# Copyright 2022 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/dist/renamed_binary.gni")
import("//build/test.gni")

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

# This package contains integration tests that use the "real" fuzzing engine, which generates inputs
# to drive a simple test fuzzer, to imitates a real fuzzer.

executable("fuzzer-bin") {
  testonly = true
  output_name = "realmfuzzer_test_fuzzer"
  sources = [ "fuzzer.cc" ]
  deps = [
    "//src/sys/fuzzing/common/testing:sanitizer",
    "//src/sys/fuzzing/realmfuzzer/adapters:llvm",
    "//src/sys/fuzzing/realmfuzzer/target",
  ]
  exclude_toolchain_tags = [ "instrumented" ]
}

fuchsia_test_component("fuzzer") {
  if (is_coverage) {
    manifest = "meta/fuzzer-coverage.cml"
  } else {
    manifest = "meta/fuzzer.cml"
  }
  deps = [
    ":fuzzer-bin",
    "//src/sys/fuzzing/realmfuzzer/testing/data:corpus",
  ]
}

test("integration-test-bin") {
  output_name = "realmfuzzer_integration_tests"
  sources = [ "integration-tests.cc" ]
  deps = [
    "//sdk/lib/fdio",
    "//sdk/lib/sys/cpp",
    "//src/lib/fxl",
    "//src/lib/fxl/test:gtest_main",
    "//src/sys/fuzzing/common",
    "//src/sys/fuzzing/common/testing",
    "//src/sys/fuzzing/fidl:fuchsia.fuzzer",
    "//src/sys/fuzzing/realmfuzzer/engine:engine-lib",
    "//third_party/googletest:gtest",
  ]
}

fuchsia_test_component("engine") {
  manifest = "meta/engine.cml"
  deps = [
    ":integration-test-bin",
    "//src/sys/fuzzing/realmfuzzer/engine:engine-bin",
  ]
}

fuchsia_test_component("fuzzer-integration-tests") {
  manifest = "meta/integration-tests.cml"
  deps = [
    ":engine",
    ":fuzzer",
    "//src/sys/fuzzing/realmfuzzer/testing:coverage",
  ]
}

fuchsia_test_package("fuzzer-integration-tests-pkg") {
  package_name = "realmfuzzer-integration-tests"
  test_components = [ ":fuzzer-integration-tests" ]
}

# This package contains integration tests that use a test "engine", which uses fixed inputs to drive
# a simple test fuzzer without instrumentation, to imitate the fuzzer tests that run in CQ.

executable("fuzzer-uninstrumented-bin") {
  testonly = true
  output_name = "realmfuzzer_test_fuzzer_uninstrumented"
  sources = [ "fuzzer.cc" ]
  deps = [ "../adapters:llvm" ]
  exclude_toolchain_tags = [ "instrumented" ]
}

renamed_binary("fuzzer-uninstrumented-renamed") {
  testonly = true
  dest = "bin/realmfuzzer_test_fuzzer"
  source = "$root_out_dir/realmfuzzer_test_fuzzer_uninstrumented"
  source_deps = [ ":fuzzer-uninstrumented-bin" ]
}

fuchsia_test_component("fuzzer-uninstrumented") {
  component_name = "fuzzer"
  if (is_coverage) {
    manifest = "meta/fuzzer-coverage.cml"
  } else {
    manifest = "meta/fuzzer.cml"
  }
  deps = [
    ":fuzzer-uninstrumented-renamed",
    "//src/sys/fuzzing/realmfuzzer/testing/data:corpus",
  ]
}

fuchsia_test_component("fuzzer-test-integration-test") {
  manifest = "../testing/meta/engine.cml"
  deps = [
    ":fuzzer-uninstrumented",
    "//src/sys/fuzzing/realmfuzzer/testing:engine",
  ]
}

fuchsia_test_package("fuzzer-test-integration-tests-pkg") {
  package_name = "realmfuzzer-test-integration-test"
  test_components = [ ":fuzzer-test-integration-test" ]
}