Add tests for validation package

validation/rules.go

@@ -86,7 +86,7 @@ var FormatRules = map[string]rule{
 	"qr": {
 		minLength: 1,
 		maxLength: 4296,
-		charset:   *ISO88591,
+		charset:   *ANY,
 		divisible: 1,
 	},
 }

validation/validate_test.go

@@ -0,0 +1,77 @@
+package validation
+
+import (
+	"fmt"
+	"testing"
+
+	"git.fjla.uk/fred.boniface/barcodes/generation"
+)
+
+const unicodeString string = "Hello, 你好, नमस्ते, こんにちは, 😃🌍🚀🎉~!@#$%^&*()_+-=[]{}|;:'\",.<>?/\\±§©µ¿¡®¬°¹²³½¾¼×÷≤≥∞∑∫√∂∆∏∃∀Ω≈≠¬≡≣∀∂∃Ω℧℁ℝℂℍℤℚ"
+const asciiString string = "!7^%&3#(1@!9)6*8_:;4<~2`5-+0|{/.,?]'\"~"
+
+func TestValidation(t *testing.T) {
+	testCases := []struct {
+		input    generation.Parameters
+		expected bool
+	}{
+		{
+			input: generation.Parameters{
+				Format:   "aztec",
+				ECCLevel: 4,
+				Content:  unicodeString,
+			},
+			expected: true,
+		},
+		{
+			input: generation.Parameters{
+				Format:   "codabar",
+				ECCLevel: 4,
+				Content:  "ABCD",
+			},
+			expected: false,
+		},
+		{
+			input: generation.Parameters{
+				Format:   "codabar",
+				ECCLevel: 4,
+				Content:  "2342-943$",
+			},
+			expected: true,
+		},
+		{
+			input: generation.Parameters{
+				Format:   "datamatrix",
+				ECCLevel: 4,
+				Content:  unicodeString,
+			},
+			expected: true,
+		},
+		{
+			input: generation.Parameters{
+				Format:   "qr",
+				ECCLevel: 4,
+				Content:  unicodeString,
+			},
+			expected: true,
+		},
+		{
+			input: generation.Parameters{
+				Format:   "code39",
+				ECCLevel: 4,
+				Content:  asciiString,
+			},
+			expected: true,
+		},
+	}
+
+	for _, testCase := range testCases {
+		result := Validate(testCase.input)
+
+		if result != testCase.expected {
+			inputStr := fmt.Sprintf("%+v", testCase.input) // Convert struct to string representation
+
+			t.Errorf("Input: \n%s\n\nExpected: %t\n\n Got: %t", inputStr, testCase.expected, result)
+		}
+	}
+}