Added comparison function

compartison_test.go

@@ -0,0 +1,195 @@
+package main
+
+import (
+    "fmt"
+    "testing"
+    "strings"
+    "hash/fnv"
+)
+
+const test1A = `java.lang.ArrayIndexOutOfBoundsException: length=366; index=-1
+at java.util.ArrayList.get(ArrayList.java:439)
+at
+com.amaze.filemanager.adapters.RecyclerAdapter.toggleChecked(RecyclerAdapter.java:179)
+at
+com.amaze.filemanager.ui.fragments.MainFragment.onListItemClicked(MainFragment.java:799)
+at
+com.amaze.filemanager.adapters.RecyclerAdapter.lambda$onBindViewHolder$0(RecyclerAdapter.java:552)
+at
+com.amaze.filemanager.adapters.RecyclerAdapter.lambda$onBindViewHolder$0$RecyclerAdapter(Unknown
+Source:0)
+at
+com.amaze.filemanager.adapters.-$$Lambda$RecyclerAdapter$FDaxlO2LtK_Q0Z-YEozjkaXX_T8.onClick(Unknown
+Source:11)
+at android.view.View.performClick(View.java:6748)
+at android.view.View$PerformClick.run(View.java:25458)
+at android.os.Handler.handleCallback(Handler.java:790)
+at android.os.Handler.dispatchMessage(Handler.java:99)
+at android.os.Looper.loop(Looper.java:164)
+at android.app.ActivityThread.main(ActivityThread.java:6549)
+at java.lang.reflect.Method.invoke(Native Method)
+at
+com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
+at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:888)`
+
+const test1B = `java.lang.ArrayIndexOutOfBoundsException: length=22; index=-1
+at java.util.ArrayList.get(ArrayList.java:439)
+at com.amaze.filemanager.adapters.RecyclerAdapter.toggleChecked(RecyclerAdapter.java:179)
+at com.amaze.filemanager.ui.fragments.MainFragment.onListItemClicked(MainFragment.java:799)
+at com.amaze.filemanager.adapters.RecyclerAdapter.lambda$onBindViewHolder$0(RecyclerAdapter.java:552)
+at com.amaze.filemanager.adapters.RecyclerAdapter.lambda$onBindViewHolder$0$RecyclerAdapter(Unknown Source:0)
+at com.amaze.filemanager.adapters.-$$Lambda$RecyclerAdapter$FDaxlO2LtK_Q0Z-YEozjkaXX_T8.onClick(Unknown Source:11)
+at android.view.View.performClick(View.java:6294)
+at android.view.View$PerformClick.run(View.java:24774)
+at android.os.Handler.handleCallback(Handler.java:790)
+at android.os.Handler.dispatchMessage(Handler.java:99)
+at android.os.Looper.loop(Looper.java:164)
+at android.app.ActivityThread.main(ActivityThread.java:6518)
+at java.lang.reflect.Method.invoke(Native Method)
+at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
+at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)`
+
+/*
+https://stackoverflow.com/a/37335777/3124150
+*/
+func remove(slice []string, s int) []string {
+    return append(slice[:s], slice[s+1:]...)
+}
+
+/*
+https://stackoverflow.com/a/56129336/3124150
+*/
+// NOTE: this isn't multi-Unicode-codepoint aware, like specifying skintone or
+//       gender of an emoji: https://unicode.org/emoji/charts/full-emoji-modifiers.html
+func substr(input string, start int, length int) string {
+    asRunes := []rune(input)
+
+    if start >= len(asRunes) {
+        return ""
+    }
+
+    if start+length > len(asRunes) {
+        length = len(asRunes) - start
+    }
+
+    return string(asRunes[start : start+length])
+}
+
+/*
+https://stackoverflow.com/a/13582881/3124150
+*/
+func hash(s string) uint32 {//TODO check hash function
+	h := fnv.New32a()
+	h.Write([]byte(s))
+	return h.Sum32()
+}
+
+
+func logsDistance(a string, b string) bool {
+	a = strings.ReplaceAll(a, "\\n", "\n")
+	b = strings.ReplaceAll(b, "\\n", "\n")
+
+
+	a = strings.ReplaceAll(a, "\n", "")
+	b = strings.ReplaceAll(b, "\n", "")
+
+
+	if !strings.Contains(a, "com.amaze.filemanager") && 
+		!strings.Contains(b, "com.amaze.filemanager") {
+		return false //probably cant be fixed and checking if two issues are the same is complicated
+	}
+
+
+	if strings.Contains(a, "com.amaze.filemanager") != strings.Contains(b, "com.amaze.filemanager") {
+		return false
+	}
+
+
+	splitA := strings.Split(a, "at")
+	splitB := strings.Split(b, "at")
+
+
+	for i := 0; i < len(splitA); i++ {
+		if !strings.Contains(splitA[i], "com.amaze.filemanager") {
+			splitA = remove(splitA, i)
+			i--
+		}
+	}
+
+	for i := 0; i < len(splitB); i++ {
+		if !strings.Contains(splitB[i], "com.amaze.filemanager") {
+			splitB = remove(splitB, i)
+			i--
+		}
+	}
+
+
+	for i := 0; i < len(splitA); i++ {
+		if strings.Contains(splitA[i], "$") {
+			splitA = remove(splitA, i)
+			i--
+		}
+	}
+
+	for i := 0; i < len(splitB); i++ {
+		if strings.Contains(splitB[i], "$") {
+			splitB = remove(splitB, i)
+			i--
+		}
+	}
+
+
+	if len(splitA) != len(splitB) {
+		return false
+	}
+
+
+	equal := true
+	for i := 0; i < len(splitA); i++ {
+		startIndexA := strings.Index(splitA[i], "com")
+		endIndexA := strings.Index(splitA[i], ":")
+		startIndexB := strings.Index(splitB[i], "com")
+		endIndexB := strings.Index(splitB[i], ":")
+
+
+		if !(startIndexA == startIndexB && endIndexA == endIndexB) {
+			equal = equal || false
+			break
+		}
+
+		fmt.Sprintf("%s", splitA[i])
+		fmt.Sprintf("%s", splitB[i])
+
+		//Used hash here so this function is easily converted to hash of a single string
+		hashA := hash(substr(splitA[i], startIndexA, endIndexA-startIndexA))
+		hashB := hash(substr(splitB[i], startIndexB, endIndexB-startIndexB))
+
+		if hashA != hashB {
+			equal = equal || false
+			break
+		}
+	}
+
+
+	return equal
+}
+
+func TestComparator(t *testing.T) {
+    var tests = []struct {
+        a, b string
+        want bool
+    }{
+        {test1A, test1B, true},
+    }
+
+    for _, tt := range tests {
+
+        testname := fmt.Sprintf("%s,%s", tt.a, tt.b)
+        t.Run(testname, func(t *testing.T) {
+            ans := logsDistance(tt.a, tt.b)
+            if ans != tt.want {
+                t.Errorf("got %t, want %t", ans, tt.want)
+            }
+        })
+    }
+}

go.mod

@@ -0,0 +1,3 @@
+module example.com/m/v2
+
+go 1.16