Fixing Swiss tax ID issue

invopop · May 30, 2024 · a1203fb · a1203fb
1 parent ad6ca21
commit a1203fb
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Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/regimes/ch/tax_identity.go b/regimes/ch/tax_identity.go
@@ -84,6 +84,9 @@ func commercialCheck(val string) error {
 	if total == 10 {
 		return errors.New("invalid code")
 	}
+	if total == 11 {
+		total = 0
+	}
 
 	lastNum := int(val[9] - '0')
 	if lastNum != int(total) {

diff --git a/regimes/ch/tax_identity_test.go b/regimes/ch/tax_identity_test.go
@@ -57,9 +57,12 @@ func TestValidateTaxIdentity(t *testing.T) {
 		{name: "good 1", code: "E100416306"},
 		{name: "good 2", code: "E284156502"},
 		{name: "good 3", code: "E432825998"},
+		{name: "good 4", code: "E115400550"},
+		{name: "good 5", code: "E424414541"},
+		{name: "good 6", code: "E123456788"},
 		{
 			name: "zeros",
-			code: "E000000000",
+			code: "E000000001",
 			err:  "checksum mismatch",
 		},
 		{
@@ -84,9 +87,14 @@ func TestValidateTaxIdentity(t *testing.T) {
 		},
 		{
 			name: "bad checksum",
-			code: "E116276850",
+			code: "E116276851",
 			err:  "checksum mismatch",
 		},
+		{
+			name: "invalid code",
+			code: "E100426306",
+			err:  "invalid code",
+		},
 	}
 
 	for _, tt := range tests {