src/sys/component_manager/tests/routing/meta/routing_integration_test.cml

// Realm for integration test that provisions an Echo client and service and eagerly runs the
// client.
{
    include: [
        "//sdk/lib/diagnostics/syslog/client.shard.cml",
        "//src/sys/test_runners/rust/default.shard.cml",
    ],
    program: {
        binary: "bin/routing_integration_test",
    },

    // Two children: a server and client. `echo_client` exposes the `Trigger` service which the
    // test will use to receive a message.
    children: [
        {
            name: "echo_server",
            url: "fuchsia-pkg://fuchsia.com/routing_integration_test#meta/echo_server.cm",
        },
        {
            name: "echo_client",
            url: "fuchsia-pkg://fuchsia.com/routing_integration_test#meta/trigger.cm",
        },
    ],
    use: [
        // Needed to bind to children
        {
            protocol: "fuchsia.sys2.Realm",
            from: "framework",
        },
    ],

    // Route Echo service from server to client.
    offer: [
        {
            protocol: "fidl.examples.routing.echo.Echo",
            from: "#echo_server",
            to: "#echo_client",
        },
    ],
}