Added raw byte array in storage

tests/fileservice_test.ts

@@ -53,15 +53,19 @@ Deno.test("DenoKVBlobService happy path", async (t) => {
     
     const bs = new DenoKVBlobService(kv, 50);
 
+    function toUint8Array(s: string): Uint8Array{
+        return new TextEncoder().encode(s);
+    }
+
     await t.step("read write small text", async () => {
-        await bs.persistBlob('0002', 'hello world');
+        await bs.persistBlob('0002', toUint8Array('hello world'));
         const body = await bs.getBlob('0002');
-        assertEquals(body, 'hello world');
+        assertEquals(body, toUint8Array('hello world'));
         assertEquals(await bs.getNumberOfBlobs('0002'), 1);
     });
 
     await t.step("read write large text", async () => {
-        const largeText = generateLargeText(33, 100);
+        const largeText = toUint8Array(generateLargeText(33, 100));
         await bs.persistBlob('0001', largeText);
         const body = await bs.getBlob('0001');
         assertEquals(body, largeText);
@@ -128,7 +132,24 @@ Deno.test("DenoKVFileService happy path", async (t) => {
     });
 
     kv.close();
-
-
-
 });
+
+
+Deno.test("DenoKVFileService happy path with byte array", async (t) => {
+    const kv = await Deno.openKv(":memory:");
+    const fs: FileService = new DenoKVFileService(kv);
+    await t.step("Create and read 1 binary file", async () => {
+        const inputBody = new Uint8Array([240]);
+        const file = await fs.createFromFullBody('hello', inputBody);
+
+        assertEquals(file.path, 'hello');
+        assertEquals(file.bodySize, inputBody.length);
+
+        const bodyString = await fs.getFullBodyByPath('hello');
+        assertEquals(bodyString, new TextDecoder().decode(inputBody));
+    });
+
+
+    kv.close();
+
+});