tests: reorganize packages (#7)

* tests: reorganize testing packages

* gitignore and minor changes

tests/solidity/suites/basic/test/counter.js

@@ -0,0 +1,80 @@
+const Counter = artifacts.require("Counter")
+
+contract('Counter', ([one, two, three]) => {
+  console.log(one, two, three)
+  let counter
+
+  beforeEach(async() => {
+    counter = await Counter.new()
+    console.log('Counter:', counter.address)
+
+    console.log('Current eth:')
+    console.log('  - ', await web3.eth.getBalance(one))
+    console.log('  - ', await web3.eth.getBalance(two))
+    console.log('  - ', await web3.eth.getBalance(three))
+    console.log('')
+  })
+
+  it('should add', async() => {
+    const balanceOne = await web3.eth.getBalance(one)
+    const balanceTwo = await web3.eth.getBalance(two)
+    const balanceThree = await web3.eth.getBalance(three)
+
+    let count
+
+    await counter.add({ from: one })
+    count = await counter.getCounter()
+    console.log(count.toString())
+    assert.equal(count, '1', 'Counter should be 1')
+    assert.notEqual(balanceOne, await web3.eth.getBalance(one), `${one}'s balance should be different`)
+
+    await counter.add({ from: two })
+    count = await counter.getCounter()
+    console.log(count.toString())
+    assert.equal(count, '2', 'Counter should be 2')
+    assert.notEqual(balanceTwo, await web3.eth.getBalance(two), `${two}'s balance should be different`)
+
+    await counter.add({ from: three })
+    count = await counter.getCounter()
+    console.log(count.toString())
+    assert.equal(count, '3', 'Counter should be 3')
+    assert.notEqual(balanceThree, await web3.eth.getBalance(three), `${three}'s balance should be different`)
+  })
+
+  it('should subtract', async() => {
+    let count
+
+    await counter.add()
+    count = await counter.getCounter()
+    console.log(count.toString())
+    assert.equal(count, '1', 'Counter should be 1')
+
+    // Use receipt to ensure logs are emitted
+    const receipt = await counter.subtract()
+    count = await counter.getCounter()
+    console.log(count.toString())
+    console.log()
+    console.log('Subtract tx receipt:', receipt)
+    assert.equal(count, '0', 'Counter should be 0')
+    assert.equal(receipt.logs[0].event, 'Changed', "Should have emitted 'Changed' event")
+    assert.equal(receipt.logs[0].args.counter, '0', "Should have emitted 'Changed' event with counter being 0")
+
+    // Check lifecycle of events
+    const contract = new web3.eth.Contract(counter.abi, counter.address)
+    const allEvents = await contract.getPastEvents("allEvents", { fromBlock: 0, toBlock: 'latest' })
+    const changedEvents = await contract.getPastEvents("Changed", { fromBlock: 0, toBlock: 'latest' })
+    console.log('allEvents', allEvents)
+    console.log('changedEvents', changedEvents)
+    assert.equal(allEvents.length, 3)
+    assert.equal(changedEvents.length, 2)
+
+    try {
+      await counter.subtract()
+      assert.fail('Subtracting past 0 should have reverted')
+    } catch (err) {
+      console.log()
+      console.log('Passed -- was expecting error')
+      console.log('Error:', err)
+    }
+  })
+})