Add more assertions to Web3Wrapper public methods

packages/web3-wrapper/test/web3_wrapper_test.ts

@@ -1,4 +1,5 @@
 import * as chai from 'chai';
+import { BlockParamLiteral } from 'ethereum-types';
 import * as Ganache from 'ganache-core';
 import 'mocha';
 
@@ -9,6 +10,8 @@ chaiSetup.configure();
 
 const { expect } = chai;
 
+const NUM_GANACHE_ADDRESSES = 10;
+
 describe('Web3Wrapper tests', () => {
     const NETWORK_ID = 50;
     const provider = Ganache.provider({ network_id: NETWORK_ID });
@@ -36,4 +39,51 @@ describe('Web3Wrapper tests', () => {
             expect(networkId).to.be.equal(NETWORK_ID);
         });
     });
+    describe('#getNetworkIdAsync', () => {
+        it('gets the network id', async () => {
+            const networkId = await web3Wrapper.getNetworkIdAsync();
+            expect(networkId).to.be.equal(NETWORK_ID);
+        });
+    });
+    describe('#getAvailableAddressesAsync', () => {
+        it('gets the available addresses', async () => {
+            const addresses = await web3Wrapper.getAvailableAddressesAsync();
+            expect(addresses.length).to.be.equal(NUM_GANACHE_ADDRESSES);
+        });
+    });
+    describe('#getBalanceInWeiAsync', () => {
+        it('gets the users balance in wei', async () => {
+            const addresses = await web3Wrapper.getAvailableAddressesAsync();
+            const secondAccount = addresses[1];
+            const balanceInWei = await web3Wrapper.getBalanceInWeiAsync(secondAccount);
+            const tenEthInWei = 100000000000000000000;
+            expect(balanceInWei).to.be.bignumber.equal(tenEthInWei);
+        });
+        it('should throw if supplied owner not an Ethereum address hex string', async () => {
+            const invalidEthAddress = 'deadbeef';
+            expect(web3Wrapper.getBalanceInWeiAsync(invalidEthAddress)).to.eventually.to.be.rejected();
+        });
+    });
+    describe('#getBlockAsync', () => {
+        it('gets block when supplied a valid BlockParamLiteral value', async () => {
+            const blockParamLiteral = BlockParamLiteral.Earliest;
+            const block = await web3Wrapper.getBlockAsync(blockParamLiteral);
+            expect(block.number).to.be.equal(0);
+        });
+        it('gets block when supplied a block number', async () => {
+            const blockParamLiteral = 0;
+            const block = await web3Wrapper.getBlockAsync(blockParamLiteral);
+            expect(block.number).to.be.equal(0);
+        });
+        it('gets block when supplied a block hash', async () => {
+            const blockParamLiteral = 0;
+            const block = await web3Wrapper.getBlockAsync(blockParamLiteral);
+            const sameBlock = await web3Wrapper.getBlockAsync(block.hash as string);
+            expect(sameBlock.number).to.be.equal(0);
+        });
+        it('should throw if supplied invalid blockParam value', async () => {
+            const invalidBlockParam = 'deadbeef';
+            expect(web3Wrapper.getBlockAsync(invalidBlockParam)).to.eventually.to.be.rejected();
+        });
+    });
 });