Deduplicate fuzz cases on the frontend before they are displayed.

fuzzer/go/frontend/data/report_test.go

Index: fuzzer/go/frontend/data/report_test.go
diff --git a/fuzzer/go/frontend/data/report_test.go b/fuzzer/go/frontend/data/report_test.go
index c0f2f4f489f06752d4636c0770b205af65a1174a..6159812f8ca6be3e7eb7408663e1e3b3d9da17b7 100644
--- a/fuzzer/go/frontend/data/report_test.go
+++ b/fuzzer/go/frontend/data/report_test.go
@@ -13,7 +13,7 @@ func TestSortedFuzzReports(t *testing.T) {
 		"ffff"}
 
 	for _, key := range addingOrder {
-		a = a.append(mockPictureDetails[key])
+		a = a.append(MockReport("skpicture", key))
 	}
 
 	b := make(SortedFuzzReports, 0, 5)
@@ -22,7 +22,7 @@ func TestSortedFuzzReports(t *testing.T) {
 
 	for _, key := range sortedOrder {
 		// just add them in already sorted order
-		b = append(b, mockPictureDetails[key])
+		b = append(b, MockReport("skpicture", key))
 	}
 	if !reflect.DeepEqual(a, b) {
 		t.Errorf("Expected: %#v\n, but was: %#v", a, b)
@@ -49,112 +49,28 @@ func loadReports() *treeReportBuilder {
 
 	builder := newBuilder()
 	for _, key := range addingOrder {
-		builder.addFuzzReport("skpicture", mockPictureDetails[key])
+		builder.addFuzzReport("skpicture", MockReport("skpicture", key))
 	}
 	addingOrder = []string{"iiii", "hhhh"}
 	for _, key := range addingOrder {
-		builder.addFuzzReport("api", mockAPIDetails[key])
+		builder.addFuzzReport("api", MockReport("api", key))
 	}
 	return builder
 }
 
-func makeStacktrace(file, function string, line int) StackTrace {
-	return StackTrace{
-		Frames: []StackTraceFrame{
-			{
-				PackageName:  "mock/package/",
-				FileName:     file,
-				LineNumber:   line,
-				FunctionName: function,
-			},
-		},
-	}
-}
-
-var mockFlags = []string{"foo", "bar"}
-
-var mockPictureDetails = map[string]FuzzReport{
-	"aaaa": FuzzReport{
-		DebugStackTrace:   makeStacktrace("alpha", "beta", 16),
-		ReleaseStackTrace: makeStacktrace("alpha", "beta", 16),
-		DebugFlags:        mockFlags,
-		FuzzName:          "aaaa",
-		FuzzCategory:      "skpicture",
-	},
-	"bbbb": FuzzReport{
-		DebugStackTrace:   makeStacktrace("alpha", "beta", 16),
-		ReleaseStackTrace: StackTrace{},
-		DebugFlags:        mockFlags,
-		FuzzName:          "bbbb",
-		FuzzCategory:      "skpicture",
-	},
-	"cccc": FuzzReport{
-		DebugStackTrace:   makeStacktrace("alpha", "beta", 16),
-		ReleaseStackTrace: makeStacktrace("alpha", "gamma", 26),
-		DebugFlags:        mockFlags,
-		FuzzName:          "cccc",
-		FuzzCategory:      "skpicture",
-	},
-	"dddd": FuzzReport{
-		DebugStackTrace:   makeStacktrace("alpha", "gamma", 43),
-		ReleaseStackTrace: makeStacktrace("delta", "epsilon", 125),
-		DebugFlags:        mockFlags,
-		FuzzName:          "dddd",
-		FuzzCategory:      "skpicture",
-	},
-	"eeee": FuzzReport{
-		DebugStackTrace:   StackTrace{},
-		ReleaseStackTrace: StackTrace{},
-		DebugFlags:        mockFlags,
-		FuzzName:          "eeee",
-		FuzzCategory:      "skpicture",
-	},
-	"ffff": FuzzReport{
-		DebugStackTrace:   makeStacktrace("alpha", "beta", 16),
-		ReleaseStackTrace: makeStacktrace("alpha", "beta", 16),
-		DebugFlags:        mockFlags,
-		FuzzName:          "ffff",
-		FuzzCategory:      "skpicture",
-	},
-	"gggg": FuzzReport{
-		DebugStackTrace:   makeStacktrace("delta", "epsilon", 122),
-		ReleaseStackTrace: StackTrace{},
-		DebugFlags:        mockFlags,
-		FuzzName:          "gggg",
-		FuzzCategory:      "skpicture",
-	},
-}
-
-var mockAPIDetails = map[string]FuzzReport{
-	"hhhh": FuzzReport{
-		DebugStackTrace:   makeStacktrace("alpha", "beta", 16),
-		ReleaseStackTrace: makeStacktrace("alpha", "beta", 16),
-		DebugFlags:        mockFlags,
-		FuzzName:          "hhhh",
-		FuzzCategory:      "api",
-	},
-	"iiii": FuzzReport{
-		DebugStackTrace:   makeStacktrace("alpha", "beta", 16),
-		ReleaseStackTrace: StackTrace{},
-		DebugFlags:        mockFlags,
-		FuzzName:          "iiii",
-		FuzzCategory:      "api",
-	},
-}
-
 var expectedPictureTree = FuzzReportTree{
 	FileFuzzReport{
 		FileName: "mock/package/alpha", Count: 4, Functions: []FunctionFuzzReport{
 			FunctionFuzzReport{
 				FunctionName: "beta", Count: 3, LineNumbers: []LineFuzzReport{
 					LineFuzzReport{
-						LineNumber: 16, Count: 3, Details: []FuzzReport{mockPictureDetails["aaaa"], mockPictureDetails["bbbb"], mockPictureDetails["ffff"]},
+						LineNumber: 16, Count: 3, Details: []FuzzReport{MockReport("skpicture", "aaaa"), MockReport("skpicture", "bbbb"), MockReport("skpicture", "ffff")},
 					},
 				},
 			}, FunctionFuzzReport{
 				FunctionName: "gamma", Count: 1, LineNumbers: []LineFuzzReport{
 					LineFuzzReport{
-						LineNumber: 26, Count: 1, Details: []FuzzReport{mockPictureDetails["cccc"]},
+						LineNumber: 26, Count: 1, Details: []FuzzReport{MockReport("skpicture", "cccc")},
 					},
 				},
 			},
@@ -165,10 +81,10 @@ var expectedPictureTree = FuzzReportTree{
 			FunctionFuzzReport{
 				FunctionName: "epsilon", Count: 2, LineNumbers: []LineFuzzReport{
 					LineFuzzReport{
-						LineNumber: 122, Count: 1, Details: []FuzzReport{mockPictureDetails["gggg"]},
+						LineNumber: 122, Count: 1, Details: []FuzzReport{MockReport("skpicture", "gggg")},
 					},
 					LineFuzzReport{
-						LineNumber: 125, Count: 1, Details: []FuzzReport{mockPictureDetails["dddd"]},
+						LineNumber: 125, Count: 1, Details: []FuzzReport{MockReport("skpicture", "dddd")},
 					},
 				},
 			},
@@ -179,7 +95,7 @@ var expectedPictureTree = FuzzReportTree{
 			FunctionFuzzReport{
 				FunctionName: common.UNKNOWN_FUNCTION, Count: 1, LineNumbers: []LineFuzzReport{
 					LineFuzzReport{
-						LineNumber: -1, Count: 1, Details: []FuzzReport{mockPictureDetails["eeee"]},
+						LineNumber: -1, Count: 1, Details: []FuzzReport{MockReport("skpicture", "eeee")},
 					},
 				},
 			},
@@ -238,7 +154,7 @@ var expectedAPITree = FuzzReportTree{
 			FunctionFuzzReport{
 				FunctionName: "beta", Count: 2, LineNumbers: []LineFuzzReport{
 					LineFuzzReport{
-						LineNumber: 16, Count: 2, Details: []FuzzReport{mockAPIDetails["hhhh"], mockAPIDetails["iiii"]},
+						LineNumber: 16, Count: 2, Details: []FuzzReport{MockReport("api", "hhhh"), MockReport("api", "iiii")},
 					},
 				},
 			},