# 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/rust/rustc_binary.gni")
import("//build/rust/rustc_library.gni")
import("//build/rust/rustc_test.gni")
import("//build/test/test_package.gni")
import("//build/testing/host_test_data.gni")

group("tests") {
  testonly = true
  deps = [ ":cargo_gnaw_golden_integration_test($host_toolchain)" ]
}

if (is_host) {
  rustc_test("cargo_gnaw_golden_integration_test") {
    edition = "2018"
    source_root = "golden.rs"
    deps = [
      "//third_party/rust_crates:anyhow",
      "//third_party/rust_crates:pretty_assertions",
      "//third_party/rust_crates:tempfile",
      "//tools/cargo-gnaw:cargo-gnaw-lib",
    ]

    # Host tests are tested on different workers from those the artifacts were
    # built on.  This means, if we want to use binaries from the source tree,
    # we need to add them to test dependencies explicitly.
    non_rust_deps = [
      ":cargo_gnaw_gn",
      ":cargo_gnaw_rust",
      ":cargo_gnaw_tests",
    ]

    sources = [ "golden.rs" ]
  }

  visibility = [ ":*" ]

  host_test_data("cargo_gnaw_tests") {
    sources = [
      "binary/BUILD.gn",
      "binary/Cargo.lock",
      "binary/Cargo.toml",
      "binary/src/lib.rs",
      "binary/src/main.rs",
      "golden.rs",
      "platform_deps/.cargo/config",
      "platform_deps/BUILD.gn",
      "platform_deps/Cargo.lock",
      "platform_deps/Cargo.toml",
      "platform_deps/src/lib.rs",
      "platform_deps/vendor/anyhow/.cargo-checksum.json",
      "platform_deps/vendor/anyhow/Cargo.toml",
      "platform_deps/vendor/anyhow/LICENSE-APACHE",
      "platform_deps/vendor/anyhow/LICENSE-MIT",
      "platform_deps/vendor/anyhow/README.md",
      "platform_deps/vendor/anyhow/build.rs",
      "platform_deps/vendor/anyhow/src/backtrace.rs",
      "platform_deps/vendor/anyhow/src/chain.rs",
      "platform_deps/vendor/anyhow/src/context.rs",
      "platform_deps/vendor/anyhow/src/error.rs",
      "platform_deps/vendor/anyhow/src/fmt.rs",
      "platform_deps/vendor/anyhow/src/kind.rs",
      "platform_deps/vendor/anyhow/src/lib.rs",
      "platform_deps/vendor/anyhow/src/macros.rs",
      "platform_deps/vendor/anyhow/src/wrapper.rs",
      "platform_deps/vendor/anyhow/tests/common/mod.rs",
      "platform_deps/vendor/anyhow/tests/compiletest.rs",
      "platform_deps/vendor/anyhow/tests/drop/mod.rs",
      "platform_deps/vendor/anyhow/tests/test_autotrait.rs",
      "platform_deps/vendor/anyhow/tests/test_backtrace.rs",
      "platform_deps/vendor/anyhow/tests/test_boxed.rs",
      "platform_deps/vendor/anyhow/tests/test_chain.rs",
      "platform_deps/vendor/anyhow/tests/test_context.rs",
      "platform_deps/vendor/anyhow/tests/test_convert.rs",
      "platform_deps/vendor/anyhow/tests/test_downcast.rs",
      "platform_deps/vendor/anyhow/tests/test_fmt.rs",
      "platform_deps/vendor/anyhow/tests/test_macros.rs",
      "platform_deps/vendor/anyhow/tests/test_repr.rs",
      "platform_deps/vendor/anyhow/tests/test_source.rs",
      "platform_deps/vendor/anyhow/tests/ui/no-impl.rs",
      "platform_deps/vendor/anyhow/tests/ui/no-impl.stderr",
      "simple/BUILD.gn",
      "simple/Cargo.lock",
      "simple/Cargo.toml",
      "simple/src/lib.rs",
      "simple_deps/.cargo/config",
      "simple_deps/BUILD.gn",
      "simple_deps/BUILD_WITH_NO_ROOT.gn",
      "simple_deps/Cargo.lock",
      "simple_deps/Cargo.toml",
      "simple_deps/src/lib.rs",
      "simple_deps/vendor/anyhow/.cargo-checksum.json",
      "simple_deps/vendor/anyhow/Cargo.toml",
      "simple_deps/vendor/anyhow/LICENSE-APACHE",
      "simple_deps/vendor/anyhow/LICENSE-MIT",
      "simple_deps/vendor/anyhow/README.md",
      "simple_deps/vendor/anyhow/build.rs",
      "simple_deps/vendor/anyhow/src/backtrace.rs",
      "simple_deps/vendor/anyhow/src/chain.rs",
      "simple_deps/vendor/anyhow/src/context.rs",
      "simple_deps/vendor/anyhow/src/error.rs",
      "simple_deps/vendor/anyhow/src/fmt.rs",
      "simple_deps/vendor/anyhow/src/kind.rs",
      "simple_deps/vendor/anyhow/src/lib.rs",
      "simple_deps/vendor/anyhow/src/macros.rs",
      "simple_deps/vendor/anyhow/src/wrapper.rs",
      "simple_deps/vendor/anyhow/tests/common/mod.rs",
      "simple_deps/vendor/anyhow/tests/compiletest.rs",
      "simple_deps/vendor/anyhow/tests/drop/mod.rs",
      "simple_deps/vendor/anyhow/tests/test_autotrait.rs",
      "simple_deps/vendor/anyhow/tests/test_backtrace.rs",
      "simple_deps/vendor/anyhow/tests/test_boxed.rs",
      "simple_deps/vendor/anyhow/tests/test_chain.rs",
      "simple_deps/vendor/anyhow/tests/test_context.rs",
      "simple_deps/vendor/anyhow/tests/test_convert.rs",
      "simple_deps/vendor/anyhow/tests/test_downcast.rs",
      "simple_deps/vendor/anyhow/tests/test_fmt.rs",
      "simple_deps/vendor/anyhow/tests/test_macros.rs",
      "simple_deps/vendor/anyhow/tests/test_repr.rs",
      "simple_deps/vendor/anyhow/tests/test_source.rs",
      "simple_deps/vendor/anyhow/tests/ui/no-impl.rs",
      "simple_deps/vendor/anyhow/tests/ui/no-impl.stderr",
    ]
    outputs = [ "$root_out_dir/test_data/tools/cargo-gnaw/tests/{{source_target_relative}}" ]
  }

  template("_copy_tool") {
    action(target_name) {
      source = "//prebuilt/third_party/${invoker.tool}/${host_platform}"
      target = "${invoker.out_dir}/${invoker.tool}"
      inputs = [ "$source/.versions/${invoker.tool}.cipd_version" ]
      script = "//build/copy_tree.py"
      stamp = "${target}.stamp"
      args = [
        rebase_path(source, root_build_dir),
        rebase_path(target, root_build_dir),
        rebase_path(stamp, root_build_dir),
      ]

      # In theory we could use the version file as our output, but that causes
      # a problem: ninja will attempt to mkdir $target, and if $target exists
      # but is not a directory, the build will fail. So we use a stamp file in
      # the parent directory instead.
      outputs = [ stamp ]

      metadata = {
        test_runtime_deps = [ target ]
      }
    }
  }

  _copy_tool("cargo_gnaw_rust") {
    tool = "rust"
    out_dir = "$root_out_dir/test_data/tools/cargo-gnaw/runfiles"
  }

  _copy_tool("cargo_gnaw_gn") {
    tool = "gn"
    out_dir = "$root_out_dir/test_data/tools/cargo-gnaw/runfiles"
  }
}