Implement background media ingestion and Pi deployment

Android/qsferaApp/src/test/java/eu/qsfera/android/workers/AutomaticUploadsWorkerTest.kt

@@ -0,0 +1,53 @@
+/**
+ * qsfera Android client application
+ *
+ * Copyright (C) 2026 QSfera.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ */
+
+package eu.qsfera.android.workers
+
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class AutomaticUploadsWorkerTest {
+
+    private val sourceUri = "content://camera/photo.jpg"
+
+    @Test
+    fun `completed upload identifies original source`() {
+        assertTrue(
+            shouldRemovePreviouslyUploadedSource(
+                sourceUri = sourceUri,
+                lastModified = 1_000,
+                completedUploadTimesBySourceUri = mapOf(sourceUri to 2_000),
+            )
+        )
+    }
+
+    @Test
+    fun `new file reusing uri is not treated as uploaded source`() {
+        assertFalse(
+            shouldRemovePreviouslyUploadedSource(
+                sourceUri = sourceUri,
+                lastModified = 3_000,
+                completedUploadTimesBySourceUri = mapOf(sourceUri to 2_000),
+            )
+        )
+    }
+
+    @Test
+    fun `unknown modification time is not deleted`() {
+        assertFalse(
+            shouldRemovePreviouslyUploadedSource(
+                sourceUri = sourceUri,
+                lastModified = 0,
+                completedUploadTimesBySourceUri = mapOf(sourceUri to 2_000),
+            )
+        )
+    }
+}

Android/qsferaApp/src/test/java/eu/qsfera/android/workers/RemoveSourceFileWorkerTest.kt

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+/**
+ * qsfera Android client application
+ *
+ * Copyright (C) 2026 QSfera.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ */
+
+package eu.qsfera.android.workers
+
+import androidx.documentfile.provider.DocumentFile
+import io.mockk.every
+import io.mockk.mockk
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class RemoveSourceFileWorkerTest {
+
+    @Test
+    fun `missing source is already removed`() {
+        val documentFile = mockk<DocumentFile>()
+        every { documentFile.exists() } returns false
+
+        assertTrue(removeSourceDocument(documentFile))
+    }
+
+    @Test
+    fun `successful delete removes source`() {
+        val documentFile = mockk<DocumentFile>()
+        every { documentFile.exists() } returns true
+        every { documentFile.delete() } returns true
+
+        assertTrue(removeSourceDocument(documentFile))
+    }
+
+    @Test
+    fun `failed delete requests another attempt`() {
+        val documentFile = mockk<DocumentFile>()
+        every { documentFile.exists() } returnsMany listOf(true, true)
+        every { documentFile.delete() } returns false
+
+        assertFalse(removeSourceDocument(documentFile))
+    }
+}