ממשקי API לבדיקה

composeTestRule.onNode(<<SemanticsMatcher>>, useUnmergedTree = false): SemanticsNodeInteraction

// Example
composeTestRule
    .onNode(hasText("Button")) // Equivalent to onNodeWithText("Button")

composeTestRule
    .onAllNodes(<<SemanticsMatcher>>): SemanticsNodeInteractionCollection

// Example
composeTestRule
    .onAllNodes(hasText("Button")) // Equivalent to onAllNodesWithText("Button")

MyButton {
    Text("Hello")
    Text("World")
}

composeTestRule.onRoot().printToLog("TAG")

Node #1 at (...)px
 |-Node #2 at (...)px
   Role = 'Button'
   Text = '[Hello, World]'
   Actions = [OnClick, GetTextLayoutResult]
   MergeDescendants = 'true'

composeTestRule.onRoot(useUnmergedTree = true).printToLog("TAG")

Node #1 at (...)px
 |-Node #2 at (...)px
   OnClick = '...'
   MergeDescendants = 'true'
    |-Node #3 at (...)px
    | Text = '[Hello]'
    |-Node #5 at (83.0, 86.0, 191.0, 135.0)px
      Text = '[World]'

composeTestRule
    .onNodeWithText("World", useUnmergedTree = true).assertIsDisplayed()

// Single matcher:
composeTestRule
    .onNode(matcher)
    .assert(hasText("Button")) // hasText is a SemanticsMatcher

// Multiple matchers can use and / or
composeTestRule
    .onNode(matcher).assert(hasText("Button") or hasText("Button2"))

// Check number of matched nodes
composeTestRule
    .onAllNodesWithContentDescription("Beatle").assertCountEquals(4)
// At least one matches
composeTestRule
    .onAllNodesWithContentDescription("Beatle").assertAny(hasTestTag("Drummer"))
// All of them match
composeTestRule
    .onAllNodesWithContentDescription("Beatle").assertAll(hasClickAction())

composeTestRule.onNode(...).performClick()

performClick(),
performSemanticsAction(key),
performKeyPress(keyEvent),
performGesture { swipeLeft() }

fun hasParent(matcher: SemanticsMatcher): SemanticsMatcher
fun hasAnySibling(matcher: SemanticsMatcher): SemanticsMatcher
fun hasAnyAncestor(matcher: SemanticsMatcher): SemanticsMatcher
fun hasAnyDescendant(matcher: SemanticsMatcher):  SemanticsMatcher

composeTestRule.onNode(hasParent(hasText("Button")))
    .assertIsDisplayed()

composeTestRule.onNode(hasTestTag("Players"))
    .onChildren()
    .filter(hasClickAction())
    .assertCountEquals(4)
    .onFirst()
    .assert(hasText("John"))