refs #6: show testcase example

Signed-off-by: Eric Wang <skygragon@gmail.com>

Author: skygragon

lib/commands/show.js

@@ -1,6 +1,7 @@
 var _ = require('underscore');
 var chalk = require('chalk');
 var fs = require('fs');
+var util = require('util');
 
 var sprintf = require('sprintf-js').sprintf;
 
@@ -47,8 +48,13 @@ cmd.handler = function(argv) {
     console.log(sprintf('[%d] %s\t%s\n', problem.id, problem.name, msg));
     console.log(sprintf('%s\n', chalk.underline(problem.link)));
     console.log(sprintf('* %s (%.2f%%)', problem.level, problem.percent));
-    console.log(sprintf('* Total Accepted: %d', problem.totalAC));
-    console.log(sprintf('* Total Submissions: %d\n', problem.totalSubmit));
+    console.log(sprintf('* Total Accepted:    %d', problem.totalAC));
+    console.log(sprintf('* Total Submissions: %d', problem.totalSubmit));
+    if (problem.testcase) {
+      console.log(sprintf('* Testcase Example:  %s',
+            chalk.yellow(util.inspect(problem.testcase))));
+    }
+    console.log();
     console.log(problem.desc);
   });
 };

lib/leetcode_client.js

@@ -130,9 +130,10 @@ leetcodeClient.getProblem = function(problem, cb) {
       return cb('failed to load' + (problem.locked ? ' locked ' : ' ') +
                 'problem!');
 
-    raw = raw.replace(/\n/g, ''); // FIXME: might break test cases!
+    raw = raw.replace(/\n/g, '');
     var args = eval(raw);
     problem.templates = args[0];
+    problem.testcase = args[8];
 
     return cb(null, problem);
   });