Compile if solidity is fixed version, fixes #1011

remix-tests/src/compiler.js

@@ -26,12 +26,12 @@ function compileFileOrFiles (filename, isDirectory, cb) {
   filepath = (isDirectory ? filename : path.dirname(filename))
 
   fs.readdirSync(filepath).forEach(file => {
-    // only process .sol files
-    if (file.split('.').pop() === 'sol') {
+    // only process .sol files named *_test.sol
+    if (/_test.sol$/.test(file)) {
       let c = fs.readFileSync(path.join(filepath, file)).toString()
       const s = /^(import)\s['"](remix_tests.sol|tests.sol)['"];/gm
-      if (file.indexOf('_test.sol') > 0 && c.regexIndexOf(s) < 0) {
-        c = c.replace(/(pragma solidity \^\d+\.\d+\.\d+;)/, '$1\nimport \'remix_tests.sol\';')
+      if (!s.test(c)) {
+        c = c.replace(/(pragma solidity \^?\d+\.\d+\.\d+;)/, '$1\nimport \'remix_tests.sol\';')
       }
       sources[file] = { content: c }
     }