Stream notification log exports

app/src/test/java/se/ajpanton/notificationlog/export/LogExporterTest.kt

@@ -1,6 +1,7 @@
 package se.ajpanton.notificationlog.export
 
 import org.junit.Assert.assertFalse
+import org.junit.Assert.assertEquals
 import org.junit.Assert.assertTrue
 import org.junit.Test
 import se.ajpanton.notificationlog.model.NotificationAction
@@ -30,4 +31,24 @@ class LogExporterTest {
         assertFalse(withoutImage.contains("<img"))
         assertTrue(withoutImage.contains("[image]"))
     }
+
+    @Test fun `row writers produce the same export as the convenience methods`() {
+        val settings = LogViewSettings()
+        val csv = listOf(LogExporter.csvHeader(settings), LogExporter.csvRow(imageEntry, settings)).joinToString("\n")
+        val widths = LogExporter.headers(settings).map { it.length }.toMutableList()
+        LogExporter.values(imageEntry, settings).forEachIndexed { index, value ->
+            widths[index] = maxOf(widths[index], value.length)
+        }
+        val formatted = listOf(
+            LogExporter.formattedRow(LogExporter.headers(settings), widths),
+            LogExporter.formattedRow(LogExporter.values(imageEntry, settings), widths),
+        ).joinToString("\n")
+        val html = LogExporter.htmlStart(settings) +
+            LogExporter.htmlRow(imageEntry, settings, "images/${imageEntry.imageId}.png") +
+            LogExporter.htmlEnd()
+
+        assertEquals(LogExporter.csv(listOf(imageEntry), settings), csv)
+        assertEquals(LogExporter.formatted(listOf(imageEntry), settings), formatted)
+        assertEquals(LogExporter.html(listOf(imageEntry), settings) { "images/${it.imageId}.png" }, html)
+    }
 }