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1# Copyright 2021 The Chromium Authors
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5import("//build/config/rust.gni")
6import("//build/rust/rust_unit_tests_group.gni")
7
8# Build some minimal binaries to exercise the Rust toolchain
9# only if that toolchain is enabled in gn args.
10group("tests") {
11  testonly = true
12
13  deps = [ ":deps" ]
14  if (can_build_rust_unit_tests) {
15    deps += [ ":build_rust_tests" ]
16  }
17}
18
19group("deps") {
20  testonly = true
21  deps = []
22
23  # All the rest require Rust.
24  if (toolchain_has_rust) {
25    deps += [
26      "bindgen_test",
27      "test_aliased_deps",
28      "test_aliased_deps:test_aliased_deps_exe",
29      "test_bin_crate",
30      "test_rlib_crate:target1",
31      "test_rlib_crate:target2",
32      "test_rlib_crate:test_rlib_crate_associated_bin",
33      "test_rust_metadata:test_rust_metadata_cc_exe",
34      "test_rust_metadata:test_rust_metadata_exe",
35      "test_rust_multiple_dep_versions_exe",
36      "test_simple_rust_exe",
37
38      # TODO(https://crbug.com/1329611): Enable the additional target below
39      # once `rs_bindings_from_cc` is distributed via `gclient sync`.  In the
40      # meantime see the instructions in
41      # `//build/rust/run_rs_bindings_from_cc.py`.
42      #"test_rs_bindings_from_cc:test_rs_bindings_from_cc",
43    ]
44
45    if (enable_cxx) {
46      deps += [
47        "test_cpp_including_rust",
48        "test_rust_calling_cpp",
49        "test_rust_exe",
50        "test_rust_static_library",
51      ]
52    }
53    if (build_with_chromium) {
54      # This tests integration with a 3p library that downstream projects
55      # don't need to have.
56      deps += [ "test_serde_json_lenient" ]
57    }
58
59    if (can_build_rust_unit_tests) {
60      deps += [
61        "bindgen_test:bindgen_test_lib_unittests",
62        "test_aliased_deps:test_aliased_deps_unittests",
63        "test_rlib_crate:target1_test_rlib_crate_v0_2_unittests",
64        "test_rlib_crate:target2_test_rlib_crate_v0_2_unittests",
65        "test_rust_metadata:test_rust_metadata_unittests",
66        "test_rust_multiple_dep_versions_exe/v1:test_lib_v1_unittests",
67        "test_rust_multiple_dep_versions_exe/v2:test_lib_v2_unittests",
68        "test_rust_static_library_non_standard_arrangement:foo_tests",
69
70        # TODO(https://crbug.com/1329611): Enable the additional target below
71        # once `rs_bindings_from_cc` is distributed via `gclient sync`.  In the
72        # meantime see the instructions in
73        # `//build/rust/run_rs_bindings_from_cc.py`.
74        #"test_rs_bindings_from_cc:test_rs_bindings_from_cc_unittests",
75      ]
76
77      if (enable_cxx) {
78        deps += [
79          "test_cpp_including_rust:test_cpp_including_rust_unittests",
80          "test_rust_exe:test_rust_exe_unittests",
81          "test_rust_static_library:test_rust_static_library_unittests",
82          "test_rust_unittests",
83        ]
84      }
85    }
86
87    # Dylibs should only be built in component builds. We turn on flags which
88    # are incompatible with shared library compilation in non-component builds
89    # (such as code coverage https://crbug.com/1457533).
90    if (is_component_build && enable_cxx) {
91      deps += [ "test_rust_shared_library" ]
92      if (can_build_rust_unit_tests) {
93        deps += [
94          "test_cpp_including_rust:test_cpp_including_rust_dylib_unittests",
95        ]
96
97        # TODO(crbug.com/1442273): The shared library unittest EXE ends up
98        # requiring the DLL to run, even though it does not use the DLL.
99        if (!is_win && !is_mac) {
100          deps +=
101              [ "test_rust_shared_library:test_rust_shared_library_unittests" ]
102        }
103      }
104    }
105
106    if (is_win) {
107      deps += [ "test_control_flow_guard" ]
108    }
109  }
110}
111
112if (can_build_rust_unit_tests) {
113  # Generates a script that will run all the native Rust unit tests, in order
114  # to have them all part of a single test step on infra bots.
115  rust_unit_tests_group("build_rust_tests") {
116    deps = [ ":deps" ]
117  }
118}
119