From c143f62b25f0ebf5b5512e54b9f78a2b06053800 Mon Sep 17 00:00:00 2001
From: Matt Guthaus <mrg@ucsc.edu>
Date: Thu, 17 Nov 2016 16:59:22 -0800
Subject: [PATCH] Forgot to add testutils.py

---
 compiler/router/tests/testutils.py | 43 ++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 compiler/router/tests/testutils.py

diff --git a/compiler/router/tests/testutils.py b/compiler/router/tests/testutils.py
new file mode 100644
index 00000000..7b8e2cc6
--- /dev/null
+++ b/compiler/router/tests/testutils.py
@@ -0,0 +1,43 @@
+
+
+def isclose(value1,value2,error_tolerance=1e-2):
+    """ This is used to compare relative values. """
+    import debug
+    relative_diff = abs(value1 - value2) / max(value1,value2)
+    check = relative_diff <= error_tolerance
+    if not check:
+        debug.info(1,"NOT CLOSE {0} {1} relative diff={2}".format(value1,value2,relative_diff))
+    else:
+        debug.info(2,"CLOSE {0} {1} relative diff={2}".format(value1,value2,relative_diff))
+    return (check)
+
+def isdiff(file1,file2):
+    """ This is used to compare two files and display the diff if they are different.. """
+    import debug
+    import filecmp
+    import difflib
+    check = filecmp.cmp(file1,file2)
+    if not check:
+        debug.info(2,"MISMATCH {0} {1}".format(file1,file2))
+        f1 = open(file1,"r")
+        s1 = f1.readlines()
+        f2 = open(file2,"r")
+        s2 = f2.readlines()
+        for line in difflib.unified_diff(s1, s2):
+            debug.error(line)   
+    else:
+        debug.info(2,"MATCH {0} {1}".format(file1,file2))
+    return (check)
+
+def header(filename, technology):
+    tst = "Running Test for:"
+    print "\n"
+    print " ______________________________________________________________________________ "
+    print "|==============================================================================|"
+    print "|=========" + tst.center(60) + "=========|"
+    print "|=========" + technology.center(60) + "=========|"
+    print "|=========" + filename.center(60) + "=========|"
+    import globals
+    OPTS = globals.get_opts()
+    print "|=========" + OPTS.openram_temp.center(60) + "=========|"
+    print "|==============================================================================|"