Skip to content

Instantly share code, notes, and snippets.

@jfresen

jfresen/ObserveStateChangesCreateComposeRule.kt

Last active October 2, 2024 15:50
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save jfresen/44f3838fbd00e3c4342c7be4c9a4e6f7 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save jfresen/44f3838fbd00e3c4342c7be4c9a4e6f7 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. jfresen revised this gist Oct 2, 2024. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions ObserveStateChangesRunComposeUiTest.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -6,12 +6,12 @@ private var I = 0 // add a sequence number to every log message for disambiguati

    @Test
    fun test() = runComposeUiTest {
    withApplyObserver {
    withApplyAndWriteObserver {
    // your test here
    }
    }

    private inline fun withApplyObserver(block: () -> Any) {
    private inline fun withApplyAndWriteObserver(block: () -> Any) {
    var unregisterApplyObserver: ObserverHandle? = null
    var unregisterWriteObserver: ObserverHandle? = null
    try {
  2. jfresen revised this gist Oct 2, 2024. 2 changed files with 10 additions and 0 deletions.
    5 changes: 5 additions & 0 deletions ObserveStateChangesCreateComposeRule.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -4,6 +4,7 @@
    private val TAG = "TEST_TAG"
    private var I = 0 // add a sequence number to every log message for disambiguation
    private var unregisterApplyObserver: ObserverHandle? = null
    private var unregisterWriteObserver: ObserverHandle? = null

    @Test
    fun test() {
    @@ -19,9 +20,13 @@ fun setup() {
    Log.d(TAG, "[${I++}] modified: $obj")
    }
    }
    unregisterWriteObserver = Snapshot.registerGlobalWriteObserver { mutatedObject ->
    Log.d(TAG, "[${I++}] writing in snapshot: $mutatedObject")
    }
    }

    @After
    fun tearDown() {
    unregisterApplyObserver?.dispose()
    unregisterWriteObserver?.dispose()
    }
    5 changes: 5 additions & 0 deletions ObserveStateChangesRunComposeUiTest.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -13,15 +13,20 @@ fun test() = runComposeUiTest {

    private inline fun withApplyObserver(block: () -> Any) {
    var unregisterApplyObserver: ObserverHandle? = null
    var unregisterWriteObserver: ObserverHandle? = null
    try {
    unregisterApplyObserver = Snapshot.registerApplyObserver { mutatedObjects, snapshot ->
    Log.i(TAG, "[${I++}] applying snapshot")
    for (obj in mutatedObjects) {
    Log.d(TAG, "[${I++}] modified: $obj")
    }
    }
    unregisterWriteObserver = Snapshot.registerGlobalWriteObserver { mutatedObject ->
    Log.d(TAG, "[${I++}] writing in snapshot: $mutatedObject")
    }
    block()
    } finally {
    unregisterApplyObserver?.dispose()
    unregisterWriteObserver?.dispose()
    }
    }
  3. jfresen revised this gist Aug 19, 2024. 2 changed files with 2 additions and 2 deletions.
    2 changes: 1 addition & 1 deletion ObserveStateChangesCreateComposeRule.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -16,7 +16,7 @@ fun setup() {
    val colon = if (mutatedObjects.isNotEmpty()) ":" else ""
    Log.i(TAG, "[${I++}] applying snapshot$colon")
    for (obj in mutatedObjects) {
    Log.d(TAG, "[${I++}] object $obj modified")
    Log.d(TAG, "[${I++}] modified: $obj")
    }
    }
    }
    2 changes: 1 addition & 1 deletion ObserveStateChangesRunComposeUiTest.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -17,7 +17,7 @@ private inline fun withApplyObserver(block: () -> Any) {
    unregisterApplyObserver = Snapshot.registerApplyObserver { mutatedObjects, snapshot ->
    Log.i(TAG, "[${I++}] applying snapshot")
    for (obj in mutatedObjects) {
    Log.d(TAG, "[${I++}] object $obj modified")
    Log.d(TAG, "[${I++}] modified: $obj")
    }
    }
    block()
  4. jfresen revised this gist Aug 15, 2024. 1 changed file with 2 additions and 1 deletion.
    3 changes: 2 additions & 1 deletion ObserveStateChangesCreateComposeRule.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -13,7 +13,8 @@ fun test() {
    @Before
    fun setup() {
    unregisterApplyObserver = Snapshot.registerApplyObserver { mutatedObjects, snapshot ->
    Log.i(TAG, "[${I++}] applying snapshot")
    val colon = if (mutatedObjects.isNotEmpty()) ":" else ""
    Log.i(TAG, "[${I++}] applying snapshot$colon")
    for (obj in mutatedObjects) {
    Log.d(TAG, "[${I++}] object $obj modified")
    }
  5. jfresen revised this gist May 8, 2024. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion ObserveStateChangesRunComposeUiTest.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -3,7 +3,6 @@

    private val TAG = "TEST_TAG"
    private var I = 0 // add a sequence number to every log message for disambiguation
    private var unregisterApplyObserver: ObserverHandle? = null

    @Test
    fun test() = runComposeUiTest {
    @@ -13,6 +12,7 @@ fun test() = runComposeUiTest {
    }

    private inline fun withApplyObserver(block: () -> Any) {
    var unregisterApplyObserver: ObserverHandle? = null
    try {
    unregisterApplyObserver = Snapshot.registerApplyObserver { mutatedObjects, snapshot ->
    Log.i(TAG, "[${I++}] applying snapshot")
  6. jfresen revised this gist May 7, 2024. 2 changed files with 14 additions and 1 deletion.
    7 changes: 6 additions & 1 deletion ObserveStateChangesCreateComposeRule.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -2,9 +2,14 @@
    // Use the other template if you use ComposeUiTest (runComposeUiTest())

    private val TAG = "TEST_TAG"
    private var I = 0 // disable logcat duplication filtering
    private var I = 0 // add a sequence number to every log message for disambiguation
    private var unregisterApplyObserver: ObserverHandle? = null

    @Test
    fun test() {
    // your test here
    }

    @Before
    fun setup() {
    unregisterApplyObserver = Snapshot.registerApplyObserver { mutatedObjects, snapshot ->
    8 changes: 8 additions & 0 deletions ObserveStateChangesRunComposeUiTest.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -2,8 +2,16 @@
    // Use the other template if you use ComposeTestRule (createComposeRule())

    private val TAG = "TEST_TAG"
    private var I = 0 // add a sequence number to every log message for disambiguation
    private var unregisterApplyObserver: ObserverHandle? = null

    @Test
    fun test() = runComposeUiTest {
    withApplyObserver {
    // your test here
    }
    }

    private inline fun withApplyObserver(block: () -> Any) {
    try {
    unregisterApplyObserver = Snapshot.registerApplyObserver { mutatedObjects, snapshot ->
  7. jfresen revised this gist May 7, 2024. 2 changed files with 25 additions and 2 deletions.
    8 changes: 6 additions & 2 deletions ObserveStateChanges.kt → ObserveStateChangesCreateComposeRule.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -1,12 +1,16 @@
    // Use this template if you use ComposeTestRule (createComposeRule())
    // Use the other template if you use ComposeUiTest (runComposeUiTest())

    private val TAG = "TEST_TAG"
    private var I = 0 // disable logcat duplication filtering
    private var unregisterApplyObserver: ObserverHandle? = null

    @Before
    fun setup() {
    unregisterApplyObserver = Snapshot.registerApplyObserver { mutatedObjects, snapshot ->
    Log.i("TEST_TAG", "[${I++}] applying snapshot")
    Log.i(TAG, "[${I++}] applying snapshot")
    for (obj in mutatedObjects) {
    Log.d("TEST_TAG", "[${I++}] object $obj modified")
    Log.d(TAG, "[${I++}] object $obj modified")
    }
    }
    }
    19 changes: 19 additions & 0 deletions ObserveStateChangesRunComposeUiTest.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,19 @@
    // Use this template if you use ComposeUiTest (runComposeUiTest())
    // Use the other template if you use ComposeTestRule (createComposeRule())

    private val TAG = "TEST_TAG"
    private var unregisterApplyObserver: ObserverHandle? = null

    private inline fun withApplyObserver(block: () -> Any) {
    try {
    unregisterApplyObserver = Snapshot.registerApplyObserver { mutatedObjects, snapshot ->
    Log.i(TAG, "[${I++}] applying snapshot")
    for (obj in mutatedObjects) {
    Log.d(TAG, "[${I++}] object $obj modified")
    }
    }
    block()
    } finally {
    unregisterApplyObserver?.dispose()
    }
    }
  8. jfresen revised this gist Feb 22, 2022. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion ObserveStateChanges.kt
    View file
    Original file line number Diff line number Diff line change
    @@ -6,7 +6,7 @@ fun setup() {
    unregisterApplyObserver = Snapshot.registerApplyObserver { mutatedObjects, snapshot ->
    Log.i("TEST_TAG", "[${I++}] applying snapshot")
    for (obj in mutatedObjects) {
    Log.d("TEST_TAG", "[${I++}] state $obj modified")
    Log.d("TEST_TAG", "[${I++}] object $obj modified")
    }
    }
    }
  9. jfresen renamed this gist Feb 22, 2022. 1 changed file with 0 additions and 0 deletions.
    0 ObserveStateChanges → ObserveStateChanges.kt
    View file
    File renamed without changes.
  10. jfresen created this gist Feb 22, 2022.
    17 changes: 17 additions & 0 deletions ObserveStateChanges
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,17 @@
    private var I = 0 // disable logcat duplication filtering
    private var unregisterApplyObserver: ObserverHandle? = null

    @Before
    fun setup() {
    unregisterApplyObserver = Snapshot.registerApplyObserver { mutatedObjects, snapshot ->
    Log.i("TEST_TAG", "[${I++}] applying snapshot")
    for (obj in mutatedObjects) {
    Log.d("TEST_TAG", "[${I++}] state $obj modified")
    }
    }
    }

    @After
    fun tearDown() {
    unregisterApplyObserver?.dispose()
    }