Added frubi's test case

Author: kstrauser

test/cases/SystemParameter.json

@@ -0,0 +1,6 @@
+{
+    "cmd_args": ["-s", "UTF-16LE", "-R", "data/SystemParameter.dbf"],
+    "head": "BEGIN;\nSET statement_timeout=60000; DROP TABLE IF EXISTS systemparameter; SET statement_timeout=0;\nCREATE TABLE systemparameter (paraname VARCHAR(64), paravalue VARCHAR(64));\n\\COPY systemparameter FROM STDIN\nModelVersion\t6\nVersionIncrement\t1\nProductVersion\tXXXXXXXX\nExporterVersion\tXXXXXXX-XXXXXXXX-XXXXXX\nExportTimestamp\t11/11/2015 10:33:15\nUserName\tppadmin\nDBUsername\tppadmin\nDBName\tXXXXXXXXXXXX\nHostName\tXXXXXXXX\nGDMBaseVersion\tXXXXXXXX\nExportMode\t1FileProKnoten\nExportNr\t5012\nExportKurzBez\tXXXX\nExportLangBez\tXXXXXXXXXXXXXXXXXXXXXX\n\\.\nCOMMIT;\n",
+    "length": 547,
+    "md5": "02d6082e6de64420bf46e3a972c7a954"
+}

test/cases/data/SystemParameter.dbf

@@ -31,8 +31,8 @@ def check_head(expected):
             raise ValueError({'error': 'short read', 'expected': length, 'actual': len(body)})
         body += data
         if len(body) >= length:
-            actual = body[:length]
-            if expected != actual.decode():
+            actual = body[:length].decode()
+            if expected != actual:
                 raise TestError('unequal head', expected, actual)
             LOGGER.info('passed the header check')
             break
@@ -138,7 +138,9 @@ def run_test(pgdbf_path, config):
     if not isinstance(args, list):
         args = [args]
 
-    command = Popen([pgdbf_path] + args, stdout=PIPE, stderr=STDOUT)
+    args.insert(0, pgdbf_path)
+    LOGGER.debug('running %s', args)
+    command = Popen(args, stdout=PIPE, stderr=STDOUT)
     while True:
         chunk = command.stdout.read(128 * 1024)
         if not chunk: