1 files changed, 18 insertions, 1 deletions
diff --git a/lambda-calcul/javascript/test/client.test.js b/lambda-calcul/javascript/test/client.test.js
index 8b68a61..8a5ebff 100644
--- a/lambda-calcul/javascript/test/client.test.js
+++ b/lambda-calcul/javascript/test/client.test.js
@@ -40,7 +40,6 @@ describe('λ-calculator', () => {
   });
 
   it('retrieves next challenge', () => {
-
     challenger.on('request', (request, response) => {
       expect(request.method).toBe('GET');
       expect(request.url).toBe('/api/challenge?token=SomeToken');
@@ -80,4 +79,22 @@ describe('λ-calculator', () => {
     const client = LC.newClient({ parser, interpreter, printer });
     expect(client.solve('Some challenge')).toBe('Expression to print');
   });
+
+  it('unregisters user', () => {
+    let challengerCalled = false;
+
+    challenger.on('request', (request, response) => {
+      challengerCalled = true;
+      expect(request.method).toBe('DELETE');
+      expect(request.url).toBe('/api/register?token=SomeToken');
+      response.end();
+    });
+
+    const client = LC.newClient({
+      playerName: 'John Smith',
+      challengerURL: `http://localhost:${port}`,
+    });
+    return client.unregister('SomeToken')
+      .then(() => expect(challengerCalled).toBe(true));
+  });
 });