Added a very complicated AsyncIterableReader class.

The class was already implemented in
"https://deno.land/std@0.144.0/streams/conversion.ts".  So, I litterally
lost 1 day of work!  I hate myself.

tests/fileservice_test.ts

@@ -23,7 +23,7 @@ Deno.test("DenoKVBlobService happy path", async (t) => {
 
   await t.step("read write small text", async () => {
     const size = await bs.persistBlob("0002", toUint8Array("hello world"));
-    const body = await bs.getBlob("0002");
+    const body = await bs.readAllBlob("0002");
     assertEquals(body, toUint8Array("hello world"));
     assertEquals(await bs.getNumberOfBlobs("0002"), 1);
     assertEquals(size, "hello world".length);
@@ -32,7 +32,7 @@ Deno.test("DenoKVBlobService happy path", async (t) => {
   await t.step("read write large text", async () => {
     const largeText = toUint8Array(generateLargeText(33, 100));
     const size = await bs.persistBlob("0001", largeText);
-    const body = await bs.getBlob("0001");
+    const body = await bs.readAllBlob("0001");
     assertEquals(body, largeText);
     assertEquals(await bs.getNumberOfBlobs("0001"), 21);
     assertEquals(size, largeText.length);

tests/utils.ts

@@ -1,12 +1,17 @@
 
 
-export function* randomNumbers(seed: number, max: number) : Generator<number> {
+export function* randomNumbers(seed: number, max: number, maxResult: number|undefined = undefined) : Generator<number> {
     const a = 48271;
     const m =  2147483647;
     max = Math.floor(max);
+    let i = 0;
     while (true) {
         seed = (a * seed) % m; 
         yield seed % max;
+        i ++;
+        if(maxResult !== undefined && i >= maxResult){
+          return;
+        }
     }
 }
 

tests/utils_test.ts

@@ -12,72 +12,33 @@ Deno.test("AsyncIterableReader", async (t) => {
         yield Promise.resolve(new Uint8Array([8, 9]));
     }
 
-    async function* largeSource(size: number):  AsyncIterable<Uint8Array>{
+    async function* largeSource(size: number, seed = 77):  AsyncIterable<Uint8Array>{
+        
         let val = 0
-        const random = randomNumbers(77, size / 4);
+        const random = randomNumbers(seed, size > 10 ? size / 4: size);
         while(val < size){
-            const newVal = Math.min(val + random.next().value, size);
-            // console.log(range(val, newVal));
-            console.log("<<<<<<<<<<<<<<<<< " + newVal + "/" + size + " ( " + (newVal - val) )
-            yield Promise.resolve(new Uint8Array(range(val, newVal)));
-            
+            const randomValue = random.next().value;
+            const newVal = Math.min(val + randomValue, size);
+            const ret = new Uint8Array(range(val, newVal));
+            yield Promise.resolve(ret);
             val = newVal;
-            
-
         }
-        yield Promise.resolve(new Uint8Array([9]));
-        console.log(">>>>>>>>>>>>>>>>>>>>>>> ");
-        console.log(">>>>>>>>>>>>>>>>>>>>>>> ");
-        console.log(">>>>>>>>>>>>>>>>>>>>>>> ");
-        console.log(">>>>>>>>>>>>>>>>>>>>>>> ");
     }
 
-    // await t.step('read all mini source', async () => {
-    //     const reader = new AsyncIterableReader(miniSource());
-    //     const expt = new Uint8Array([1, 2 ,3 ,4 ,5, 6,7,8,9])
-    //     assertEquals(await readAll(reader), expt);
-    // });
-
-    await t.step('largeSource', async () =>{
-        const source = largeSource(32920);
-        for await(const _piece of source){
-           //
-        }
+    await t.step('read all mini source', async () => {
+        const reader = new AsyncIterableReader(miniSource());
+        const expt = new Uint8Array([1, 2 ,3 ,4 ,5, 6,7,8,9])
+        assertEquals(await readAll(reader), expt);
     });
 
-
     await t.step('read all large source', async () => {
-        // for(let i = 101; i < (32 * 1024 * 50 + 101); i += 1){
-        let n = 32 * 1024 * 50 + 101 // 32920; //32 * 1024 * 2;
-        n = 32919
-        const reader = new AsyncIterableReader(largeSource(n));
-        const ret = await readAll(reader);
-        assertEquals(ret.length, n);
-        // }
+        // let's run the test 1000 times to make sure implementation is ok.
+        for(const i of randomNumbers(666, 100 * 1024, 1000)){
+            const reader = new AsyncIterableReader(largeSource(i));
+            const ret = await readAll(reader);
+            assertEquals(ret.length, i);
+        }
     });
+    
 
 });
-
-
-// <<<<<<<<<<<<<<<<< 5137/32920
-// <<<<<<<<<<<<<<<<< 11593/32920
-// <<<<<<<<<<<<<<<<< 12563/32920
-// <<<<<<<<<<<<<<<<< 15976/32920
-// <<<<<<<<<<<<<<<<< 19155/32920
-// <<<<<<<<<<<<<<<<< 20038/32920
-// <<<<<<<<<<<<<<<<< 26452/32920
-// <<<<<<<<<<<<<<<<< 31797/32920
-// <<<<<<<<<<<<<<<<< 31994/32920
-// <<<<<<<<<<<<<<<<< 32912/32920
-// <<<<<<<<<<<<<<<<< 32920/32920
-
-
-// <<<<<<<<<<<<<<<<< 5137/32920
-// <<<<<<<<<<<<<<<<< 11593/32920
-// <<<<<<<<<<<<<<<<< 12563/32920
-// <<<<<<<<<<<<<<<<< 15976/32920
-// <<<<<<<<<<<<<<<<< 19155/32920
-// <<<<<<<<<<<<<<<<< 20038/32920
-// <<<<<<<<<<<<<<<<< 26452/32920
-// <<<<<<<<<<<<<<<<< 31797/32920
-// <<<<<<<<<<<<<<<<< 31994/32920