mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
Janusz Sobczak
ed511f962d
Support sending a file or stream payload from a non-zero offset. This allows the clients to resume a transfer. Upper layers should use this feature only when both sides support it. PiperOrigin-RevId: 385137570
109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "core/payload.h"
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#include <memory>
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#include <type_traits>
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#include "platform/base/byte_array.h"
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#include "platform/base/input_stream.h"
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#include "platform/public/file.h"
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#include "platform/public/pipe.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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namespace location {
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namespace nearby {
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namespace connections {
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TEST(PayloadTest, DefaultPayloadHasUnknownType) {
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Payload payload;
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EXPECT_EQ(payload.GetType(), Payload::Type::kUnknown);
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}
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TEST(PayloadTest, SupportsByteArrayType) {
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const ByteArray bytes("bytes");
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Payload payload(bytes);
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EXPECT_EQ(payload.GetType(), Payload::Type::kBytes);
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EXPECT_EQ(payload.AsStream(), nullptr);
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EXPECT_EQ(payload.AsFile(), nullptr);
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EXPECT_EQ(payload.AsBytes(), bytes);
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}
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TEST(PayloadTest, SupportsFileType) {
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constexpr size_t kOffset = 99;
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const auto payload_id = Payload::GenerateId();
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InputFile file(payload_id, 100);
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InputStream& stream = file.GetInputStream();
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Payload payload(payload_id, std::move(file));
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payload.SetOffset(kOffset);
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EXPECT_EQ(payload.GetType(), Payload::Type::kFile);
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EXPECT_EQ(payload.AsStream(), nullptr);
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EXPECT_EQ(&payload.AsFile()->GetInputStream(), &stream);
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EXPECT_EQ(payload.AsBytes(), ByteArray{});
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EXPECT_EQ(payload.GetOffset(), kOffset);
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}
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TEST(PayloadTest, SupportsStreamType) {
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constexpr size_t kOffset = 1234456;
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auto pipe = std::make_shared<Pipe>();
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Payload payload(
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[streamable = pipe]() -> InputStream& {
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// For some reason, linter warns us that we return a dangling reference.
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// This is not true: we return a reference to internal variable of a
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// shared_ptr<Pipe> which remains valid while Payload is valid, since
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// shared_ptr<Pipe> is captured by value.
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return streamable->GetInputStream(); // NOLINT
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});
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payload.SetOffset(kOffset);
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EXPECT_EQ(payload.GetType(), Payload::Type::kStream);
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EXPECT_EQ(payload.AsStream(), &pipe->GetInputStream());
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EXPECT_EQ(payload.AsFile(), nullptr);
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EXPECT_EQ(payload.AsBytes(), ByteArray{});
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EXPECT_EQ(payload.GetOffset(), kOffset);
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}
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TEST(PayloadTest, PayloadIsMoveable) {
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Payload payload1;
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Payload payload2(ByteArray("bytes"));
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auto id = payload2.GetId();
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ByteArray bytes = payload2.AsBytes();
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EXPECT_EQ(payload1.GetType(), Payload::Type::kUnknown);
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EXPECT_EQ(payload2.GetType(), Payload::Type::kBytes);
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payload1 = std::move(payload2);
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EXPECT_EQ(payload1.GetType(), Payload::Type::kBytes);
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EXPECT_EQ(payload1.AsBytes(), bytes);
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EXPECT_EQ(payload1.GetId(), id);
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}
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TEST(PayloadTest, PayloadHasUniqueId) {
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Payload payload1;
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Payload payload2;
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EXPECT_NE(payload1.GetId(), payload2.GetId());
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}
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TEST(PayloadTest, PayloadIsNotCopyable) {
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EXPECT_FALSE(std::is_copy_constructible_v<Payload>);
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EXPECT_FALSE(std::is_copy_assignable_v<Payload>);
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}
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} // namespace connections
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} // namespace nearby
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} // namespace location
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