Method assert_query_fails

graphlite/tests/testutils/cli_fixture.rs:110–143

Execute query via CLI and expect failure

(&self, query: &str)

    /// Execute query via CLI and expect failure
    pub fn assert_query_fails(&self, query: &str) -> String {
        let output = Command::new("cargo")
            .args([
                "run",
                "--quiet",
                "--package",
                "gql-cli",
                "--bin",
                "graphlite",
                "--",
                "query",
            ])
            .arg("--path")
            .arg(&self.db_path)
            .arg("--user")
            .arg(&self.admin_user)
            .arg("--password")
            .arg(&self.admin_password)
            .arg("--format")
            .arg("json")
            .arg(query)
            .env("RUST_LOG", "error") // Suppress INFO logs in CLI output
            .output()
            .expect("Failed to execute query");

        // Query should fail
        assert!(
            !output.status.success(),
            "Expected query to fail but it succeeded: {}",
            query
        );

        String::from_utf8_lossy(&output.stderr).to_string()
    }

    /// Get unique schema name for test isolation
    pub fn schema_name(&self) -> String {