Add warnings for deprecated shell commands (#405)

* Add ghost-testrpc `0.0.2` dep (mocks $ testrpc-sc)

dist/bin.js

@@ -0,0 +1,8 @@
+/*
+  Logs a warning / informational message when user tries to
+  invoke 'solidity-coverage' as a shell command. This file
+  is listed as the package.json "bin".
+*/
+const AppUI = require('../lib/ui').AppUI;
+
+(new AppUI()).report('command');

lib/ui.js

@@ -76,7 +76,14 @@ class AppUI extends UI {
       'cleanup': `${ct} ${c.grey('solidity-coverage cleaning up, shutting down ganache server')}`,
 
       'server':  `${ct} ${c.bold('server: ')}           ${c.grey(args[0])}`,
-    }
+
+      'command': `\n${w}  ${c.red.bold('solidity-coverage >= 0.7.0 is no longer a shell command.')} ${w}\n` +
+                 `${c.bold('=============================================================')}\n\n` +
+                 `Instead, you should use the plugin produced for your development stack\n` +
+                 `(like Truffle, Buidler) or design a custom workflow using the package API\n\n` +
+                 `> See github.com/sc-forks/solidity-coverage for help with configuration.\n\n` +
+                 `${c.green.bold('Thanks! - sc-forks')}\n`,
+    };
 
     this._write(kinds[kind]);
   }

package.json

@@ -4,6 +4,9 @@
   "description": "",
   "main": "index.js",
   "buidler": "dist/buidler.coverage.js",
+  "bin": {
+    "solidity-coverage": "./dist/bin.js"
+  },
   "directories": {
     "test": "test"
   },
@@ -25,6 +28,7 @@
     "chalk": "^2.4.2",
     "death": "^1.1.0",
     "ganache-core-sc": "2.7.0-sc.0",
+    "ghost-testrpc": "^0.0.2",
     "global-modules": "^2.0.0",
     "globby": "^10.0.1",
     "istanbul": "^0.4.5",

test/units/truffle/errors.js

@@ -193,4 +193,30 @@ describe('Truffle Plugin: error cases', function() {
 
     verify.coverageNotGenerated(truffleConfig);
   })
+
+  it('user runs "solidity-coverage" as shell command', function(){
+    const pathToCommand = './dist/bin.js';
+    const pkg = require('../../../package.json');
+
+    assert(
+      pkg.bin['solidity-coverage'] === pathToCommand,
+      'bin.js should be pkg.bin'
+    );
+
+    const output = shell.exec(`node ${pathToCommand}`, {silent:true}).stdout;
+
+    assert(
+      output.includes('no longer a shell command'),
+      `should have right info: ${output}`
+    );
+  });
+
+  it('user runs "testrpc-sc" as shell command', function(){
+    const output = shell.exec(`testrpc-sc`, {silent:true}).stdout;
+
+    assert(
+      output.includes('does not use "testrpc-sc"'),
+      `should have right info: ${output}`
+    );
+  });
 })

yarn.lock

@@ -3230,6 +3230,14 @@ getpass@^0.1.1:
   dependencies:
     assert-plus "^1.0.0"
 
+ghost-testrpc@^0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/ghost-testrpc/-/ghost-testrpc-0.0.2.tgz#c4de9557b1d1ae7b2d20bbe474a91378ca90ce92"
+  integrity sha512-i08dAEgJ2g8z5buJIrCTduwPIhih3DP+hOCTyyryikfV8T0bNvHnGXO67i0DD1H4GBDETTclPy9njZbfluQYrQ==
+  dependencies:
+    chalk "^2.4.2"
+    node-emoji "^1.10.0"
+
 glob-parent@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.0.0.tgz#1dc99f0f39b006d3e92c2c284068382f0c20e954"