build/config/android/test/classpath_order/BUILD.gn

# Copyright 2021 The Chromium 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/android/rules.gni")

template("test_resources") {
  jinja_template_resources(target_name) {
    forward_variables_from(invoker, "*")
    testonly = true
    variables = [ "resource_name=$resource_name" ]
    res_dir = "java/res_template"
    resources = [ "java/res_template/values/values.xml" ]
  }
}

template("generate_dummy_android_library") {
  # No underscores to avoid crbug.com/908819.
  _generate_java_source_target_name = "${target_name}generatejavasource"
  jinja_template(_generate_java_source_target_name) {
    testonly = true
    input = "java/src/org/chromium/build/classpath_order/Dummy.java.jinja2"
    output = "$target_gen_dir/java/src/org/chromium/build/classpath_order/${invoker.class_name}.java"
    variables = [ "class_name=${invoker.class_name}" ]
  }

  android_library(target_name) {
    forward_variables_from(invoker, "*")

    if (!defined(invoker.deps)) {
      deps = []
    }

    sources = get_target_outputs(":${_generate_java_source_target_name}")
    deps += [ ":${_generate_java_source_target_name}" ]
  }
}

# Test that classpath order keeps resources accessible when multiple targets generate
# resources for the same package. Specifically, test that an android_library precedes
# its dependencies regardless of the relative lexographic order.

test_resources("a1_dependency_resources") {
  resource_name = "a1_dependency_resource"
}

generate_dummy_android_library("a1_dependency_java") {
  testonly = true
  class_name = "A1Dependency"
  resources_package = "org.chromium.build.classpath_order.test1"
  deps = [ ":a1_dependency_resources" ]
}

test_resources("z1_master_resources") {
  resource_name = "z1_master_resource"
  deps = [ ":a1_dependency_resources" ]
}

generate_dummy_android_library("z1_master_java") {
  testonly = true
  class_name = "Z1Master"
  resources_package = "org.chromium.build.classpath_order.test1"
  deps = [
    ":a1_dependency_java",
    ":z1_master_resources",
  ]
}

test_resources("z2_dependency_resources") {
  resource_name = "z2_dependency_resource"
}

generate_dummy_android_library("z2_dependency_java") {
  testonly = true
  class_name = "Z2Dependency"
  resources_package = "org.chromium.build.classpath_order.test2"
  deps = [ ":z2_dependency_resources" ]
}

test_resources("a2_master_resources") {
  resource_name = "a2_master_resource"
  deps = [ ":z2_dependency_resources" ]
}

generate_dummy_android_library("a2_master_java") {
  testonly = true
  class_name = "A2Master"
  resources_package = "org.chromium.build.classpath_order.test2"
  deps = [
    ":a2_master_resources",
    ":z2_dependency_java",
  ]
}

java_library("junit_tests") {
  bypass_platform_checks = true
  testonly = true
  sources =
      [ "java/src/org/chromium/build/classpath_order/ClassPathOrderTest.java" ]
  deps = [
    ":a1_dependency_java",
    ":a2_master_java",
    ":z1_master_java",
    ":z2_dependency_java",
    "//testing/android/junit:junit_test_support",
    "//third_party/android_deps:robolectric_all_java",
    "//third_party/android_support_test_runner:runner_java",
    "//third_party/androidx:androidx_test_runner_java",
    "//third_party/junit",
  ]
}