feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/js-git/test/test-pack-codec.js

@@ -0,0 +1,100 @@
+var bodec = require('bodec');
+var run = require('./run.js');
+var decoders = require('../lib/object-codec.js').decoders;
+var encoders = require('../lib/object-codec.js').encoders;
+
+// The thing we mean to test.
+var codec = require('../lib/pack-codec.js');
+
+var pack = require('./sample-pack.js');
+var items = [];
+var newPack;
+
+function unpackStream(stream) {
+  var meta, out = [], finished = false;
+  var write = codec.decodePack(onItem);
+  for (var i = 0, l = stream.length; i < l; i += 128) {
+    var slice = bodec.slice(stream, i, i + 128);
+    try {
+      // console.log("SLICE", slice);
+      write(slice);
+    }
+    catch (err) {
+      throw err;
+    }
+  }
+  write();
+
+  function onItem(item) {
+    // console.log("UNPACK", item);
+    if (item === undefined) {
+      finished = true;
+    }
+    else if (!meta) {
+      meta = item;
+    }
+    else {
+      out.push(item);
+    }
+  }
+  if (!finished) throw new Error("unpack stream didn't finish");
+  if (out.length !== meta.num) throw new Error("Item num mismatch");
+  return out;
+}
+
+
+run([
+  function testDecodePack() {
+    var counts = {};
+    items = unpackStream(pack).map(function (item) {
+      counts[item.type] = counts[item.type] || 0;
+      counts[item.type]++;
+      if (item.type === "tree" || item.type === "tag" || item.type === "commit") {
+        item.body = decoders[item.type](item.body);
+      }
+      return item;
+    });
+    if (counts.commit !== 6) throw new Error("Wrong number of commits parsed");
+    if (counts.tree !== 4) throw new Error("Wrong number of trees parsed");
+    if (counts.blob !== 4) throw new Error("Wrong number of blobs parsed");
+    if (counts['ofs-delta'] !== 2) throw new Error("Wrong number of offset deltas parsed");
+  },
+  function testEncodePack() {
+    var done = false;
+    var outs = [];
+
+    var write = codec.encodePack(function (item) {
+      if (item === undefined) {
+        done = true;
+        return;
+      }
+      if (!bodec.isBinary(item)) throw new Error("encode output must be buffers");
+      outs.push(item);
+    });
+    write({num:items.length});
+    items.forEach(function (item) {
+      if (!bodec.isBinary(item.body)) {
+        item.body = encoders[item.type](item.body);
+        }
+      write(item);
+    });
+    write();
+
+    if (!done) throw new Error("Output stream never ended");
+
+    newPack = bodec.join(outs);
+  },
+  function verifyEncodePack() {
+    try {
+      unpackStream(newPack);
+      if (bodec.toHex(pack) !== bodec.toHex(newPack)) {
+        throw new Error("Final pack doesn't match original.");
+      }
+    }
+    catch (err) {
+      console.log(bodec.toHex(pack));
+      console.log(bodec.toHex(newPack));
+      throw err;
+    }
+  }
+]);