path runTestFiles for injecting import statements, update readme

remix-tests/README.md

@@ -101,7 +101,7 @@ params:
 * `{ type: 'testPass', value: '<name of testing function>', time: <time taken>, context: '<TestName>'}`
 * `{ type: 'testFailure', value: '<name of testing function>', time: <time taken>, context: '<TestName>', errMsg: '<message in the Assert>' }`
 
-`resultCallback(object)`
+`resultCallback(err, object)`
 * `passingNum` - number of passing tests
 * `failureNum` - number of failing tests
 * `timePassed` - time it took for all the tests to run (in seconds)

remix-tests/examples/simple_storage2_test.sol

 pragma solidity ^0.4.7;
-import "remix_test.sol";
+import "remix_tests.sol";
 import "./simple_storage.sol";
 
 contract MyTest2 {

remix-tests/src/compiler.js

@@ -18,7 +18,6 @@ function compileFileOrFiles (filename, isDirectory, cb) {
     'tests.sol': { content: require('../sol/tests.sol.js') },
     'remix_tests.sol': { content: require('../sol/tests.sol.js') }
   }
-  // signale.debug(sources)
 
   // TODO: for now assumes filepath dir contains all tests, later all this
   // should be replaced with remix's & browser solidity compiler code
@@ -63,9 +62,17 @@ function compileFileOrFiles (filename, isDirectory, cb) {
 function compileContractSources (sources, importFileCb, cb) {
   let compiler, filepath
 
-  if (!sources['remix_tests.sol']) {
+  // Iterate over sources keys. Inject test libraries. Inject test library import statements.
+  if (!('remix_tests.sol' in sources) && !('tests.sol' in sources)) {
     sources['remix_tests.sol'] = { content: require('../sol/tests.sol.js') }
   }
+  const s = /^(import)\s['"](remix_tests.sol|tests.sol)['"];/gm
+  for (let file in sources) {
+    const c = sources[file].content
+    if (file.indexOf('_test.sol') > 0 && c && c.regexIndexOf(s) < 0) {
+      sources[file].content = c.replace(/(pragma solidity \^\d+\.\d+\.\d+;)/, '$1\nimport \'remix_tests.sol\';')
+    }
+  }
 
   async.waterfall([
     function loadCompiler (next) {