[dts] [PATCH V1 3/3] update case result write function

["xu,huilong" <huilongx.xu@intel.com>]

update case result write function, all same case only have one test result
if one time case test result passed, this result will passed and save in excel file.
if all times case test result failed, this resulr will failed and save in excel file.

Signed-off-by: xu,huilong <huilongx.xu@intel.com>
---
 framework/excel_reporter.py | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/framework/excel_reporter.py b/framework/excel_reporter.py
index 2030d87..aef50c6 100644
--- a/framework/excel_reporter.py
+++ b/framework/excel_reporter.py
@@ -142,9 +142,23 @@ class ExcelReporter(object):
 
         self.title_style = xlwt.XFStyle()
         self.title_style.font = title_font
-
-    def __write_result(self, dut, target, suite, case):
-        test_result = self.result.result_for(dut, target, suite, case)
+    
+    def __get_suite_result(self, dut, target, suite, case):
+        case_list = self.result.all_test_cases(dut, target, suite)
+        if case_list.count(case) > 1:
+            tmp_result = []
+            for case_name in case_list:
+                if case == case_name:
+                    test_result = self.result.result_for(dut, target, suite, case)
+                    if 'PASSED' in test_result:
+                        return ['PASSED', '']
+                    else:
+                        tmp_result.append(test_result)
+            return tmp_result[-1]
+        else:
+            return self.result.result_for(dut, target, suite, case)
+
+    def __write_result(self, dut, target, suite, case, test_result):
         if test_result is not None and len(test_result) > 0:
             result = test_result[0]
             if test_result[1] != '':
@@ -156,13 +170,14 @@ class ExcelReporter(object):
                     self.row, self.col + 1, result, self.failed_style)
 
     def __write_cases(self, dut, target, suite):
-        for case in self.result.all_test_cases(dut, target, suite):
+        for case in set(self.result.all_test_cases(dut, target, suite)):
+            result = self.__get_suite_result(dut, target, suite, case)
             self.col += 1
             if case[:5] == "test_":
                 self.sheet.write(self.row, self.col, case[5:])
             else:
                 self.sheet.write(self.row, self.col, case)
-            self.__write_result(dut, target, suite, case)
+            self.__write_result(dut, target, suite, case, result)
             self.row += 1
             self.col -= 1
 
-- 
1.9.3