From 1504fb01fed507965ee03c0b1b995d4b3d1e4bd6 Mon Sep 17 00:00:00 2001
From: Eric Guan <guanzo91@gmail.com>
Date: Wed, 24 Jan 2024 11:12:56 -0800
Subject: [PATCH] test: add test for range request on multi block CAR (#55)

* test: add test for range request on multi block CAR

* fix: use proper range requested CAR file

* fix: test command
---
 package.json                           |   2 +-
 test/car.spec.js                       |  17 +++++++++++++++++
 test/fixtures/multi_block.car          | Bin 0 -> 1496 bytes
 test/fixtures/multi_block_filtered.car | Bin 0 -> 748 bytes
 4 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 test/fixtures/multi_block.car
 create mode 100644 test/fixtures/multi_block_filtered.car

diff --git a/package.json b/package.json
index ee20e1f..ce2c58a 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "main": "src/index.js",
   "type": "module",
   "scripts": {
-    "test": "NODE_ENV=development TESTING=true node  --test test/",
+    "test": "NODE_ENV=development TESTING=true node  --test test/*",
     "build": "webpack --mode production",
     "prepack": "npm run build"
   },
diff --git a/test/car.spec.js b/test/car.spec.js
index b1305c9..36217c8 100644
--- a/test/car.spec.js
+++ b/test/car.spec.js
@@ -79,6 +79,23 @@ describe('CAR Verification', () => {
     assert.strictEqual(actualContent, expectedContent)
   })
 
+  it('should extract content from a valid multi block CAR with a range', async () => {
+    const cidPath = 'QmStvUMCtXxEb8wRjNSUqWwqHBEDhmnEd5nHp5siV7bm1Z'
+    const filepath = getFixturePath('multi_block_filtered.car')
+    const carStream = fs.createReadStream(filepath)
+
+    const contentItr = await extractVerifiedContent(cidPath, carStream, { rangeStart: 300, rangeEnd: 349 })
+    const buffer = await concatChunks(contentItr)
+    const actualContent = Buffer.from(buffer).toString('base64')
+
+    // To get this value:
+    // $ mkdir -p outdir && car x -f multi_block.car outdir
+    // $ dd status=none if=outdir/unknown of=/dev/stdout bs=1 skip=300 count=50 | base64
+    const expectedContent = 'Dubn28NGm5/ycJu4PqXEFrgvN0ys0yAwhuYjl2TV23ruEcDazo4LAzZSKF3JeNfCNgg='
+
+    assert.strictEqual(actualContent, expectedContent)
+  })
+
   it('should verify intermediate path segments', async () => {
     const cidPath =
       'bafybeigeqgfwhivuuxgmuvcrrwvs4j3yfzgljssvnuqzokm6uby4fpmwsa/subdir/hello.txt'
diff --git a/test/fixtures/multi_block.car b/test/fixtures/multi_block.car
new file mode 100644
index 0000000000000000000000000000000000000000..b3e5d0c999c30e5c7a79bbecc499a8ce89c05dee
GIT binary patch
literal 1496
zcmcCmlv<RZUsBw7Ln}g=K}f-QvxZde?MXlES6t-WylThxjB1YT>`Vjw>tZd7ctqL`
zq?e@@6=&w>F+OA@tXN2sOG!w<uP}MZS;g7+8olSQ;D5br=539a{bpWT>N7kq{y8>>
zYlRSlL^l&e=~de#!`qXyoQzsIpZwze^y;w}TTB7l|KI5!=f;*r6`nv+TE3m-P17^0
zWxqeCCoaF8wp!)Vx=$?GTV6XIe2~QYgQE^fDNn7JgoO9a>AUhTFsQLu<t)*kC6bqP
z=D@1l*>(j&g(6_3T!I`-5)B**4NP#fmWi<AxjL9Qn1mXbd=DkBoEW7vFM=sJHsCu?
z7JJ5wg&)0BZR}sY2s?VE)Ax$4ou=33IN4OM17<f1|G#>r{7P0=yWg_-;E%jL6HZB9
z7wzIs;S<W`mHk<1enV*5=8JDn9FqRfx&GhEW#?B~+_r0d)ma~0T${Lj!Q$QA@qLq?
zIoZ1S^T@It{vP8oY3nR~;b7*#l;1)Rw9J&>&3UNOA)@eo@7hGAo@chKQx}z4v#55x
zl}kGPLOIw$^I+$TmVc|f5|6xR_xZf*74yN0HXXT3E}WN^9@V^=yXEm`g)Y5)fh<3^
zFY<f&Q};}4yLq6(w@s3hFT~AzQT^q4gT*vn+gQOvr!Kfi%u$~G{oEbKb?p)jOrYQ*
z6oIhda?iP8a&`B~H68vN_n(@tkaN&$oqgT3*-v6`+o<UIZ<zKcDgEKqMJq1ui@Q|B
z_w4!Y!)~+Ze=3;0!*1yju^sy6K5H&37_>c8o}O~`cGWw<1GmogaWk6*X~dqaxPHit
z!%#0}$t*LKv!@iK>?HOHKe@enYRSH<;@>LrT=t$f{g>~wvXW{2Bk9<%FC}wUcS^pM
zJ14?cnqy(Mdh3+RC*ftXGvzzGmquTgD=>I3eNIpHcF5**{uaeo{ng3!FN4oMvE1OU
zQ!~wLHd|24#`et(%oWDGdo8V)4bvj+bDy<#D(|b}yVvd=XW8A&Z1(5(Lm}CaGIPGY
zk}Y}iAzyyU?Q=hr`Vbmigc30<xZ;%@Uth4TX#Dl7eBp;D{xg+av?uT_ak{3M>aTR?
z23K0o#>NKuuDvJqjKnTBaz(JdHva5i>c!Y?pyesEbCs0xZkD*0%e_Ua>y)Q|IZ<RS
z^=5nWr#VYs)mQtJPhq+DuHw#0-VVd>5)~Qz>u*F#c7>$<mEO6uamjBU2g^&b(<0^y
ze!Bg6tHIx;9LJNHZrLg9&=biPD$Zwry>jCXu}ZBA2R1+YD4i<tr`*G&UHM)A_e*;Y
zH{36raF|0x-uK({o7cM^#AaTYG@-ZuU&V>2@PMA?x1R;qUW<S0`|?Bk3zdzJ9QU@?
z-g%pvcIQA|{Hy0*%k!??x7~iB^xTPw+rlQ8Jm}_y1{a}>3=1xew`Z!JTcmv1rP_Qy
zB*km0mQ9F^lk<L?49(od^;>sKFP>fa^TUUpe_HJ?&Oa0|Tj|2n$SF0!dIGnUrRwjh
zPZ3|HN`6gHD^Ciu47cRXZ?m6Q+{IOVWF~9VhsI1Fjzy+TOp34FA7o7Uopr4#XY=p4
z1J1AF&ilsa#;P>rJaF5}<A2NcTBLk$S*2)Jn$@X!tA5yiKg<zp9ul{9LAvI`<MDf+
zzc*iE^Tl3xGB-~tfB0;J>C7R&--axbC^=qOR`%kW@zqCyX_`$tGXB`fUSF@PnOuL5
zGy47M!@r9k%f2`>b<^KZZm%6B-@J^9@LT70C9F&EH1E`{dtz4?dS05{d^4d97+e7R
CthZVK

literal 0
HcmV?d00001

diff --git a/test/fixtures/multi_block_filtered.car b/test/fixtures/multi_block_filtered.car
new file mode 100644
index 0000000000000000000000000000000000000000..1e4e9467b755c381d060a5ab1401575d3eeeafca
GIT binary patch
literal 748
zcmd;Dm|m7zRGgWg$HagJjG=sQs7xJ{wpf%}l%HQx+;~GPLYYBG!FjWWRPOCbKkQdr
z<lMY!$M%eBj_mAA1O4k_EsJ<W+77@hV0_3(Sh0{Mmy(czUt#i+vx>9tHG0oq!T);M
z%-b3-`^~(x)Mt2J{Bvv$*9sv9iEbu{(yO*fhPNkYIT^KbKKaG_>D6N|wwMC8|G(2e
z&W$aLDm;Otw0t|uo2F-0%YJ`OPh5UGZMDj!b)Q(Wx4d>b_#lb(2S*)}Ql45b2?_6;
z(|6@xU{GVR%2}d6OC&Gp%z;(8v+W9m3Pr$5xdb_wBpNsr8kpc{Et8M}As2CVFmW&m
zH88p7+%UPi`{bGq|Bd@k%~!}d=(WziZrbc8vA1nh^!ztW`;(OZ@am!!7x%?oD&l+g
z{PtnD+4DaY%-&(Q^oZCFeRH2RmlX`!o+(dHxq7?mo#266=lZyr&4M&yPgYz%WX55r
zm$GD*nabHy3Q~3w`-Gp|UOlyB-&OH%6?rau&zt_scUoD=wEmHFY}l8QIjcJ*-^!g6
zVJpqCFk8KKO68OAGTE8(o!v{Luget}yq7+wr+PbNb2@*E;;a7Z<ocJvXP;PZaM!7s
z<~5rwC}v~(<_6{pW8S@%R?LQJk@mUIT052ZRq@?x_l~pd?q)Xo^ZTKYY)F|o-(Ja<
wJo%6>zvTA0A4+{F(ZJNm!3a!bLePW;Vru|#0F+NCVOc`e5eje_kikFz0Bsy3@c;k-

literal 0
HcmV?d00001