add timestamp to liveness image filename (#14)

* add timestamp to liveness image filename * Update Util.kt * Update UtilTest.kt
smileidentity · Feb 1, 2023 · bb906d5 · bb906d5
1 parent 84c70b0
commit bb906d5
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diff --git a/ui/src/main/java/com/smileidentity/ui/core/Util.kt b/ui/src/main/java/com/smileidentity/ui/core/Util.kt
@@ -99,7 +99,7 @@ internal fun postProcessImageFile(
  * format "si_${imageType}_<random number>.jpg"
  */
 internal fun createSmileTempFile(imageType: String): File {
-    return File.createTempFile("si_${imageType}_", ".jpg").apply {
+    return File.createTempFile("si_${imageType}_${System.currentTimeMillis()}_", ".jpg").apply {
         // Deletes file when the *VM* is exited (*not* when the app is closed)
         deleteOnExit()
     }

diff --git a/ui/src/test/java/com/smileidentity/ui/core/UtilTest.kt b/ui/src/test/java/com/smileidentity/ui/core/UtilTest.kt
@@ -0,0 +1,21 @@
+package com.smileidentity.ui.core
+
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class UtilTest {
+
+    @Test
+    fun `should add timestamp to filename`() {
+        val file = createLivenessFile()
+        // name is si_liveness_{timestamp}_{random_indentifier}.jpg
+        val stringTokens = file.name.split("_")
+        val timestamp = stringTokens[stringTokens.size - 2]
+        val timestampLong = timestamp.toLong()
+        assertTrue(
+            timestampLong in (
+                System.currentTimeMillis() - 1000
+                )..(System.currentTimeMillis()),
+        )
+    }
+}