[Findit] Filter inline function path frames

appengine/findit/crash/test/stacktrace_test.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from crash.callstack import CallStack
+from crash.callstack import StackFrame
 from crash.stacktrace import Stacktrace
 
-from testing_utils import testing
+from crash.test.stacktrace_test_suite import StacktraceTestSuite
 
 
-class StacktraceTest(testing.AppengineTestCase):
+class StacktraceTest(StacktraceTestSuite):
 
-  def testGetCrashStack(self):
-    stack_trace = Stacktrace()
-    self.assertEqual(stack_trace.GetCrashStack(), None)
+  def testCrashStackForStacktraceWithoutSignature(self):
+    frame_list1 = [
+        StackFrame(0, 'src/', '', 'func', 'file0.cc', [32])]
+
+    frame_list2 = [
+        StackFrame(0, 'src/', '', 'func2', 'file0.cc', [32])]
+
+    stacktrace = Stacktrace([CallStack(0, frame_list=frame_list1),
+                             CallStack(1, frame_list=frame_list2)])
+    expected_crash_stack = CallStack(0, frame_list=frame_list1)
+
+    self._VerifyTwoCallStacksEqual(stacktrace.crash_stack, expected_crash_stack)
+
+  def testFilterFramesBeforeSignatureForCrashStack(self):
+    frame_list1 = [
+        StackFrame(0, 'src/', '', 'func', 'file0.cc', [32]),
+    ]
+    callstack1 = CallStack(0, frame_list=frame_list1)
+
+    frame_list2 = [
+        StackFrame(0, 'src/', '', 'func', 'file0.cc', [32]),
+        StackFrame(1, 'src/', '', 'signature_func', 'file1.cc', [53]),
+        StackFrame(2, 'src/', '', 'funcc', 'file2.cc', [3])
+    ]
+    callstack2 = CallStack(0, frame_list=frame_list2)
+
+    stacktrace = Stacktrace([callstack1, callstack2], 'signature')
+
+    expected_frame_list = [
+        StackFrame(1, 'src/', '', 'signature_func', 'file1.cc', [53]),
+        StackFrame(2, 'src/', '', 'funcc', 'file2.cc', [3])]
+    expected_crash_stack = CallStack(0, frame_list=expected_frame_list)
+
+    self._VerifyTwoCallStacksEqual(stacktrace.crash_stack,
+                                   expected_crash_stack)
+
+  def testNoSignatureMatchForCrashStack(self):
+    frame_list = [
+        StackFrame(0, 'src/', '', 'func', 'file0.cc', [32]),
+    ]
+    callstack = CallStack(0, frame_list=frame_list)
+
+    stacktrace = Stacktrace([callstack], 'signature')
+
+    expected_frame_list = frame_list
+    expected_crash_stack = CallStack(0, frame_list=expected_frame_list)
+
+    self._VerifyTwoCallStacksEqual(stacktrace.crash_stack,
+                                   expected_crash_stack)
+
+  def testCrashStackFallBackToFirstLeastPriorityCallStack(self):
+    stacktrace = Stacktrace()
+    self.assertEqual(stacktrace.crash_stack, None)
 
     callstack_list = [CallStack(0), CallStack(1)]
-    stack_trace.extend(callstack_list)
+    stacktrace.extend(callstack_list)
 
-    self.assertEqual(stack_trace.GetCrashStack(), callstack_list[0])
+    self.assertEqual(stacktrace.crash_stack, callstack_list[0])