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Introduce HTMLElement.computedStyle: CSSStyleDeclaration helper function (#1815)

pull/1807/head
Shagen Ogandzhanian 3 years ago committed by GitHub
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9 changed files with 89 additions and 85 deletions
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  1. 10
      web/core/src/jsTest/kotlin/CSSStylesheetTests.kt
  2. 35
      web/core/src/jsTest/kotlin/CssSelectorsTests.kt
  3. 59
      web/core/src/jsTest/kotlin/css/CSSBackgroundTests.kt
  4. 6
      web/core/src/jsTest/kotlin/css/CSSListStyleTests.kt
  5. 9
      web/core/src/jsTest/kotlin/css/CSSMarginTests.kt
  6. 21
      web/core/src/jsTest/kotlin/css/CSSPaddingTests.kt
  7. 7
      web/core/src/jsTest/kotlin/css/GridTests.kt
  8. 5
      web/core/src/jsTest/kotlin/elements/AttributesTests.kt
  9. 22
      web/test-utils/src/jsMain/kotlin/org/jetbrains/compose/web/testutils/TestUtils.kt

10
web/core/src/jsTest/kotlin/CSSStylesheetTests.kt
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@ -5,7 +5,6 @@
package org.jetbrains.compose.web.core.tests
import kotlinx.browser.window
import org.jetbrains.compose.web.css.*
import org.jetbrains.compose.web.dom.Div
import org.jetbrains.compose.web.dom.stringPresentation
@ -156,7 +155,7 @@ class CSSVariableTests {
val el = root.children[1] as HTMLElement
val boundingRect = el.getBoundingClientRect()
assertEquals("4", window.getComputedStyle(el).order)
assertEquals("4", el.computedStyle.order)
assertEquals(150.toDouble(), boundingRect.width)
assertEquals(170.toDouble(), boundingRect.height)
}
@ -184,9 +183,10 @@ class CSSVariableTests {
})
}
root.children[1]?.let { el ->
assertEquals("rgb(0, 255, 0)", window.getComputedStyle(el).color)
assertEquals("rgb(0, 128, 0)", window.getComputedStyle(el).backgroundColor)
(root.children[1] as HTMLElement?)?.let { el ->
assertEquals("rgb(0, 255, 0)", el.computedStyle.color)
assertEquals("rgb(0, 128, 0)", el.computedStyle.backgroundColor)
}
}

35
web/core/src/jsTest/kotlin/CssSelectorsTests.kt
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@ -6,7 +6,9 @@ import org.jetbrains.compose.web.css.selectors.*
import org.jetbrains.compose.web.dom.Div
import org.jetbrains.compose.web.dom.P
import org.jetbrains.compose.web.dom.Span
import org.jetbrains.compose.web.testutils.computedStyle
import org.jetbrains.compose.web.testutils.runTest
import org.w3c.dom.HTMLElement
import org.w3c.dom.HTMLParagraphElement
import org.w3c.dom.HTMLSpanElement
import org.w3c.dom.get
@ -69,12 +71,11 @@ class CssSelectorsTests {
root.children[1]!!.let { el ->
val pEl = el.firstChild as HTMLParagraphElement
assertEquals("rgb(255, 0, 0)", window.getComputedStyle(pEl).color)
assertEquals("rgb(255, 0, 0)", pEl.computedStyle.color)
}
root.children[2]!!.let { el ->
val pEl = el
assertEquals("rgb(0, 0, 0)", window.getComputedStyle(pEl).color)
(root.children[2] as HTMLElement).let { el ->
assertEquals("rgb(0, 0, 0)", el.computedStyle.color)
}
}
@ -115,16 +116,15 @@ class CssSelectorsTests {
val pEl = el.firstChild as HTMLParagraphElement
val spanInPel = pEl.firstChild as HTMLSpanElement
assertEquals("rgb(255, 0, 0)", window.getComputedStyle(pEl).color)
assertEquals("rgb(0, 0, 255)", window.getComputedStyle(spanInPel).color)
assertEquals("rgb(255, 0, 0)", pEl.computedStyle.color)
assertEquals("rgb(0, 0, 255)", spanInPel.computedStyle.color)
}
root.children[2]!!.let { el ->
val pEl = el
val spanEl = pEl.firstChild as HTMLSpanElement
(root.children[2] as HTMLElement).let { el ->
val spanEl = el.firstChild as HTMLSpanElement
assertEquals("rgb(0, 0, 0)", window.getComputedStyle(pEl).color)
assertEquals("rgb(0, 0, 0)", window.getComputedStyle(spanEl).color)
assertEquals("rgb(0, 0, 0)", el.computedStyle.color)
assertEquals("rgb(0, 0, 0)", spanEl.computedStyle.color)
}
}
@ -167,19 +167,18 @@ class CssSelectorsTests {
val pEl = el.firstChild as HTMLParagraphElement
val spanInPel = pEl.firstChild as HTMLSpanElement
assertEquals("rgb(255, 0, 0)", window.getComputedStyle(pEl).color)
assertEquals("rgb(0, 0, 255)", window.getComputedStyle(spanInPel).color)
assertEquals("rgb(255, 0, 0)", pEl.computedStyle.color)
assertEquals("rgb(0, 0, 255)", spanInPel.computedStyle.color)
val spanInClsEl = el.children[1] as HTMLSpanElement
assertEquals("rgb(100, 100, 200)", window.getComputedStyle(spanInClsEl).color)
assertEquals("rgb(100, 100, 200)", spanInClsEl.computedStyle.color)
}
root.children[2]!!.let { el ->
val pEl = el
val spanEl = pEl.firstChild as HTMLSpanElement
(root.children[2] as HTMLParagraphElement).let { el ->
val spanEl = el.firstChild as HTMLSpanElement
assertEquals("rgb(0, 0, 0)", window.getComputedStyle(pEl).color)
assertEquals("rgb(0, 0, 0)", el.computedStyle.color)
assertEquals("rgb(0, 0, 0)", window.getComputedStyle(spanEl).color)
}
}

59
web/core/src/jsTest/kotlin/css/CSSBackgroundTests.kt
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@ -5,7 +5,6 @@
package org.jetbrains.compose.web.core.tests.css
import kotlinx.browser.window
import org.jetbrains.compose.web.css.*
import org.jetbrains.compose.web.dom.Div
import kotlin.test.Test
@ -24,8 +23,8 @@ class CSSBackgroundTests {
}})
}
assertEquals("rgb(0, 128, 0)", window.getComputedStyle(nextChild()).backgroundColor)
assertEquals("rgba(0, 129, 0, 0.2)", window.getComputedStyle(nextChild()).backgroundColor)
assertEquals("rgb(0, 128, 0)", nextChild().computedStyle.backgroundColor)
assertEquals("rgba(0, 129, 0, 0.2)", nextChild().computedStyle.backgroundColor)
}
@Test
@ -42,9 +41,9 @@ class CSSBackgroundTests {
}})
}
assertEquals("scroll", window.getComputedStyle(nextChild()).backgroundAttachment)
assertEquals("fixed", window.getComputedStyle(nextChild()).backgroundAttachment)
assertEquals("local", window.getComputedStyle(nextChild()).backgroundAttachment)
assertEquals("scroll", nextChild().computedStyle.backgroundAttachment)
assertEquals("fixed", nextChild().computedStyle.backgroundAttachment)
assertEquals("local", nextChild().computedStyle.backgroundAttachment)
}
@Test
@ -61,9 +60,9 @@ class CSSBackgroundTests {
}})
}
assertEquals("url(\"https://localhost:3333/media/examples/lizard.png\")", window.getComputedStyle(nextChild()).backgroundImage)
assertEquals("url(\"https://localhost:3333/media/examples/lizard.png\"), url(\"https://localhost:3333/media/examples/star.png\")", window.getComputedStyle(nextChild()).backgroundImage)
assertEquals("linear-gradient(rgba(0, 0, 255, 0.5), rgba(255, 255, 0, 0.5))", window.getComputedStyle(nextChild()).backgroundImage)
assertEquals("url(\"https://localhost:3333/media/examples/lizard.png\")", nextChild().computedStyle.backgroundImage)
assertEquals("url(\"https://localhost:3333/media/examples/lizard.png\"), url(\"https://localhost:3333/media/examples/star.png\")", nextChild().computedStyle.backgroundImage)
assertEquals("linear-gradient(rgba(0, 0, 255, 0.5), rgba(255, 255, 0, 0.5))", nextChild().computedStyle.backgroundImage)
}
@Test
@ -83,10 +82,10 @@ class CSSBackgroundTests {
}})
}
assertEquals("50% 0%", window.getComputedStyle(nextChild()).backgroundPosition)
assertEquals("0% 50%", window.getComputedStyle(nextChild()).backgroundPosition)
assertEquals("50% 50%", window.getComputedStyle(nextChild()).backgroundPosition)
assertEquals("25% 75%", window.getComputedStyle(nextChild()).backgroundPosition)
assertEquals("50% 0%", nextChild().computedStyle.backgroundPosition)
assertEquals("0% 50%", nextChild().computedStyle.backgroundPosition)
assertEquals("50% 50%", nextChild().computedStyle.backgroundPosition)
assertEquals("25% 75%", nextChild().computedStyle.backgroundPosition)
}
@Test
@ -97,7 +96,7 @@ class CSSBackgroundTests {
}})
}
assertEquals("space repeat", window.getComputedStyle(nextChild()).backgroundRepeat)
assertEquals("space repeat", nextChild().computedStyle.backgroundRepeat)
}
@ -116,9 +115,9 @@ class CSSBackgroundTests {
}
assertEquals("border-box", window.getComputedStyle(nextChild()).backgroundClip)
assertEquals("padding-box", window.getComputedStyle(nextChild()).backgroundClip)
assertEquals("content-box", window.getComputedStyle(nextChild()).backgroundClip)
assertEquals("border-box", nextChild().computedStyle.backgroundClip)
assertEquals("padding-box", nextChild().computedStyle.backgroundClip)
assertEquals("content-box", nextChild().computedStyle.backgroundClip)
}
@Test
@ -136,9 +135,9 @@ class CSSBackgroundTests {
}
assertEquals("border-box", window.getComputedStyle(nextChild()).backgroundOrigin)
assertEquals("padding-box", window.getComputedStyle(nextChild()).backgroundOrigin)
assertEquals("content-box", window.getComputedStyle(nextChild()).backgroundOrigin)
assertEquals("border-box", nextChild().computedStyle.backgroundOrigin)
assertEquals("padding-box", nextChild().computedStyle.backgroundOrigin)
assertEquals("content-box", nextChild().computedStyle.backgroundOrigin)
}
@ -159,10 +158,10 @@ class CSSBackgroundTests {
}})
}
assertEquals("contain", window.getComputedStyle(nextChild()).backgroundSize)
assertEquals("cover", window.getComputedStyle(nextChild()).backgroundSize)
assertEquals("50%", window.getComputedStyle(nextChild()).backgroundSize)
assertEquals("auto 50px", window.getComputedStyle(nextChild()).backgroundSize)
assertEquals("contain", nextChild().computedStyle.backgroundSize)
assertEquals("cover", nextChild().computedStyle.backgroundSize)
assertEquals("50%", nextChild().computedStyle.backgroundSize)
assertEquals("auto 50px", nextChild().computedStyle.backgroundSize)
}
@Test
@ -179,10 +178,14 @@ class CSSBackgroundTests {
}})
}
assertEquals("rgb(0, 128, 0)", window.getComputedStyle(nextChild()).backgroundColor)
assertEquals("content-box", window.getComputedStyle(nextChild()).backgroundOrigin)
assertEquals("radial-gradient(rgb(220, 20, 60), rgb(135, 206, 235))", window.getComputedStyle(currentChild()).backgroundImage)
assertEquals("no-repeat", window.getComputedStyle(nextChild()).backgroundRepeat)
assertEquals("rgb(0, 128, 0)", nextChild().computedStyle.backgroundColor)
with(nextChild().computedStyle) {
assertEquals("content-box", backgroundOrigin)
assertEquals("radial-gradient(rgb(220, 20, 60), rgb(135, 206, 235))", backgroundImage)
}
assertEquals("no-repeat", nextChild().computedStyle.backgroundRepeat)
}
}

6
web/core/src/jsTest/kotlin/css/CSSListStyleTests.kt
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@ -101,8 +101,10 @@ class CSSListStyleTests {
})
}
assertEquals("inside", (nextChild()).style.listStylePosition)
assertEquals("georgian", (currentChild()).style.listStyleType)
nextChild().style.apply {
assertEquals("inside", listStylePosition)
assertEquals("georgian", listStyleType)
}
}
}

9
web/core/src/jsTest/kotlin/css/CSSMarginTests.kt
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@ -5,7 +5,6 @@
package org.jetbrains.compose.web.core.tests.css
import kotlinx.browser.window
import org.jetbrains.compose.web.testutils.*
import org.jetbrains.compose.web.css.*
import org.jetbrains.compose.web.dom.Div
@ -75,7 +74,7 @@ class CSSMarginTests {
})
}
val el = window.getComputedStyle(nextChild())
val el = nextChild().computedStyle
assertEquals("4px", el.marginTop, "marginTop")
assertEquals("4px", el.marginRight, "marginRight")
@ -93,7 +92,7 @@ class CSSMarginTests {
})
}
val el = window.getComputedStyle(nextChild())
val el = nextChild().computedStyle
assertEquals("4px", el.marginTop, "marginTop")
assertEquals("6px", el.marginRight, "marginRight")
@ -111,7 +110,7 @@ class CSSMarginTests {
})
}
val el = window.getComputedStyle(nextChild())
val el = nextChild().computedStyle
assertEquals("4px", el.marginTop, "marginTop")
assertEquals("6px", el.marginRight, "marginRight")
@ -129,7 +128,7 @@ class CSSMarginTests {
})
}
val el = window.getComputedStyle(nextChild())
val el = nextChild().computedStyle
assertEquals("4px", el.marginTop, "marginTop")
assertEquals("6px", el.marginRight, "marginRight")

21
web/core/src/jsTest/kotlin/css/CSSPaddingTests.kt
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@ -5,10 +5,17 @@
package org.jetbrains.compose.web.core.tests.css
import kotlinx.browser.window
import org.jetbrains.compose.web.testutils.*
import org.jetbrains.compose.web.css.*
import org.jetbrains.compose.web.css.padding
import org.jetbrains.compose.web.css.paddingBottom
import org.jetbrains.compose.web.css.paddingLeft
import org.jetbrains.compose.web.css.paddingRight
import org.jetbrains.compose.web.css.paddingTop
import org.jetbrains.compose.web.css.percent
import org.jetbrains.compose.web.css.px
import org.jetbrains.compose.web.css.vw
import org.jetbrains.compose.web.dom.Div
import org.jetbrains.compose.web.testutils.computedStyle
import org.jetbrains.compose.web.testutils.runTest
import kotlin.test.Test
import kotlin.test.assertEquals
@ -75,7 +82,7 @@ class CSSPaddingTests {
})
}
val el = window.getComputedStyle(nextChild())
val el = nextChild().computedStyle
assertEquals("4px", el.paddingTop, "paddingTop")
assertEquals("4px", el.paddingRight, "paddingRight")
@ -93,7 +100,7 @@ class CSSPaddingTests {
})
}
val el = window.getComputedStyle(nextChild())
val el = nextChild().computedStyle
assertEquals("4px", el.paddingTop, "paddingTop")
assertEquals("6px", el.paddingRight, "paddingRight")
@ -111,7 +118,7 @@ class CSSPaddingTests {
})
}
val el = window.getComputedStyle(nextChild())
val el = nextChild().computedStyle
assertEquals("4px", el.paddingTop, "paddingTop")
assertEquals("6px", el.paddingRight, "paddingRight")
@ -129,7 +136,7 @@ class CSSPaddingTests {
})
}
val el = window.getComputedStyle(nextChild())
val el = nextChild().computedStyle
assertEquals("4px", el.paddingTop, "paddingTop")
assertEquals("6px", el.paddingRight, "paddingRight")

7
web/core/src/jsTest/kotlin/css/GridTests.kt
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@ -42,8 +42,11 @@ class GridColumnTests {
}
assertEquals("main-start", nextChild().style.asDynamic().gridColumnStart)
assertEquals("main-start", nextChild().style.asDynamic().gridColumnStart)
assertEquals("main-end", currentChild().style.asDynamic().gridColumnEnd)
nextChild().style.apply {
assertEquals("main-start", asDynamic().gridColumnStart)
assertEquals("main-end", asDynamic().gridColumnEnd)
}
}

5
web/core/src/jsTest/kotlin/elements/AttributesTests.kt
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@ -491,7 +491,8 @@ class AttributesTests {
}
}
with(nextChild()) {
val child = nextChild()
with(child) {
val attrs = getAttributeNames().toList()
assertEquals(2, attrs.size)
assertTrue(attrs.containsAll(listOf("style", "class",)))
@ -505,7 +506,7 @@ class AttributesTests {
hasValue = true
waitForRecompositionComplete()
with(currentChild()) {
with(child) {
val attrs = getAttributeNames().toList()
assertEquals(3, attrs.size)
assertTrue(attrs.containsAll(listOf("style", "class", "value")))

22
web/test-utils/src/jsMain/kotlin/org/jetbrains/compose/web/testutils/TestUtils.kt
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@ -13,7 +13,7 @@ import org.w3c.dom.HTMLElement
import org.w3c.dom.MutationObserver
import org.w3c.dom.MutationObserverInit
import org.w3c.dom.asList
import org.w3c.dom.get
import org.w3c.dom.css.CSSStyleDeclaration
import kotlin.coroutines.Continuation
import kotlin.coroutines.resume
import kotlin.coroutines.suspendCoroutine
@ -68,24 +68,11 @@ class TestScope : CoroutineScope by MainScope() {
* @return a reference to the next child element of the root.
* Subsequent calls will return next child reference every time.
*/
fun nextChild() = childrenIterator.next() as HTMLElement
fun nextChild() = nextChild<HTMLElement>()
@Suppress("UNCHECKED_CAST")
fun <T> nextChild() = childrenIterator.next() as T
/**
* @return a reference to current child.
* Calling this subsequently returns the same reference every time.
*/
fun currentChild() = root.children[childrenIterator.previousIndex()] as HTMLElement
/**
* Suspends until [root] observes any change to its html.
*/
suspend fun waitForChanges() {
waitForChanges(root)
}
/**
* Suspends until element with [elementId] observes any change to its html.
*/
@ -96,7 +83,7 @@ class TestScope : CoroutineScope by MainScope() {
/**
* Suspends until [element] observes any change to its html.
*/
suspend fun waitForChanges(element: HTMLElement) {
suspend fun waitForChanges(element: HTMLElement = root) {
suspendCoroutine<Unit> { continuation ->
val observer = MutationObserver { _, observer ->
continuation.resume(Unit)
@ -178,3 +165,6 @@ private class TestMonotonicClockImpl(
}
}
}
val HTMLElement.computedStyle: CSSStyleDeclaration
get() = window.getComputedStyle(this)

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