From 52260cdf7f48a4a03ae41c7a156625d867e5b0cc Mon Sep 17 00:00:00 2001
From: Ahmed Ali <ahmedaabdulwahed@gmail.com>
Date: Fri, 19 Jun 2020 10:27:39 +0200
Subject: [PATCH] fix datatoken unit testing

---
 package-lock.json            | 3870 +++-------------------------------
 package.json                 |   11 +-
 src/datatokens/Datatokens.ts |   37 +-
 test/TestContractHandler.ts  |   25 +-
 test/unit/.mocharc.json      |   12 +
 test/unit/Datatokens.test.ts |   37 +-
 6 files changed, 331 insertions(+), 3661 deletions(-)
 create mode 100644 test/unit/.mocharc.json

diff --git a/package-lock.json b/package-lock.json
index 538b31a0..a5efd54f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -820,9 +820,9 @@
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@@ -1679,193 +1679,6 @@
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-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
-      "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
+      "version": "15.3.1",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-15.3.1.tgz",
+      "integrity": "sha512-92O1HWEjw27sBfgmXiixJWT5hRBp2eobqXicLtPBIDBhYB+1HpwZlXmbW2luivBJHBzki+7VyCLRtAkScbTBQA==",
       "dev": true,
       "requires": {
-        "cliui": "^5.0.0",
-        "find-up": "^3.0.0",
+        "cliui": "^6.0.0",
+        "decamelize": "^1.2.0",
+        "find-up": "^4.1.0",
         "get-caller-file": "^2.0.1",
         "require-directory": "^2.1.1",
         "require-main-filename": "^2.0.0",
         "set-blocking": "^2.0.0",
-        "string-width": "^3.0.0",
+        "string-width": "^4.2.0",
         "which-module": "^2.0.0",
         "y18n": "^4.0.0",
-        "yargs-parser": "^13.1.2"
+        "yargs-parser": "^18.1.1"
+      }
+    },
+    "yargs-parser": {
+      "version": "18.1.3",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-18.1.3.tgz",
+      "integrity": "sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
+      }
+    },
+    "yargs-unparser": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.0.tgz",
+      "integrity": "sha512-W9tKgmSn0DpSatfri0nx52Joq5hVXgeLiqR/5G0sZNDoLZFOr/xjBUDcShCOGNsBnEMNo1KAMBkTej1Hm62HTw==",
+      "dev": true,
+      "requires": {
+        "flat": "^4.1.0",
+        "lodash": "^4.17.15",
+        "yargs": "^13.3.0"
       },
       "dependencies": {
         "ansi-regex": {
@@ -15891,6 +12474,41 @@
           "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
           "dev": true
         },
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "cliui": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
+          "integrity": "sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==",
+          "dev": true,
+          "requires": {
+            "string-width": "^3.1.0",
+            "strip-ansi": "^5.2.0",
+            "wrap-ansi": "^5.1.0"
+          }
+        },
+        "color-convert": {
+          "version": "1.9.3",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+          "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+          "dev": true,
+          "requires": {
+            "color-name": "1.1.3"
+          }
+        },
+        "color-name": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+          "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+          "dev": true
+        },
         "emoji-regex": {
           "version": "7.0.3",
           "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
@@ -15957,6 +12575,35 @@
             "ansi-regex": "^4.1.0"
           }
         },
+        "wrap-ansi": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
+          "integrity": "sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.0",
+            "string-width": "^3.0.0",
+            "strip-ansi": "^5.0.0"
+          }
+        },
+        "yargs": {
+          "version": "13.3.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+          "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
+          "dev": true,
+          "requires": {
+            "cliui": "^5.0.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^2.0.1",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^2.0.0",
+            "set-blocking": "^2.0.0",
+            "string-width": "^3.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.1.2"
+          }
+        },
         "yargs-parser": {
           "version": "13.1.2",
           "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
@@ -15969,27 +12616,6 @@
         }
       }
     },
-    "yargs-parser": {
-      "version": "18.1.3",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-18.1.3.tgz",
-      "integrity": "sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==",
-      "dev": true,
-      "requires": {
-        "camelcase": "^5.0.0",
-        "decamelize": "^1.2.0"
-      }
-    },
-    "yargs-unparser": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.0.tgz",
-      "integrity": "sha512-W9tKgmSn0DpSatfri0nx52Joq5hVXgeLiqR/5G0sZNDoLZFOr/xjBUDcShCOGNsBnEMNo1KAMBkTej1Hm62HTw==",
-      "dev": true,
-      "requires": {
-        "flat": "^4.1.0",
-        "lodash": "^4.17.15",
-        "yargs": "^13.3.0"
-      }
-    },
     "yauzl": {
       "version": "2.10.0",
       "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
diff --git a/package.json b/package.json
index 6b530621..7fc24936 100644
--- a/package.json
+++ b/package.json
@@ -16,8 +16,8 @@
     "release": "release-it --non-interactive",
     "changelog": "auto-changelog -p",
     "prepublishOnly": "npm run build",
-    "test": "mocha --opts test/unit/mocha.opts",
-    "test:integration": "mocha --opts test/integration/mocha.opts"  
+    "test": "mocha --config=test/unit/.mocharc.json --node-env=test --exit",
+    "test:integration": "mocha --opts test/integration/mocha.opts"
   },
   "repository": {
     "type": "git",
@@ -46,8 +46,8 @@
     "whatwg-url": "^8.0.0"
   },
   "devDependencies": {
+    "@oceanprotocol/contracts": "^0.2.2",
     "@release-it/bumper": "^1.4.0",
-    "@oceanprotocol/contracts": "^0.2.0",
     "@truffle/hdwallet-provider": "^1.0.33",
     "@types/chai": "^4.2.11",
     "@types/chai-spies": "^1.0.1",
@@ -76,10 +76,7 @@
     "ts-node": "^8.10.2",
     "typedoc": "^0.17.1",
     "typescript": "^3.9.5",
-    "uglifyjs-webpack-plugin": "^2.2.0",
-    "webpack": "^4.42.0",
-    "webpack-cli": "^3.3.11",
-    "webpack-merge": "^4.2.2"
+    "yargs": "^15.3.1"
   },
   "nyc": {
     "include": [
diff --git a/src/datatokens/Datatokens.ts b/src/datatokens/Datatokens.ts
index 38d3e05e..89920bb1 100644
--- a/src/datatokens/Datatokens.ts
+++ b/src/datatokens/Datatokens.ts
@@ -1,7 +1,7 @@
 import Account from '../ocean/Account'
 
-import * as defaultFactoryABI from '@oceanprotocol/contracts/artifacts/development/Factory.json'
-import * as defaultDatatokensABI from '@oceanprotocol/contracts/artifacts/development/DataTokenTemplate.json'
+const defaultFactoryABI = require('@oceanprotocol/contracts/artifacts/development/Factory.json')
+const defaultDatatokensABI = require('@oceanprotocol/contracts/artifacts/development/DataTokenTemplate.json')
 
 /**
  * Provides a interface to DataTokens
@@ -27,7 +27,6 @@ export class DataTokens {
         web3: any
     ) {
         this.factoryAddress = factoryAddress
-
         this.factoryABI = factoryABI || defaultFactoryABI
         this.datatokensABI = datatokensABI || defaultDatatokensABI
         this.web3 = web3
@@ -41,11 +40,33 @@ export class DataTokens {
      */
     public async create(metaDataStoreURI: string, account: Account): Promise<string> {
         // Create factory contract object
-        const tokenAddress = null
-        const factory = new this.web3.eth.Contract(this.factoryABI, this.factoryAddress, {
-            from: account
-        })
-        // TODO:
+        const factory = new this.web3.eth.Contract(
+            this.factoryABI, 
+            this.factoryAddress, 
+            {
+                from: account
+            }
+        )
+        const estGas = await factory.methods
+                            .createToken(metaDataStoreURI)
+                            .estimateGas(function(err, estGas){
+                                return estGas
+                      })
+        // Invoke createToken function of the contract
+        const trxReceipt = await factory.methods
+                            .createToken(metaDataStoreURI)
+                            .send({
+                                    from: account,
+                                    gas: estGas+1,
+                                    gasPrice: '3000000000'
+                                  })
+
+        let tokenAddress = null
+        try {
+            tokenAddress = trxReceipt.events.TokenCreated.returnValues[0]
+        } catch (e) {
+            console.error(e)
+        }
         return tokenAddress
     }
 
diff --git a/test/TestContractHandler.ts b/test/TestContractHandler.ts
index d73d36b0..4caa4538 100644
--- a/test/TestContractHandler.ts
+++ b/test/TestContractHandler.ts
@@ -7,15 +7,21 @@ export class TestContractHandler {
     public factory: Contract
     public template: Contract
     public accounts: string[]
+    public templateBytecode: string
+    public factoryBytecode: string
     public factoryAddress: string
     public templateAddress: string
 
     constructor(
-        factoryABI: object,
-        datatokensABI: object
+        factoryABI: Contract,
+        datatokensABI: Contract,
+        templateBytecode: string,
+        factoryBytecode: string
     ){
 	    this.factory = new web3.eth.Contract(factoryABI)
-	    this.template = new web3.eth.Contract(datatokensABI)
+        this.template = new web3.eth.Contract(datatokensABI)
+        this.templateBytecode = templateBytecode
+        this.factoryBytecode = factoryBytecode
     }
 
     public async getAccounts() {
@@ -28,11 +34,9 @@ export class TestContractHandler {
         let blob = 'https://example.com/dataset-1'
         let cap = 1400000000
 
-        // Deploy Template
-        let templateBytecode = 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         // get est gascost
         estGas =  await this.template.deploy({
-                           data:templateBytecode, 
+                           data: this.templateBytecode, 
                            arguments:['Template Contract', 'TEMPLATE', minter, cap, blob]
                           })                       
                           .estimateGas(function(err, estGas){
@@ -40,7 +44,7 @@ export class TestContractHandler {
                           })
         // deploy the contract and get it's address
         this.templateAddress = await this.template.deploy({
-                           data:templateBytecode, 
+                           data: this.templateBytecode, 
                            arguments:['Template Contract', 'TEMPLATE', minter, cap, blob]
                            })
                            .send({
@@ -51,10 +55,9 @@ export class TestContractHandler {
                            .then(function(contract){
                                 return contract.options.address
                            })
-        // Deploy Factory
-        let factoryBytecode = "0x60806040526001805534801561001457600080fd5b50604051602080610ff08339810180604052602081101561003457600080fd5b8101908080519060200190929190505050600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff1614156100cb576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602c815260200180610fc4602c913960400191505060405180910390fd5b806000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff16021790555050610ea98061011b6000396000f3fe608060405234801561001057600080fd5b506004361061005e576000357c01000000000000000000000000000000000000000000000000000000009004806345576f94146100635780637a36b3ee1461015e578063e939567914610329575b600080fd5b61011c6004803603602081101561007957600080fd5b810190808035906020019064010000000081111561009657600080fd5b8201836020820111156100a857600080fd5b803590602001918460018302840111640100000000831117156100ca57600080fd5b91908080601f016020809104026020016040519081016040528093929190818152602001838380828437600081840152601f19601f8201169050808301925050505050505091929192905050506103d0565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b6102ae6004803603604081101561017457600080fd5b810190808035906020019064010000000081111561019157600080fd5b8201836020820111156101a357600080fd5b803590602001918460018302840111640100000000831117156101c557600080fd5b91908080601f016020809104026020016040519081016040528093929190818152602001838380828437600081840152601f19601f8201169050808301925050505050505091929192908035906020019064010000000081111561022857600080fd5b82018360208201111561023a57600080fd5b8035906020019184600183028401116401000000008311171561025c57600080fd5b91908080601f016020809104026020016040519081016040528093929190818152602001838380828437600081840152601f19601f820116905080830192505050505050509192919290505050610b29565b6040518080602001828103825283818151815260200191508051906020019080838360005b838110156102ee5780820151818401526020810190506102d3565b50505050905090810190601f16801561031b5780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b6103556004803603602081101561033f57600080fd5b8101908080359060200190929190505050610bf1565b6040518080602001828103825283818151815260200191508051906020019080838360005b8381101561039557808201518184015260208101905061037a565b50505050905090810190601f1680156103c25780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b60006103fc6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff16610d40565b9050600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff161415610484576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401808060200182810382526038815260200180610e466038913960400191505060405180910390fd5b60606104cf6040518060400160405280600281526020017f44540000000000000000000000000000000000000000000000000000000000008152506104ca600154610bf1565b610b29565b9050606081905060008390508073ffffffffffffffffffffffffffffffffffffffff16630a6f3d9b8484337fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8a6040518663ffffffff167c01000000000000000000000000000000000000000000000000000000000281526004018080602001806020018673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200185815260200180602001848103845289818151815260200191508051906020019080838360005b838110156105c75780820151818401526020810190506105ac565b50505050905090810190601f1680156105f45780820380516001836020036101000a031916815260200191505b50848103835288818151815260200191508051906020019080838360005b8381101561062d578082015181840152602081019050610612565b50505050905090810190601f16801561065a5780820380516001836020036101000a031916815260200191505b50848103825285818151815260200191508051906020019080838360005b83811015610693578082015181840152602081019050610678565b50505050905090810190601f1680156106c05780820380516001836020036101000a031916815260200191505b5098505050505050505050602060405180830381600087803b1580156106e557600080fd5b505af11580156106f9573d6000803e3d6000fd5b505050506040513d602081101561070f57600080fd5b8101908080519060200190929190505050508073ffffffffffffffffffffffffffffffffffffffff1663392e53cd6040518163ffffffff167c010000000000000000000000000000000000000000000000000000000002815260040160206040518083038186803b15801561078357600080fd5b505afa158015610797573d6000803e3d6000fd5b505050506040513d60208110156107ad57600080fd5b8101908080519060200190929190505050610813576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602c815260200180610e1a602c913960400191505060405180910390fd5b7fb51c8cbe199ffe8b0d1d39b62d473569750653cb18b165f77ae423b3900180ad846000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1685604051808473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020018373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200180602001828103825283818151815260200191508051906020019080838360005b838110156108fc5780820151818401526020810190506108e1565b50505050905090810190601f1680156109295780820380516001836020036101000a031916815260200191505b5094505050505060405180910390a1816040518082805190602001908083835b6020831061096c5780518252602082019150602081019050602083039250610949565b6001836020036101000a0380198251168184511680821785525050505050509050019150506040518091039020836040518082805190602001908083835b602083106109cd57805182526020820191506020810190506020830392506109aa565b6001836020036101000a03801982511681845116808217855250505050505090500191505060405180910390208573ffffffffffffffffffffffffffffffffffffffff167f5242aec5021ca3b80047b99ba11a4f6ee963561e3ca5c01854964affbf18c0897fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff33438b604051808581526020018473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200183815260200180602001828103825283818151815260200191508051906020019080838360005b83811015610ad4578082015181840152602081019050610ab9565b50505050905090810190601f168015610b015780820380516001836020036101000a031916815260200191505b509550505050505060405180910390a460018060008282540192505081905550505050919050565b606082826040516020018083805190602001908083835b60208310610b635780518252602082019150602081019050602083039250610b40565b6001836020036101000a03801982511681845116808217855250505050505090500182805190602001908083835b60208310610bb45780518252602082019150602081019050602083039250610b91565b6001836020036101000a03801982511681845116808217855250505050505090500192505050604051602081830303815290604052905092915050565b60606000821415610c39576040518060400160405280600181526020017f30000000000000000000000000000000000000000000000000000000000000008152509050610d3b565b600082905060005b60008214610c63578080600101915050600a8281610c5b57fe5b049150610c41565b6060816040519080825280601f01601f191660200182016040528015610c985781602001600182028038833980820191505090505b50905060006001830390508593505b60008414610d3357600a8481610cb957fe5b066030017f01000000000000000000000000000000000000000000000000000000000000000282828060019003935081518110610cf257fe5b60200101907effffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916908160001a905350600a8481610d2b57fe5b049350610ca7565b819450505050505b919050565b600080826c010000000000000000000000000290506040517f3d602d80600a3d3981f3363d3d373d3d3d363d7300000000000000000000000081528160148201527f5af43d82803e903d91602b57fd5bf3000000000000000000000000000000000060288201526037816000f09250507f117c72e6c25f0a072e36e148df71468ce2f3dbe7defec5b2c257a6e3eb65278c82604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390a15091905056fe466163746f72793a20556e61626c6520746f20696e697469616c697a6520746f6b656e20696e7374616e6365466163746f72793a204661696c656420746f20706572666f726d206d696e696d616c206465706c6f79206f662061206e657720746f6b656ea165627a7a723058208661a4f1759a51204c39e8e7507448b81499f1f9e035fda3f65d9daaadaa2c1c0029466163746f72793a20496e76616c696420546f6b656e466163746f727920696e697469616c697a6174696f6e"
+        
         estGas = await this.factory.deploy({
-                           data:factoryBytecode, 
+                           data: this.factoryBytecode, 
                            arguments:[this.templateAddress]
                            })
                           .estimateGas(function(err, estGas){
@@ -62,7 +65,7 @@ export class TestContractHandler {
                           })
         // deploy the contract and get it's address
         this.factoryAddress = await this.factory.deploy({
-                           data:factoryBytecode, 
+                           data: this.factoryBytecode, 
                            arguments:[this.templateAddress]
                            })
                            .send({
diff --git a/test/unit/.mocharc.json b/test/unit/.mocharc.json
new file mode 100644
index 00000000..11cd0f6a
--- /dev/null
+++ b/test/unit/.mocharc.json
@@ -0,0 +1,12 @@
+{ 
+    "require": [
+        "ts-node/register",
+        "source-map-support/register",
+        "mock-local-storage"
+    ],
+    "full-trace": true,
+    "bail": true,
+    "exit": true,
+    "timeout": 20000,
+    "file": ["test/unit/tsconfig.json", "test/unit/DataTokens.test.ts"]
+}
diff --git a/test/unit/Datatokens.test.ts b/test/unit/Datatokens.test.ts
index f910bb54..ff6b5579 100644
--- a/test/unit/Datatokens.test.ts
+++ b/test/unit/Datatokens.test.ts
@@ -1,12 +1,14 @@
 import { assert } from 'chai'
 import { TestContractHandler } from '../TestContractHandler'
 import { DataTokens } from '../../src/datatokens/Datatokens'
+import Web3 from 'web3'
+
+const factory = require('@oceanprotocol/contracts/artifacts/development/Factory.json')
+const datatokensTemplate = require('@oceanprotocol/contracts/artifacts/development/DataTokenTemplate.json')
+
 
-const Web3 = require('web3')
 const web3 = new Web3("http://127.0.0.1:8545")
 
-const factoryABI = require('../../src/datatokens/FactoryABI.json')
-const datatokensABI = require('../../src/datatokens/DatatokensABI.json')
 
 describe('DataTokens', () => {
 
@@ -16,46 +18,55 @@ describe('DataTokens', () => {
     let contracts
     let datatoken
     let tokenAddress
-
     let tokenAmount = 100
     let blob = 'https://example.com/dataset-1'
 
     describe('#test', () => {
-        it('should deploy contracts', async () => {
-            contracts = new TestContractHandler(factoryABI,datatokensABI)
+        it('#deploy', async () => {
+            contracts = new TestContractHandler(
+                factory.abi, 
+                datatokensTemplate.abi,
+                datatokensTemplate.bytecode,
+                factory.bytecode
+            )
             await contracts.getAccounts()
             minter = contracts.accounts[0]
             spender = contracts.accounts[1]
             await contracts.deployContracts(minter)
         })
 
-        it('should create Datatoken object', async () => {
-            datatoken = new DataTokens(contracts.factoryAddress, factoryABI, datatokensABI, web3)
+        it('#init', async () => {
+            datatoken = new DataTokens(
+                contracts.factoryAddress, 
+                factory.abi, 
+                datatokensTemplate.abi, 
+                web3
+            )
             assert(datatoken !== null)
         })
 
-        it('should create Datatoken contract', async () => {
+        it('#create', async () => {
             tokenAddress = await datatoken.create(blob, minter)
             assert(tokenAddress !== null)
         })
 
-        it('should mint Datatokens', async () => {
+        it('#mint', async () => {
             await datatoken.mint(tokenAddress, minter, tokenAmount)
             balance = await datatoken.balance(tokenAddress, minter)
             assert(balance.toString() === tokenAmount.toString())
         })
 
-        it('should transfer Datatokens to spender', async () => {
+        it('#transfer', async () => {
             await datatoken.transfer(tokenAddress, spender, tokenAmount, minter)
             balance = await datatoken.balance(tokenAddress, spender)
             assert(balance.toString() === tokenAmount.toString())
         })
 
-        it('should approve Datatokens to spend', async () => {
+        it('#approve', async () => {
             await datatoken.approve(tokenAddress, minter, tokenAmount, spender)
         })
 
-        it('should transferFrom Datatokens back to the minter', async () => {
+        it('#transferFrom', async () => {
             await datatoken.transferFrom(tokenAddress, spender, tokenAmount, minter)
             minter = await datatoken.balance(tokenAddress, spender)
             assert(balance.toString() === tokenAmount.toString())