSelectElement)
+      : event;
+    if (target) {
+      const selectedOption = target.value;
+      const selectOptions = getSelectOptions(target);
+      const elmsArr = Array.isArray(targetElms) ? targetElms : [targetElms];
 
-    elmsArr.forEach((elm) => {
-      if (elm) {
-        callback(elm, selectOptions, selectedOption);
-      }
-    });
-  }
-};
+      elmsArr.forEach((elm) => {
+        if (elm) {
+          callback(elm, selectOptions, selectedOption);
+        }
+      });
+    }
+  };
 
 export const generateClassChangeSelectCallback = (targetElms: HTMLElement[] | HTMLElement | null) =>
   generateSelectCallback(targetElms, (targetAffectedElm, possibleValues, selectedValue) => {
@@ -33,7 +42,10 @@ export const generateClassChangeSelectCallback = (targetElms: HTMLElement[] | HT
     targetAffectedElm.classList.add(selectedValue);
   });
 
-export const selectOption = (select: HTMLSelectElement | null, selectedOption: string | number): boolean => {
+export const selectOption = (
+  select: HTMLSelectElement | null,
+  selectedOption: string | number
+): boolean => {
   if (!select) {
     return false;
   }
@@ -47,7 +59,11 @@ export const selectOption = (select: HTMLSelectElement | null, selectedOption: s
 
   if (typeof selectedOption === 'string' && options.includes(selectedOption)) {
     select.value = selectedOption;
-  } else if (typeof selectedOption === 'number' && options.length < selectedOption && selectedOption > -1) {
+  } else if (
+    typeof selectedOption === 'number' &&
+    options.length < selectedOption &&
+    selectedOption > -1
+  ) {
     select.selectedIndex = selectedOption;
   }
 
@@ -66,16 +82,19 @@ export const selectOption = (select: HTMLSelectElement | null, selectedOption: s
 export const iterateSelect = async <T>(
   select: HTMLSelectElement | null,
   options?: {
+    filter?: (value: string, index: number, array: string[]) => boolean;
     beforeEach?: () => T | Promise<T>;
     check?: (input: T, selectedOptions: string) => void | Promise<void>;
     afterEach?: () => void | Promise<void>;
   }
 ) => {
   if (select) {
-    const { beforeEach = noop, check = noop, afterEach = noop } = options || {};
+    const { beforeEach = noop, check = noop, afterEach = noop, filter } = options || {};
     const selectOptions = getSelectOptions(select);
     const selectOptionsReversed = getSelectOptions(select).reverse();
-    const iterateOptions = [...selectOptions, ...selectOptionsReversed];
+    const iterateOptions = [...selectOptions, ...selectOptionsReversed].filter(
+      filter || (() => true)
+    );
     for (let i = 0; i < iterateOptions.length; i++) {
       const option = iterateOptions[i];
       // eslint-disable-next-line