src/storage/lib/trace/BUILD.bazel

# Copyright 2026 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.

load("//build/bazel/platforms:constraints.bzl", "HOST_OS_CONSTRAINTS")
load("//build/bazel/rules/cc:fx_cc_library.bzl", "fx_cc_library")
load("//build/bazel/rules/cc:fx_cc_test_binary.bzl", "fx_cc_test_binary")
load("//build/bazel/rules/host_tests:host_rustc_test.bzl", "host_rustc_test")
load("//build/bazel/rules/host_tests:host_test.bzl", "host_test")
load("//build/bazel/rules/packages:fx_package.bzl", "fx_package")
load("//build/bazel/rules/rust:rustc_library.bzl", "rustc_library")
load("//build/bazel/rules/rust:rustc_test.bzl", "rustc_test")
load("//build/bazel/rules/testing:fx_test.bzl", "fx_test")
load("//build/bazel/rules/testing:fx_unittest_component.bzl", "fx_unittest_component")

package(default_applicable_licenses = ["//:license"])

test_suite(
    name = "tests",
    tests = [":storage_trace_tests"],
    visibility = ["//src/storage:__pkg__"],
)

test_suite(
    name = "host_tests",
    tests = [
        ":storage_trace_cpp_host_test",
        ":storage_trace_host_test",
    ],
    visibility = ["//src/storage:__pkg__"],
)

rustc_library(
    name = "trace",
    srcs = ["src/lib.rs"] + select({
        "@platforms//os:fuchsia": [],
        "//conditions:default": ["src/noop.rs"],
    }),
    crate_features = select({
        "@platforms//os:fuchsia": ["tracing"],
        "//conditions:default": [],
    }),
    crate_name = "storage_trace",
    edition = "2024",
    visibility = ["//src/storage:__subpackages__"],
    deps = select({
        "@platforms//os:fuchsia": ["//src/lib/trace/rust:trace"],
        "//conditions:default": [],
    }),
)

host_rustc_test(
    name = "storage_trace_host_test",
    crate = ":trace",
    crate_features = select({
        "@platforms//os:fuchsia": ["tracing"],
        "//conditions:default": [],
    }),
    crate_name = "storage_trace_lib_test",
    deps = ["//src/lib/fuchsia"],
)

rustc_library(
    name = "storage_trace_enabled_rust",
    testonly = True,
    srcs = ["src/lib.rs"],
    crate_features = ["tracing"],
    edition = "2024",
    target_compatible_with = ["@platforms//os:fuchsia"],
    deps = ["//src/lib/trace/rust:trace"],
)

rustc_test(
    name = "storage_trace_enabled_rust_test",
    crate = ":storage_trace_enabled_rust",
    crate_features = ["tracing"],
    tags = ["manual"],
    target_compatible_with = ["@platforms//os:fuchsia"],
    deps = ["//src/lib/fuchsia"],
)

fx_unittest_component(
    name = "storage_trace_enabled_rust_test_component",
    binary = ":storage_trace_enabled_rust_test",
)

rustc_library(
    name = "storage_trace_disabled_rust",
    testonly = True,
    srcs = [
        "src/lib.rs",
        "src/noop.rs",
    ],
    edition = "2024",
)

rustc_test(
    name = "storage_trace_disabled_rust_test",
    crate = ":storage_trace_disabled_rust",
    tags = ["manual"],
    target_compatible_with = ["@platforms//os:fuchsia"],
    deps = ["//src/lib/fuchsia"],
)

fx_unittest_component(
    name = "storage_trace_disabled_rust_test_component",
    binary = ":storage_trace_disabled_rust_test",
)

fx_cc_library(
    name = "storage_trace_enabled_cpp",
    srcs = ["trace_enabled.cc"],
    hdrs = ["trace_enabled.h"],
    target_compatible_with = ["@platforms//os:fuchsia"],
    deps = [
        "//zircon/system/ulib/trace",
    ],
    alwayslink = True,
)

fx_cc_library(
    name = "storage_trace_disabled_cpp",
    hdrs = ["trace_disabled.h"],
    deps = ["//zircon/system/ulib/fbl"],
    alwayslink = True,
)

fx_cc_library(
    name = "cpp",
    hdrs = ["trace.h"],
    defines = select({
        "@platforms//os:fuchsia": ["STORAGE_ENABLE_TRACING"],
        "//conditions:default": [],
    }),
    public_configs = select({
        "@platforms//os:fuchsia": [":enable_tracing"],
        "//conditions:default": [],
    }),
    visibility = ["//src/storage:__subpackages__"],
    deps = select({
        "@platforms//os:fuchsia": [":storage_trace_enabled_cpp"],
        "//conditions:default": [":storage_trace_disabled_cpp"],
    }),
    alwayslink = True,
)

fx_cc_test_binary(
    name = "storage_trace_cpp_test",
    srcs = ["trace_test.cc"],
    deps = [
        ":cpp",
        "//src/lib/fxl/test:gtest_main",
        "//zircon/system/ulib/fbl",
        "@com_google_googletest//:gtest",
    ],
)

host_test(
    name = "storage_trace_cpp_host_test",
    binary = ":storage_trace_cpp_test",
    target_compatible_with = HOST_OS_CONSTRAINTS,
)

fx_cc_library(
    name = "storage_trace_force_enabled_cpp",
    testonly = True,
    hdrs = ["trace.h"],
    defines = ["STORAGE_ENABLE_TRACING"],
    public_configs = [":enable_tracing"],
    target_compatible_with = ["@platforms//os:fuchsia"],
    deps = [":storage_trace_enabled_cpp"],
    alwayslink = True,
)

fx_cc_test_binary(
    name = "storage_trace_enabled_cpp_test",
    srcs = ["trace_test.cc"],
    target_compatible_with = ["@platforms//os:fuchsia"],
    deps = [
        ":storage_trace_force_enabled_cpp",
        "//src/lib/fxl/test:gtest_main",
        "//zircon/system/ulib/fbl",
        "@com_google_googletest//:gtest",
    ],
)

fx_unittest_component(
    name = "storage_trace_enabled_cpp_test_component",
    binary = ":storage_trace_enabled_cpp_test",
    component_name = "storage_trace_enabled_cpp_test",
)

fx_cc_library(
    name = "storage_trace_force_disabled_cpp",
    testonly = True,
    hdrs = ["trace.h"],
    deps = [":storage_trace_disabled_cpp"],
    alwayslink = True,
)

fx_cc_test_binary(
    name = "storage_trace_disabled_cpp_test",
    srcs = ["trace_test.cc"],
    deps = [
        ":storage_trace_force_disabled_cpp",
        "//src/lib/fxl/test:gtest_main",
        "//zircon/system/ulib/fbl",
        "@com_google_googletest//:gtest",
    ],
)

fx_unittest_component(
    name = "storage_trace_disabled_cpp_test_component",
    binary = ":storage_trace_disabled_cpp_test",
    component_name = "storage_trace_disabled_cpp_test",
)

fx_package(
    name = "storage_trace_tests_pkg",
    package_name = "storage_trace_tests",
    test_components = [
        ":storage_trace_enabled_rust_test_component",
        ":storage_trace_disabled_rust_test_component",
        ":storage_trace_enabled_cpp_test_component",
        ":storage_trace_disabled_cpp_test_component",
    ],
)

fx_test(
    name = "storage_trace_tests",
    package = ":storage_trace_tests_pkg",
)