Android: JPEG canvas snapshots + camera permission prompts

apps/android/app/src/test/java/com/steipete/clawdis/node/node/CanvasControllerSnapshotParamsTest.kt

@@ -0,0 +1,43 @@
+package com.steipete.clawdis.node.node
+
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Test
+
+class CanvasControllerSnapshotParamsTest {
+  @Test
+  fun parseSnapshotParamsDefaultsToJpeg() {
+    val params = CanvasController.parseSnapshotParams(null)
+    assertEquals(CanvasController.SnapshotFormat.Jpeg, params.format)
+    assertNull(params.quality)
+    assertNull(params.maxWidth)
+  }
+
+  @Test
+  fun parseSnapshotParamsParsesPng() {
+    val params = CanvasController.parseSnapshotParams("""{"format":"png","maxWidth":900}""")
+    assertEquals(CanvasController.SnapshotFormat.Png, params.format)
+    assertEquals(900, params.maxWidth)
+  }
+
+  @Test
+  fun parseSnapshotParamsParsesJpegAliases() {
+    assertEquals(
+      CanvasController.SnapshotFormat.Jpeg,
+      CanvasController.parseSnapshotParams("""{"format":"jpeg"}""").format,
+    )
+    assertEquals(
+      CanvasController.SnapshotFormat.Jpeg,
+      CanvasController.parseSnapshotParams("""{"format":"jpg"}""").format,
+    )
+  }
+
+  @Test
+  fun parseSnapshotParamsClampsQuality() {
+    val low = CanvasController.parseSnapshotParams("""{"quality":0.01}""")
+    assertEquals(0.1, low.quality)
+
+    val high = CanvasController.parseSnapshotParams("""{"quality":5}""")
+    assertEquals(1.0, high.quality)
+  }
+}