Merge 5c76aed into 6fd9134

__test__/src/sbt/traverse.test.js

@@ -0,0 +1,33 @@
+const { expect } = require('chai');
+const SBT = require('../../../src/sbt/tree');
+
+const printedTree = `└── 5
+    ├── 2
+    │   ├── 2
+    │   └── 3
+    └── 7
+        └── 9
+`;
+
+describe('traverse test suit', () => {
+  let sbt = new SBT();
+  beforeEach(() => {
+    sbt = undefined;
+    sbt = new SBT();
+
+  });
+  it('should print tree', () => {
+    sbt.add(7);
+    sbt.add(3);
+    sbt.add(5);
+    sbt.add(2);
+    sbt.add(9);
+    sbt.add(2);
+
+    expect(sbt.traverse()).to.be.equal(printedTree);
+  });
+  it('should handle empty tree', () => {
+      sbt.traverse();
+      expect(sbt.traverse()).to.be.equal('');
+  });
+});

package.json

@@ -9,7 +9,7 @@
     "run-dev": "webpack-dev-server --mode development --config webpack.dev.config.js",
     "generate-doc": "jsdoc -R README.md -r src -d apidoc",
     "benchmark": "node benchmark/benchmark.js",
-    "test": "mocha ./__test__/src/sbt/tree.test.js",
+    "test": "mocha ./__test__/src/sbt/*.test.js",
     "benchmark-add": "0x -- node --prof benchmark/add.js",
     "coverage": "nyc npm test && nyc report --reporter=text-lcov | coveralls"
   },