fix: fix errors suffix detection (#125)

Author: ginokent

errors/fmt.go

@@ -56,11 +56,11 @@ func newErrorf(c *errorfConfig) func(format string, a ...interface{}) error {
 			suffixW      = ": %w"
 		)
 		var (
-			hasSuffixS      = strings.Contains(format, suffixS)
-			hasSuffixV      = strings.Contains(format, suffixV)
-			hasSuffixPlusV  = strings.Contains(format, suffixPlusV)
-			hasSuffixSharpV = strings.Contains(format, suffixSharpV)
-			hasSuffixW      = strings.Contains(format, suffixW)
+			hasSuffixS      = strings.HasSuffix(format, suffixS)
+			hasSuffixV      = strings.HasSuffix(format, suffixV)
+			hasSuffixPlusV  = strings.HasSuffix(format, suffixPlusV)
+			hasSuffixSharpV = strings.HasSuffix(format, suffixSharpV)
+			hasSuffixW      = strings.HasSuffix(format, suffixW)
 		)
 
 		if !hasSuffixS && !hasSuffixV && !hasSuffixPlusV && !hasSuffixSharpV && !hasSuffixW {

errors/fmt_test.go

@@ -196,6 +196,14 @@ func TestErrorf(t *testing.T) {
 		}
 		t.Logf("ℹ️: [%s]:\nError():\n%s\n", t.Name(), actual.Error())
 	})
+
+	t.Run("success,SuffixDetectionLogic", func(t *testing.T) {
+		actual := Errorf("%s %s: %w", "my", "test", io.ErrUnexpectedEOF)
+		expect := io.ErrUnexpectedEOF
+		if !errors.Is(actual, io.ErrUnexpectedEOF) {
+			t.Errorf("❌: [%s]: [%%s]:\n[EXPECT]:\n%v\n[ACTUAL]:\n%v\n", t.Name(), expect, actual)
+		}
+	})
 }
 
 func Test_wrapError_FormatError(t *testing.T) {