added test-tracemanager

Author: djonathascardoso

packages/opencensus-core/test/test-tracemanager.ts

@@ -0,0 +1,81 @@
+import { TraceManager } from '../src/trace/tracemanager';
+import { Trace } from '../src/trace/trace';
+import { Span } from '../src/trace/span';
+
+let assert = require('assert');
+
+describe('TraceManager', function () {
+  describe('new TraceManager()', function () {
+    it('should be a TraceManager instance', function () {
+      let traceManager = new TraceManager();
+      assert.ok(traceManager instanceof TraceManager);
+    });
+  });
+
+  describe('start()', function () {
+    let traceManager = new TraceManager();
+    let traceManagerStarted = traceManager.start();
+
+    it('should return a TraceManager instance', function () {
+      assert.ok(traceManagerStarted instanceof TraceManager);
+    });
+
+    it('should set true on active property', function () {
+      assert.ok(traceManagerStarted.active);
+    });
+  });
+
+  describe('startTrace()', function () {
+    let traceManager;
+    let trace;
+
+    before(() => {
+      traceManager = new TraceManager();
+      trace = traceManager.startTrace();
+    })
+
+    it('should return a Trace instance', function () {
+      assert.ok(trace instanceof Trace);
+    });
+
+    it('the new trace was set as current trace', function () {
+      assert.equal(traceManager.currentTrace.id, trace.id);
+    });
+
+    it('the new trace was started', function () {
+      assert.ok(trace.started);
+    });
+  });
+
+  describe('endTrace()', function () {
+    it('the current trace was ended', function () {
+      let traceManager = new TraceManager();
+      let trace = traceManager.startTrace();
+      traceManager.endTrace();
+      assert.ok(trace.ended);
+    });
+  });
+
+  describe('clearCurrentTrace()', function () {
+    it('the current trace is null', function () {
+      let traceManager = new TraceManager();
+      let trace = traceManager.startTrace();
+      traceManager.clearCurrentTrace();
+      assert.ok(traceManager.currentTrace == null);
+    });
+  });
+
+  describe('startSpan()', function () {
+    let traceManager = new TraceManager();
+    let trace = traceManager.startTrace();
+    let span = traceManager.startSpan("spanName", "spanType");
+    it('should return a Span instance', function () {
+      assert.ok(span instanceof Span);
+    });
+
+    it('span was started', function () {
+      assert.ok(span.started);
+    });
+  });
+
+});