# Copyright 2020 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/config.gni")
import("//build/package.gni")
import("//build/rust/rustc_library.gni")
import("//build/test/test_package.gni")
import("//src/diagnostics/sampler/build/config_generator.gni")
import("//src/sys/build/components.gni")

# Library containing core logic for sampler,
# library launched by generic diagnostics Launcher
# to bundle multiple products together and save space.
rustc_library("lib") {
  name = "sampler"
  edition = "2018"
  with_unit_tests = true

  deps = [
    "//sdk/fidl/fuchsia.cobalt:fuchsia.cobalt-rustc",
    "//sdk/fidl/fuchsia.diagnostics:fuchsia.diagnostics-rustc",
    "//src/diagnostics/control:controller-rustc",
    "//src/diagnostics/control:controller-rustc",
    "//src/lib/diagnostics/hierarchy/rust",
    "//src/lib/diagnostics/reader/rust",
    "//src/lib/fdio/rust:fdio",
    "//src/lib/fidl/rust/fidl",
    "//src/lib/fuchsia-async",
    "//src/lib/fuchsia-async",
    "//src/lib/fuchsia-component",
    "//src/lib/syslog/rust:syslog",
    "//src/lib/syslog/rust:syslog-listener",
    "//src/lib/zircon/rust:fuchsia-zircon",
    "//third_party/rust_crates:anyhow",
    "//third_party/rust_crates:argh",
    "//third_party/rust_crates:async-trait",
    "//third_party/rust_crates:chrono",
    "//third_party/rust_crates:futures",
    "//third_party/rust_crates:itertools",
    "//third_party/rust_crates:lazy_static",
    "//third_party/rust_crates:log",
    "//third_party/rust_crates:matches",
    "//third_party/rust_crates:parking_lot",
    "//third_party/rust_crates:serde",
    "//third_party/rust_crates:serde_json",
    "//third_party/rust_crates:serde_json5",
    "//third_party/rust_crates:tempfile",
    "//third_party/rust_crates:thiserror",
  ]

  sources = [
    "src/config.rs",
    "src/executor.rs",
    "src/lib.rs",
  ]
}

# Test package for the unit test from the
# lapis library.
test_package("sampler-tests") {
  deps = [ ":lib_test" ]

  v2_tests = [
    {
      name = "sampler_lib_test"
      environments = basic_envs
    },
  ]
}

# Custom build rule responsible for generating them
# default config-data the production Lapis service uses
# as well as the resource rule used by the configuration
# verification test.
lapis_configuration("production_lapis") {
  configs = [
    "config/archivist.json",
    "config/ftl.json",
  ]
}

# Rules defining the V1 and V2 Lapis components.
fuchsia_component("sampler-component") {
  component_name = "sampler"
  deps = [
    ":production_lapis_config_data",
    "//src/diagnostics/launcher:bin",
  ]
  manifest = "meta/sampler.cml"
}

fuchsia_component("sampler-v1") {
  component_name = "sampler"
  manifest = "meta/sampler.cmx"
  deps = [
    ":lib",
    "//src/diagnostics/launcher:bin",
  ]
}

fuchsia_package("sampler") {
  deps = [ ":sampler-component" ]
}

# Test binary responsible for readings
# and validating all client configurations
# listed in the "production lapis" lapis_configuration.
rustc_test("config-validation") {
  testonly = true
  name = "config_validation_test"
  deps = [
    ":lib",
    "//src/lib/fuchsia-async",
  ]

  source_root = "tests/config_validation.rs"
  sources = [ "tests/config_validation.rs" ]
}

# Test component for config validation.
fuchsia_component("config-validation-test") {
  testonly = true
  manifest = "meta/config-validation-test.cmx"
  deps = [
    ":config-validation",
    ":production_lapis_resources",
  ]
}

# Integration test binary for lapis service.
rustc_test("test-bin") {
  testonly = true
  name = "sampler_integration_tests"
  deps = [
    "//sdk/fidl/fuchsia.cobalt:fuchsia.cobalt-rustc",
    "//sdk/fidl/fuchsia.cobalt.test:fuchsia.cobalt.test-rustc",
    "//src/diagnostics/sampler/tests/fidl-for-test:fuchsia.samplertestcontroller-rustc",
    "//src/lib/diagnostics/reader/rust",
    "//src/lib/diagnostics/testing/rust",
    "//src/lib/fuchsia-async",
    "//src/lib/fuchsia-component",
    "//src/lib/zircon/rust:fuchsia-zircon",
  ]

  data_deps = [ ":lib" ]

  source_root = "tests/integration.rs"
  sources = [ "tests/integration.rs" ]
}

# Config-data for the integration test.
config_data("test-config") {
  for_pkg = "sampler-integration-tests"
  sources = [ "tests/configs/test_config.json" ]
  outputs = [ "metrics/test_config.json" ]
}

# Test component for lapis service integration test.
fuchsia_component("sampler-integration-test") {
  testonly = true
  manifest = "meta/integration-tests.cmx"
  deps = [
    ":sampler-v1",
    ":test-bin",
    "//src/diagnostics/sampler/tests/test_component:single_counter_test_component",
  ]
}

fuchsia_test_package("sampler-integration-tests") {
  test_components = [
    ":sampler-integration-test",
    ":config-validation-test",
  ]
  deps = [
    ":production_lapis_resources",
    ":test-config",
  ]
}

group("tests") {
  testonly = true
  deps = [
    ":sampler-integration-tests",
    ":sampler-tests",
  ]
}