From c8870a0464b30693e9b7c5a665190f6b4eef5219 Mon Sep 17 00:00:00 2001
From: cgewecke <christophergewecke@gmail.com>
Date: Thu, 12 Sep 2019 20:02:45 -0700
Subject: [PATCH] Re-enable e2e zeppelin & metacoin (#396)

* Handle truffle.library require cases

* Fix sanity-check paths
---
 .circleci/config.yml    |  8 ++++----
 dist/truffle.plugin.js  | 38 +++++++++++++++++++++++++++++++-------
 lib/app.js              |  4 ++--
 lib/ui.js               | 15 ++++++++++++++-
 package.json            |  1 +
 scripts/run-metacoin.sh | 14 +++++++++++---
 scripts/run-zeppelin.sh | 21 +++++++++++----------
 yarn.lock               | 17 ++++++++++++++++-
 8 files changed, 90 insertions(+), 28 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index ed5b548..ec8f13f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -74,9 +74,10 @@ workflows:
   build:
     jobs:
       - unit-test
-      # TODO: re-enable
-      #- e2e-zeppelin
-      #- e2e-metacoin
+      - e2e-zeppelin
+      - e2e-metacoin
+  # TODO: re-enable.
+  # At the moment we're using forks so this is pointless
   #nightly:
   #  triggers:
   #    - schedule:
@@ -86,6 +87,5 @@ workflows:
   #            only:
   #              - master
   #  jobs:
-      # TODO: re-enable
       #- e2e-zeppelin
       #- e2e-colony
diff --git a/dist/truffle.plugin.js b/dist/truffle.plugin.js
index 945c1f6..8eed257 100644
--- a/dist/truffle.plugin.js
+++ b/dist/truffle.plugin.js
@@ -34,6 +34,7 @@ const dir = require('node-dir');
 const Web3 = require('web3');
 const util = require('util');
 const globby = require('globby');
+const globalModules = require('global-modules');
 
 async function plugin(truffleConfig){
   let app;
@@ -59,7 +60,7 @@ async function plugin(truffleConfig){
       return app.ui.report('truffle-help')
     }
 
-    truffle = loadTruffleLibrary();
+    truffle = loadTruffleLibrary(app);
 
   } catch (err) {
     throw err;
@@ -152,13 +153,36 @@ function tests(truffle){
 }
 
 
-function loadTruffleLibrary(){
-  try { return require("truffle") }   catch(err) {};
-  try { return require("./truffle.library")} catch(err) {};
+function loadTruffleLibrary(app){
+
+  // Case: from local node_modules
+  try {
+    const lib = require("truffle");
+    app.ui.report('truffle-local');
+    return lib;
+
+  } catch(err) {};
+
+  // Case: global
+  try {
+    const globalTruffle = path.join(globalModules, 'truffle');
+    const lib = require(globalTruffle);
+    app.ui.report('truffle-global');
+    return lib;
+
+  } catch(err) {};
+
+  // Default: fallback
+  try {
+
+    app.ui.report('truffle-warn');
+    return require("./truffle.library")}
+
+  catch(err) {
+    const msg = app.ui.generate('truffle-fail', [err]);
+    throw new Error(msg);
+  };
 
-  // TO DO: throw error? This point should never be reached.
-  // Validate that truffle.ganache exists? Have checked that
-  // a non-existent prop defaults to the ganache-core-sc fallback FWIW.
 }
 
 /**
diff --git a/lib/app.js b/lib/app.js
index 2d11723..bf79b0f 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -261,11 +261,11 @@ class App {
       this.cleanUp("Couldn't find a 'contracts' folder to instrument.");
     }
 
-    if (shell.test('-e', path.join(this.cwd, this.contractsDir))){
+    if (shell.test('-e', this.contractsDir)){
       shell.rm('-Rf', this.contractsDir);
     }
 
-    if (shell.test('-e', path.join(this.cwd, this.artifactsDir))){
+    if (shell.test('-e', this.artifactsDir)){
       shell.rm('-Rf', this.artifactsDir);
     }
   }
diff --git a/lib/ui.js b/lib/ui.js
index eae47a1..88cb170 100644
--- a/lib/ui.js
+++ b/lib/ui.js
@@ -26,6 +26,13 @@ class UI {
                             `${c.red('Check the provider option syntax in solidity-coverage docs.')}\n`+
                  `:warning:  ${c.red('Using ganache-core-sc (eq. core v2.7.0) instead.')}\n`,
 
+      'truffle-local':  `\n${ct} ${c.grey('Using Truffle library from local node_modules.')}\n`,
+      'truffle-global': `\n${ct} ${c.grey('Using Truffle library from global node_modules.')}\n`,
+
+      'truffle-warn': `:warning:  ${c.red('Unable to require Truffle library locally or globally. ')} `+
+                                 `${c.red('Expected to find installed Truffle >= v5.0.31 ...')}\n` +
+                      `:warning:  ${c.red('Using fallback Truffle library instead (v5.0.31)')}\n`,
+
       'truffle-help': `Usage: truffle run coverage [options]\n\n` +
                       `Options:\n` +
                       `  --file:       path (or glob) to subset of JS test files. (Quote your globs)\n` +
@@ -55,8 +62,14 @@ class UI {
    * @param  {String[]} args  info to inject into template
    * @return {String}         message
    */
-  generate(kind, args){
+  generate(kind, args=[]){
+    const kinds = {
+      'truffle-fail':  `${c.red('Unable to load fail-safe Truffle library. Caught: ')} ${args[0]}\n` +
+                       `:x: ${c.red('Try installing Truffle >= v5.0.31 locally or globally.\n')}`,
+    }
+
 
+    return emoji.emojify(kinds[kind])
   }
 }
 
diff --git a/package.json b/package.json
index 173ecd7..5029348 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "chalk": "^2.4.2",
     "death": "^1.1.0",
     "ganache-core-sc": "2.7.0-sc.0",
+    "global-modules": "^2.0.0",
     "globby": "^10.0.1",
     "istanbul": "^0.4.5",
     "node-dir": "^0.1.17",
diff --git a/scripts/run-metacoin.sh b/scripts/run-metacoin.sh
index 5959f24..0a68f51 100755
--- a/scripts/run-metacoin.sh
+++ b/scripts/run-metacoin.sh
@@ -3,6 +3,8 @@
 # E2E CI: installs PR candidate on Truffle's MetaCoin and runs coverage
 #
 
+set -o errexit
+
 # Get rid of any caches
 sudo rm -rf node_modules
 echo "NVM CURRENT >>>>>" && nvm current
@@ -23,9 +25,15 @@ npm install -g truffle
 mkdir metacoin
 cd metacoin
 truffle unbox metacoin --force
-rm test/TestMetacoin.sol
-npm init --yes
+rm truffle-config.js
+echo "module.exports={plugins:['solidity-coverage']}" > truffle-config.js
+cat truffle-config.js
+
+# TODO: Remove this rm.
+# Unknown bug running truffle native solidity tests
+rm test/TestMetaCoin.sol
 
 # Install and run solidity-coverage @ PR
+npm init --yes
 npm install --save-dev $PR_PATH
-npx solidity-coverage
+npx truffle run coverage
diff --git a/scripts/run-zeppelin.sh b/scripts/run-zeppelin.sh
index be8883f..1cf7c19 100755
--- a/scripts/run-zeppelin.sh
+++ b/scripts/run-zeppelin.sh
@@ -3,6 +3,8 @@
 # E2E CI: installs PR candidate on openzeppelin-solidity and runs coverage
 #
 
+set -o errexit
+
 # Get rid of any caches
 sudo rm -rf node_modules
 echo "NVM CURRENT >>>>>" && nvm current
@@ -18,16 +20,14 @@ fi
 
 echo "PR_PATH >>>>> $PR_PATH"
 
-# Install Zeppelin
-git clone https://github.com/OpenZeppelin/openzeppelin-solidity.git
-cd openzeppelin-solidity
+# Install sc-forks Zeppelin fork (temporarily). It's setup to
+# consume the plugin and skips a small set of GSN tests that rely on
+# the client being stand-alone. (See OZ issue #1918 for discussion)
+git clone https://github.com/sc-forks/openzeppelin-contracts.git
+cd openzeppelin-contracts
 
-# Update Zeppelin's script to use 0.6.x
-sed -i 's/if/# /g' scripts/coverage.sh
-sed -i 's/curl/# /g' scripts/coverage.sh
-sed -i 's/fi/# /g' scripts/coverage.sh
-sed -i 's/ganache-cli-coverage/testrpc-sc/g' scripts/test.sh
-sed -i 's/--emitFreeLogs true/ /g' scripts/test.sh
+echo ">>>>> checkout provider-benchmarks branch"
+git checkout provider-benchmarks
 
 # Swap installed coverage for PR branch version
 echo ">>>>> npm install"
@@ -39,4 +39,5 @@ npm uninstall --save-dev solidity-coverage
 echo ">>>>> npm install --save-dev PR_PATH"
 npm install --save-dev "$PR_PATH"
 
-npm run coverage
+# Track perf
+time npx truffle run coverage
diff --git a/yarn.lock b/yarn.lock
index 3a3fd12..07e214a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3852,6 +3852,13 @@ global-modules@^1.0.0:
     is-windows "^1.0.1"
     resolve-dir "^1.0.0"
 
+global-modules@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-2.0.0.tgz#997605ad2345f27f51539bea26574421215c7780"
+  integrity sha512-NGbfmJBp9x8IxyJSd1P+otYK8vonoJactOogrVfFRIAEY1ukil8RSKDz2Yo7wh1oihl51l/r6W4epkeKJHqL8A==
+  dependencies:
+    global-prefix "^3.0.0"
+
 global-prefix@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/global-prefix/-/global-prefix-1.0.2.tgz#dbf743c6c14992593c655568cb66ed32c0122ebe"
@@ -3863,6 +3870,15 @@ global-prefix@^1.0.1:
     is-windows "^1.0.1"
     which "^1.2.14"
 
+global-prefix@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/global-prefix/-/global-prefix-3.0.0.tgz#fc85f73064df69f50421f47f883fe5b913ba9b97"
+  integrity sha512-awConJSVCHVGND6x3tmMaKcQvwXLhjdkmomy2W+Goaui8YPgYgXJZewhg3fWC+DlfqqQuWg8AwqjGTD2nAPVWg==
+  dependencies:
+    ini "^1.3.5"
+    kind-of "^6.0.2"
+    which "^1.3.1"
+
 global@~4.3.0:
   version "4.3.2"
   resolved "https://registry.yarnpkg.com/global/-/global-4.3.2.tgz#e76989268a6c74c38908b1305b10fc0e394e9d0f"
@@ -9520,7 +9536,6 @@ websocket@1.0.29, "websocket@github:web3-js/WebSocket-Node#polyfill/globalThis":
   dependencies:
     debug "^2.2.0"
     es5-ext "^0.10.50"
-    gulp "^4.0.2"
     nan "^2.14.0"
     typedarray-to-buffer "^3.1.5"
     yaeti "^0.0.6"