1// Copyright 2020 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package rust
16
17import (
18	"strings"
19	"testing"
20
21	"android/soong/android"
22)
23
24func TestRustProtobuf(t *testing.T) {
25	ctx := testRust(t, `
26		rust_protobuf {
27			name: "librust_proto",
28			protos: ["buf.proto", "proto.proto"],
29			crate_name: "rust_proto",
30			source_stem: "buf",
31			shared_libs: ["libfoo_shared"],
32			static_libs: ["libfoo_static"],
33		}
34		cc_library_shared {
35			name: "libfoo_shared",
36			export_include_dirs: ["shared_include"],
37		}
38		cc_library_static {
39			name: "libfoo_static",
40			export_include_dirs: ["static_include"],
41		}
42	`)
43	// Check that libprotobuf is added as a dependency.
44	librust_proto := ctx.ModuleForTests("librust_proto", "android_arm64_armv8-a_dylib").Module().(*Module)
45	if !android.InList("libprotobuf", librust_proto.Properties.AndroidMkDylibs) {
46		t.Errorf("libprotobuf dependency missing for rust_protobuf (dependency missing from AndroidMkDylibs)")
47	}
48
49	// Make sure the correct plugin is being used.
50	librust_proto_out := ctx.ModuleForTests("librust_proto", "android_arm64_armv8-a_source").Output("buf.rs")
51	cmd := librust_proto_out.RuleParams.Command
52	if w := "protoc-gen-rust"; !strings.Contains(cmd, w) {
53		t.Errorf("expected %q in %q", w, cmd)
54	}
55
56	// Check exported include directories
57	if w := "-Ishared_include"; !strings.Contains(cmd, w) {
58		t.Errorf("expected %q in %q", w, cmd)
59	}
60	if w := "-Istatic_include"; !strings.Contains(cmd, w) {
61		t.Errorf("expected %q in %q", w, cmd)
62	}
63
64	// Check proto.rs, the second protobuf, is listed as an output
65	librust_proto_outputs := ctx.ModuleForTests("librust_proto", "android_arm64_armv8-a_source").AllOutputs()
66	if android.InList("proto.rs", librust_proto_outputs) {
67		t.Errorf("rust_protobuf is not producing multiple outputs; expected 'proto.rs' in list, got: %#v ",
68			librust_proto_outputs)
69	}
70}
71
72func TestRustGrpc(t *testing.T) {
73	ctx := testRust(t, `
74		rust_protobuf {
75			name: "librust_grpcio",
76			protos: ["buf.proto"],
77			grpc_protos: ["foo.proto", "proto.proto"],
78			crate_name: "rust_grpcio",
79			source_stem: "buf",
80		}
81	`)
82
83	// Check that libprotobuf is added as a dependency.
84	librust_grpcio_module := ctx.ModuleForTests("librust_grpcio", "android_arm64_armv8-a_dylib").Module().(*Module)
85
86	// Check that libgrpcio is added as a dependency.
87	if !android.InList("libgrpcio", librust_grpcio_module.Properties.AndroidMkDylibs) {
88		t.Errorf("libgrpcio dependency missing for rust_grpcio (dependency missing from AndroidMkDylibs)")
89	}
90
91	// Check that libfutures is added as a dependency.
92	if !android.InList("libfutures", librust_grpcio_module.Properties.AndroidMkDylibs) {
93		t.Errorf("libfutures dependency missing for rust_grpcio (dependency missing from AndroidMkDylibs)")
94	}
95
96	// Make sure the correct plugin is being used.
97	librust_grpcio_out := ctx.ModuleForTests("librust_grpcio", "android_arm64_armv8-a_source").Output("foo_grpc.rs")
98	cmd := librust_grpcio_out.RuleParams.Command
99	if w := "protoc-gen-grpc"; !strings.Contains(cmd, w) {
100		t.Errorf("expected %q in %q", w, cmd)
101	}
102
103	// Check that we're including the exported directory from libprotobuf-cpp-full
104	if w := "-I" + rustDefaultsDir + "libprotobuf-cpp-full-includes"; !strings.Contains(cmd, w) {
105		t.Errorf("expected %q in %q", w, cmd)
106	}
107
108	// Check proto.rs, the second protobuf, is listed as an output
109	librust_grpcio_outputs := ctx.ModuleForTests("librust_grpcio", "android_arm64_armv8-a_source").AllOutputs()
110	if android.InList("proto_grpc.rs", librust_grpcio_outputs) {
111		t.Errorf("rust_protobuf is not producing multiple outputs; expected 'proto_grpc.rs' in list, got: %#v ",
112			librust_grpcio_outputs)
113	}
114}
115
116func TestRustProtoErrors(t *testing.T) {
117	testRustError(t, "A proto can only be added once to either grpc_protos or protos.*", `
118		rust_protobuf {
119			name: "librust_grpcio",
120			protos: ["buf.proto"],
121			grpc_protos: ["buf.proto"],
122			crate_name: "rust_grpcio",
123			source_stem: "buf",
124		}
125	`)
126
127	testRustError(t, "proto filenames must be unique across  'protos' and 'grpc_protos'.*", `
128		rust_protobuf {
129			name: "librust_grpcio",
130			protos: ["buf.proto"],
131			grpc_protos: ["proto/buf.proto"],
132			crate_name: "rust_grpcio",
133			source_stem: "buf",
134		}
135	`)
136}
137