1  /* global web3, config, contract, assert */
 2  const DReddit = require('Embark/contracts/DReddit');
 3  
 4  const ipfsHash = 'Qmc5gCcjYypU7y28oCALwfSvxCBskLuPKWpK4qpterKC7z';
 5  let accounts = [];
 6  let postId = -1;
 7  
 8  config({
 9    contracts: {
10      DReddit: {}
11    }
12  }, (err, _accounts) => {
13    accounts = _accounts;
14  });
15  
16  contract('DReddit', () => {
17  
18    it('should work', () => {
19      assert.ok(true);
20    });
21  
22    it('should be able to create a post and receive it via contract event', async () => {
23      let receipt = await DReddit.methods.create(web3.utils.fromAscii(ipfsHash)).send();
24      const event = receipt.events.NewPost;
25      postId = event.returnValues.postId;
26      assert.equal(web3.utils.toAscii(event.returnValues.description), ipfsHash);
27    });
28  
29    it ('post should have correct data', async () => {
30      const post = await DReddit.methods.posts(postId).call();
31      assert.equal(web3.utils.toAscii(post.description), ipfsHash);
32      assert.equal(post.owner, accounts[0]);
33    });
34  
35    it("should not be able to vote in an unexisting post", async () => {
36      const userCanVote = await DReddit.methods.canVote("123").call();
37      assert.equal(userCanVote, false);
38    });
39  
40    it("should be able to vote in a post if account hasn't voted before", async () => {
41      const userCanVote = await DReddit.methods.canVote(postId).call();
42      assert.equal(userCanVote, true);
43    });
44  
45    it('should be able to vote in a post', async () => {
46      const receipt = await DReddit.methods.vote(postId, 1).send();
47      const Vote = receipt.events.Vote;
48      assert.equal(Vote.returnValues.voter, accounts[0]);
49    });
50  
51    it('shouldn\'t be able to vote twice', async () => {
52      try {
53        await DReddit.methods.vote(postId, 1).send();
54        assert.fail('should have reverted before');
55      } catch (error){
56        assert(error.message.search('revert') > -1, 'Revert should happen');
57      }
58    });
59  });