add: auth test module

internal/auth_test.go

@@ -0,0 +1,39 @@
+package internal
+
+import "testing"
+
+func TestEmptyAuth(t *testing.T) {
+	a := auth{
+		username: " ",
+		password: " ",
+	}
+
+	valid := ""
+	invalid := "take:me"
+
+	if !a.authenticate(valid) {
+		t.Error("failed to check empty token")
+	}
+
+	if !a.authenticate(invalid) {
+		t.Error("failed to check free token")
+	}
+}
+
+func TestAuth(t *testing.T) {
+	a := auth{
+		username: "root",
+		password: "password",
+	}
+
+	valid := "root:password"
+	invalid := "take:me"
+
+	if !a.authenticate(valid) {
+		t.Error("failed to check true token")
+	}
+
+	if a.authenticate(invalid) {
+		t.Error("failed to check free token")
+	}
+}