src/storage/lib/trace/BUILD.gn

# Copyright 2024 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/components.gni")
import("//build/rust/rustc_library.gni")

declare_args() {
  # Whether or not tracing is enabled for storage.
  storage_enable_tracing = false
}

template("storage_trace") {
  rustc_library(target_name) {
    name = invoker.name
    edition = "2021"
    sources = [ "src/lib.rs" ]
    visibility = invoker.visibility
    with_unit_tests = true
    test_deps = [ "//src/lib/fuchsia" ]
    testonly = invoker.testonly

    if (invoker.enable_tracing) {
      deps = [ "//src/lib/trace/rust:trace" ]
      features = [ "tracing" ]
      sources += [ "src/fuchsia.rs" ]
    } else {
      sources += [ "src/noop.rs" ]
    }
  }
}

storage_trace("trace") {
  name = "storage_trace"
  enable_tracing = is_fuchsia && storage_enable_tracing
  visibility = [ "//src/storage/*" ]
  testonly = false
}

storage_trace("trace-enabled") {
  name = "storage_trace_enabled"
  enable_tracing = true
  visibility = [ ":*" ]
  testonly = true
}

storage_trace("trace-disabled") {
  name = "storage_trace_disabled"
  enable_tracing = false
  visibility = [ ":*" ]
  testonly = true
}

fuchsia_unittest_component("storage-trace-enabled-tests") {
  deps = [ ":trace-enabled_test" ]
}

fuchsia_unittest_component("storage-trace-disabled-tests") {
  deps = [ ":trace-disabled_test" ]
}

fuchsia_test_package("storage-trace-tests") {
  test_components = [
    ":storage-trace-enabled-tests",
    ":storage-trace-disabled-tests",
  ]
}

group("tests") {
  testonly = true
  deps = [
    ":storage-trace-tests",
    ":trace_test($host_toolchain)",
  ]
}