From eefabeccec90813d23a7df1345ed7b275eedd47d Mon Sep 17 00:00:00 2001
From: Levente Batuska <mr.levente97@gmail.com>
Date: Sun, 13 Oct 2024 21:31:37 +0200
Subject: [PATCH] feat: add assert utils

---
 assert/assert.go | 86 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 assert/assert.go

diff --git a/assert/assert.go b/assert/assert.go
new file mode 100644
index 0000000..3192165
--- /dev/null
+++ b/assert/assert.go
@@ -0,0 +1,86 @@
+package assert
+
+import (
+	"fmt"
+	"path/filepath"
+	"runtime"
+	"strings"
+)
+
+const (
+	colorRed   = "\033[0;31m"
+	colorNone  = "\033[0m"
+	colorGreen = "\033[32m"
+)
+
+func file_func_line() (string, string, int) {
+	pc, f, l, _ := runtime.Caller(2)
+	fn := runtime.FuncForPC(pc).Name()
+	f = filepath.Base(f)
+	fn = fn[strings.LastIndex(fn, "/")+1:]
+	return f, fn, l
+}
+
+func NotNil[T any](v *T) {
+	if v == nil {
+		f, fn, l := file_func_line()
+		panic(fmt.Sprintf("%sValue should not be nil!%s %s/%s():%d => [%T](%+v)%s",
+			colorRed, colorGreen, f, fn, l, v, v, colorNone))
+	}
+}
+
+func Nil[T any](v *T) {
+	if v != nil {
+		f, fn, l := file_func_line()
+		panic(fmt.Sprintf("%sValue should be nil!%s %s/%s():%d => [%T](%+v)%s",
+			colorRed, colorGreen, f, fn, l, v, v, colorNone))
+	}
+}
+
+func Assert(v bool) {
+	if !v {
+		f, fn, l := file_func_line()
+		panic(fmt.Sprintf("%sAssert (true) failed%s %s/%s():%d%s",
+			colorRed, colorGreen, f, fn, l, colorNone))
+	}
+}
+
+func True(v bool) {
+	if !v {
+		f, fn, l := file_func_line()
+		panic(fmt.Sprintf("%sAssert (true) failed%s %s/%s():%d%s",
+			colorRed, colorGreen, f, fn, l, colorNone))
+	}
+}
+
+func AssertNot(v bool) {
+	if v {
+		f, fn, l := file_func_line()
+		panic(fmt.Sprintf("%sAssert (false) failed%s %s/%s():%d%s",
+			colorRed, colorGreen, f, fn, l, colorNone))
+	}
+}
+
+func False(v bool) {
+	if v {
+		f, fn, l := file_func_line()
+		panic(fmt.Sprintf("%sAssert (false) failed%s %s/%s():%d%s",
+			colorRed, colorGreen, f, fn, l, colorNone))
+	}
+}
+
+func Equal[T comparable](v, v2 T) {
+	if v != v2 {
+		f, fn, l := file_func_line()
+		panic(fmt.Sprintf("%sAssert equals failed%s %s/%s():%d [%T](%+v) != [%T](%+v)%s",
+			colorRed, colorGreen, f, fn, l, v, v, v2, v2, colorNone))
+	}
+}
+
+func NotEqual[T comparable](v, v2 T) {
+	if v == v2 {
+		f, fn, l := file_func_line()
+		panic(fmt.Sprintf("%sAssert not equals failed%s %s/%s():%d [%T](%+v) == [%T](%+v)%s",
+			colorRed, colorGreen, f, fn, l, v, v, v2, v2, colorNone))
+	}
+}