test: test snake2camel

Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>

tools/snake2camel/snake2camel_test.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestSnake2CamelNoReplace(t *testing.T) {
+	txt := `const start int = 1`
+
+	exp := `const start int = 1`
+
+	got := snake2camel([]byte(txt))
+	if string(got) != exp {
+		fmt.Printf("expected length: %d, got %d\n", len(exp), len(got))
+		t.Fatalf("expected:\n%s\ngot:\n%s", exp, got)
+	}
+}
+
+func TestSnake2CamelOneUnderscore(t *testing.T) {
+	txt := `const en_urn int = 5
+	const en_scim int = 44
+	const en_fail int = 81
+	const en_main int = 1`
+
+	exp := `const enUrn int = 5
+	const enScim int = 44
+	const enFail int = 81
+	const enMain int = 1`
+
+	got := snake2camel([]byte(txt))
+	if string(got) != exp {
+		fmt.Printf("expected length: %d, got %d\n", len(exp), len(got))
+		t.Fatalf("expected:\n%s\ngot:\n%s", exp, got)
+	}
+}
+
+func TestSnake2CamelMoreUnderscores(t *testing.T) {
+	txt := `if (m.p) == (m.pe) {
+		goto _test_eof
+	}
+	switch m.cs {
+	case 1:
+		goto st_case_1
+	}`
+
+	exp := `if (m.p) == (m.pe) {
+		goto _testEof
+	}
+	switch m.cs {
+	case 1:
+		goto stCase1
+	}`
+
+	got := snake2camel([]byte(txt))
+	if string(got) != exp {
+		fmt.Printf("expected length: %d, got %d\n", len(exp), len(got))
+		t.Fatalf("expected:\n%s\ngot:\n%s", exp, got)
+	}
+}