Add --file command option (for js test subsets) (#387)

Author: cgewecke

dist/truffle.plugin.js

@@ -33,6 +33,7 @@ const dir = require('node-dir');
 const Web3 = require('web3');
 const util = require('util');
 const ganache = require('ganache-core-sc');
+const globby = require('globby');
 
 async function plugin(truffleConfig){
   let app;
@@ -116,16 +117,21 @@ async function plugin(truffleConfig){
   // Finish
   await app.cleanUp();
 
-  if (error !== undefined) throw new Error(error)
+  if (error !== undefined) throw error;
   if (failures > 0) throw new Error(`${failures} test(s) failed under coverage.`)
 }
 
 // -------------------------------------- Helpers --------------------------------------------------
 
 function tests(truffle){
+  let target;
+
+  (typeof truffle.file === 'string')
+    ? target = globby.sync([truffle.file])
+    : target = dir.files(truffle.test_directory, { sync: true }) || [];
+
   const regex = /.*\.(js|ts|es|es6|jsx|sol)$/;
-  const files = dir.files(truffle.test_directory, { sync: true }) || [];
-  return files.filter(f => f.match(regex) != null);
+  return target.filter(f => f.match(regex) != null);
 }
 
 

package.json

@@ -23,6 +23,7 @@
   "dependencies": {
     "death": "^1.1.0",
     "ganache-core-sc": "2.7.0-sc.0",
+    "globby": "^10.0.1",
     "istanbul": "^0.4.5",
     "node-dir": "^0.1.17",
     "req-cwd": "^1.0.1",

test/integration/projects/test-files/.solcover.js

@@ -0,0 +1,3 @@
+module.exports = {
+  silent: process.env.SILENT ? true : false,
+}

test/integration/projects/test-files/contracts/ContractA.sol

@@ -0,0 +1,17 @@
+pragma solidity ^0.5.0;
+
+
+contract ContractA {
+  uint x;
+  constructor() public {
+  }
+
+  function sendFn() public {
+    x = 5;
+  }
+
+  function callFn() public pure returns (uint){
+    uint y = 5;
+    return y;
+  }
+}

test/integration/projects/test-files/contracts/ContractB.sol

@@ -0,0 +1,17 @@
+pragma solidity ^0.5.0;
+
+
+contract ContractB {
+  uint x;
+  constructor() public {
+  }
+
+  function sendFn() public {
+    x = 5;
+  }
+
+  function callFn() public pure returns (uint){
+    uint y = 5;
+    return y;
+  }
+}

test/integration/projects/test-files/contracts/ContractC.sol

@@ -0,0 +1,17 @@
+pragma solidity ^0.5.0;
+
+
+contract ContractC {
+  uint x;
+  constructor() public {
+  }
+
+  function sendFn() public {
+    x = 5;
+  }
+
+  function callFn() public pure returns (uint){
+    uint y = 5;
+    return y;
+  }
+}

test/integration/projects/test-files/contracts/Migrations.sol

@@ -0,0 +1,23 @@
+pragma solidity >=0.4.21 <0.6.0;
+
+contract Migrations {
+  address public owner;
+  uint public last_completed_migration;
+
+  constructor() public {
+    owner = msg.sender;
+  }
+
+  modifier restricted() {
+    if (msg.sender == owner) _;
+  }
+
+  function setCompleted(uint completed) public restricted {
+    last_completed_migration = completed;
+  }
+
+  function upgrade(address new_address) public restricted {
+    Migrations upgraded = Migrations(new_address);
+    upgraded.setCompleted(last_completed_migration);
+  }
+}

test/integration/projects/test-files/migrations/1_initial_migration.js

@@ -0,0 +1,5 @@
+const Migrations = artifacts.require("Migrations");
+
+module.exports = function(deployer) {
+  deployer.deploy(Migrations);
+};

test/integration/projects/test-files/migrations/2_contracta.js

@@ -0,0 +1,5 @@
+const ContractA = artifacts.require("ContractA");
+
+module.exports = function(deployer) {
+  deployer.deploy(ContractA);
+};

test/integration/projects/test-files/migrations/3_contractb.js

@@ -0,0 +1,5 @@
+const ContractB = artifacts.require("ContractB");
+
+module.exports = function(deployer) {
+  deployer.deploy(ContractB);
+};