99 lines
3.0 KiB
JavaScript
99 lines
3.0 KiB
JavaScript
// our DTwitter contract object to test
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const DTwitter = require('Embark/contracts/DTwitter');
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// contract methods we'll be testing
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const { createAccount, users, owners, userExists, editAccount, tweet } = DTwitter.methods;
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// variables that will be updated in the tests
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let accounts;
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// set up our config test parameters
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config({
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contracts: {
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DTwitter: {
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// would pass constructor args here if needed
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}
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}
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}, (err, theAccounts) => {
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// this is the list of accounts our node / wallet controls.
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accounts = theAccounts;
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});
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// other test parameters
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const username = 'testhandle';
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const description = 'test description';
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const tweetContent = 'test tweet';
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// Embark exposes a global contract method as an alias
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// for Mocha.describe
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contract("DTwitter contract", function () {
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this.timeout(0);
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// it(`should create a dtwitter user '${username}' with description '${description}'`, async function () {
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it("transaction to create a dtwitter user 'testhandle' with description 'test description' should be successful", async function () {
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// do the create account
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const createAccountTx = await createAccount(username, description).send();
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// assert that the transaction was successful
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assert.equal(createAccountTx.status, true);
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});
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it("should have created a user 'testhandle'", async function () {
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// get user details from contract
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const user = await users(web3.utils.keccak256(username)).call();
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assert.equal(user.username, username);
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assert.equal(user.description, description);
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});
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it("should have created an owner for our defaultAccount", async function () {
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// read from the owners mapping
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const usernameHash = await owners(web3.eth.defaultAccount).call();
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// check the return value from owners mapping matches
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assert.equal(usernameHash, web3.utils.keccak256(username));
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});
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it("should know 'testhandle' exists", async function () {
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const usernameHash = web3.utils.keccak256(username);
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const exists = await userExists(usernameHash).call();
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assert.equal(exists, true);
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});
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it("should be able to edit 'testhandle' user details", async function () {
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const usernameHash = web3.utils.keccak256(username);
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const updatedDescription = description + ' edited';
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const updatedImageHash = 'QmWvPtv2xVGgdV12cezG7iCQ4hQ52e4ptmFFnBK3gTjnec';
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await editAccount(usernameHash, updatedDescription, updatedImageHash).send();
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const updatedUserDetails = await users(usernameHash).call();
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assert.equal(updatedUserDetails.description, updatedDescription);
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assert.equal(updatedUserDetails.picture, updatedImageHash);
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});
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it("should be able to add a tweet as 'testhandle' and receive it via contract event", async function () {
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const usernameHash = web3.utils.keccak256(username);
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await tweet(tweetContent).send();
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DTwitter.events.NewTweet({
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filter: { _from: usernameHash },
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fromBlock: 0
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})
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.on('data', (event) => {
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assert.equal(event.returnValues.tweet, tweetContent);
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});
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});
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});
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