Unit test for computing fractions

Author: simolus3

core/src/commonMain/kotlin/com/powersync/sync/Progress.kt

@@ -14,8 +14,8 @@ import com.powersync.bucket.LocalOperationCounters
  * on [SyncStatusData].
  */
 public data class ProgressWithOperations(
+    val completed: Int,
     val total: Int,
-    val completed: Int
 ) {
     /**
      * The relative amount of [total] items that have been [completed], as a number between `0.0` and `1.0`.
@@ -80,7 +80,7 @@ public data class SyncDownloadProgress private constructor(
      */
     public fun untilPriority(priority: BucketPriority): ProgressWithOperations {
         val (total, completed) = targetAndCompletedCounts(priority)
-        return ProgressWithOperations(total, completed)
+        return ProgressWithOperations(completed = completed, total = total)
     }
 
     internal fun incrementDownloaded(batch: SyncDataBatch): SyncDownloadProgress {

core/src/commonTest/kotlin/com/powersync/sync/ProgressTest.kt

@@ -0,0 +1,16 @@
+package com.powersync.sync
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class ProgressTest {
+
+    @Test
+    fun reportsFraction() {
+        assertEquals(0.0, ProgressWithOperations(0, 10).fraction)
+        assertEquals(0.5, ProgressWithOperations(5, 10).fraction)
+        assertEquals(1.0, ProgressWithOperations(10, 10).fraction)
+
+        assertEquals(0.0, ProgressWithOperations(0, 0).fraction)
+    }
+}