Unable to solve ch-11 > labs-2
'use strict'
const assert = require('assert')
const str = 'buffers are neat'
const base64 = Buffer.from(str, 'base64') // convert str to base64
console.log(base64)
assert.equal(base64, Buffer.from([
89,110,86,109,90,109,86,121,99,
121,66,104,99,109,85,103,98,109,
86,104,100,65,61,61]))
console.log('passed!')
Comments
-
The challenge state is "Convert a String to base64 Encoded String by Using a Buffer". The result for this challenge is
"YnVmZmVycyBhcmUgbmVhdA=="
given the string"buffers are neat"
. Taking this into account there might be a mistake either in the challenge statement or the assertion .Looking forward to getting an answer from @davidmarkclements
1 -
Im stuck on this one too
0 -
Hello, I can confirm this pass with 0 errors. If you want the solution =>
const base64 = Buffer.from(str).toString('base64');
3 -
@xwarzdev is correct.
0 -
Thanks to teacher David, and @xwarzdev.
The string was transfered to base64.0 -
When i implement this answer that xwardev pointed, i still could not manage it to pass:
"use strict"; const assert = require("assert"); const str = "buffers are neat"; const base64 = Buffer.from(str).toString("base64"); console.log("base64: ", base64); assert.strictEqual( base64, Buffer.from([ 89, 110, 86, 109, 90, 109, 86, 121, 99, 121, 66, 104, 99, 109, 85, 103, 98, 109, 86, 104, 100, 65, 61, 61, ]) ); console.log("passed!");
The output I am getting:
base64: YnVmZmVycyBhcmUgbmVhdA== node:assert:123 throw new AssertionError(obj); ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + 'YnVmZmVycyBhcmUgbmVhdA==' - Buffer(24) [Uint8Array] [ - 89, - 110, - 86, - 109, - 90, - 109, - 86, - 121, - 99, - 121, - 66, - 104, - 99, - 109, - 85, - 103, - 98, - 109, - 86, - 104, - 100, - 65, - 61, - 61 - ] at Object.<anonymous> (/home/jwandekoken/coding/nodejs_JSNAD-labs/ch-11/labs-2/index.js:8:8) at Module._compile (node:internal/modules/cjs/loader:1095:14) at Object.Module._extensions..js (node:internal/modules/cjs/loader:1124:10) at Module.load (node:internal/modules/cjs/loader:975:32) at Function.Module._load (node:internal/modules/cjs/loader:816:12) at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:79:12) at node:internal/main/run_main_module:17:47 { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'YnVmZmVycyBhcmUgbmVhdA==', expected: Buffer(24) [Uint8Array] [ 89, 110, 86, 109, 90, 109, 86, 121, 99, 121, 66, 104, 99, 109, 85, 103, 98, 109, 86, 104, 100, 65, 61, 61 ], operator: 'strictEqual' }
2 -
@jwandekoken, you're using
assert.strictEqual
rather thanassert.equal
, which is what I see in the course code and coerces the buffer to a string (or maybe the other way around?). Try either switching toassert.equal
or adding thetoString()
method to the buffer.0 -
@gregsheppard said:
@jwandekoken, you're usingassert.strictEqual
rather thanassert.equal
, which is what I see in the course code and coerces the buffer to a string (or maybe the other way around?). Try either switching toassert.equal
or adding thetoString()
method to the buffer.Thanks for the reply, @gregsheppard. It was indeed that. It worked. I am using strictEqual because it says on my editor that assert.equal is being deprecated, heheh.
0 -
Fantastic @jwandekoken! Thanks for helping me clarify the difference between the two
assert
methods myself. I hadn't properly wrapped my head around it until I looked into this after your post.1
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