Auto disable buidler-gas-reporter (#504)

package.json

@@ -47,6 +47,7 @@
     "@nomiclabs/buidler-truffle5": "^1.1.2",
     "@nomiclabs/buidler-web3": "^1.1.2",
     "@truffle/contract": "^4.0.36",
+    "buidler-gas-reporter": "^0.1.3",
     "decache": "^4.5.1",
     "ganache-core-sc": "^2.7.0-sc.0",
     "mocha": "5.2.0",

plugins/resources/buidler.utils.js

@@ -23,6 +23,7 @@ function normalizeConfig(config, args={}){
   config.artifactsDir = config.paths.artifacts;
   config.logger = config.logger ? config.logger : {log: null};
   config.solcoverjs = args.solcoverjs
+  config.gasReporter = { enabled: false }
 
   return config;
 }

test/integration/projects/buidler-gas-reporter/buidler.config.js

@@ -0,0 +1,8 @@
+const { loadPluginFile } = require("@nomiclabs/buidler/plugins-testing");
+loadPluginFile(__dirname + "/../plugins/buidler.plugin");
+usePlugin("@nomiclabs/buidler-truffle5");
+usePlugin("buidler-gas-reporter");
+
+module.exports={
+  defaultNetwork: "buidlerevm",
+};

test/integration/projects/buidler-gas-reporter/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/buidler-gas-reporter/test/test.js

@@ -0,0 +1,15 @@
+const ContractA = artifacts.require("ContractA");
+
+contract("contracta", function(accounts) {
+  let instance;
+
+  before(async () => instance = await ContractA.new())
+
+  it('sends', async function(){
+    await instance.sendFn();
+  });
+
+  it('calls', async function(){
+    await instance.callFn();
+  })
+});

test/units/buidler/standard.js

@@ -294,4 +294,12 @@ describe('Buidler Plugin: standard use cases', function() {
 
     verify.lineCoverage(expected);
   })
-})
+
+  // This test freezes when gas-reporter is not disabled
+  it('disables buidler-gas-reporter', async function() {
+    mock.installFullProject('buidler-gas-reporter');
+    mock.buidlerSetupEnv(this);
+
+    await this.env.run("coverage");
+  });
+})