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| 1 | +//===--- FeatureModulesRegistryTests.cpp ---------------------------------===// |
| 2 | +// |
| 3 | +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | +// See https://llvm.org/LICENSE.txt for license information. |
| 5 | +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | +// |
| 7 | +//===----------------------------------------------------------------------===// |
| 8 | + |
| 9 | +#include "FeatureModule.h" |
| 10 | +#include "refactor/Tweak.h" |
| 11 | +#include "support/Logger.h" |
| 12 | + |
| 13 | +#include "gmock/gmock.h" |
| 14 | +#include "gtest/gtest.h" |
| 15 | + |
| 16 | +using testing::ElementsAre; |
| 17 | + |
| 18 | +namespace llvm { |
| 19 | +raw_ostream &operator<<(raw_ostream &OS, |
| 20 | + const clang::clangd::FeatureModuleRegistry::entry &E) { |
| 21 | + OS << "(name = " << E.getName() << ", description = '" << E.getDesc() << "')"; |
| 22 | + return OS; |
| 23 | +} |
| 24 | + |
| 25 | +raw_ostream &operator<<( |
| 26 | + raw_ostream &OS, |
| 27 | + const iterator_range<Registry<clang::clangd::FeatureModule>::iterator> |
| 28 | + &Rng) { |
| 29 | + OS << "{ "; |
| 30 | + bool First = true; |
| 31 | + for (clang::clangd::FeatureModuleRegistry::entry E : Rng) { |
| 32 | + if (First) |
| 33 | + First = false; |
| 34 | + else |
| 35 | + OS << ", "; |
| 36 | + OS << E; |
| 37 | + } |
| 38 | + OS << " }"; |
| 39 | + return OS; |
| 40 | +} |
| 41 | + |
| 42 | +raw_ostream &operator<<(raw_ostream &OS, const clang::clangd::Tweak &T) { |
| 43 | + OS << "(id = " << T.id() << ", " |
| 44 | + << "title = " << T.title() << ")"; |
| 45 | + return OS; |
| 46 | +} |
| 47 | +} // namespace llvm |
| 48 | + |
| 49 | +namespace clang::clangd { |
| 50 | +namespace { |
| 51 | + |
| 52 | +class Dummy final : public FeatureModule { |
| 53 | + static constexpr const char *TweakID = "DummyTweak"; |
| 54 | + struct DummyTweak final : public Tweak { |
| 55 | + const char *id() const override { return TweakID; } |
| 56 | + bool prepare(const Selection &) override { return true; } |
| 57 | + Expected<Effect> apply(const Selection &) override { |
| 58 | + return error("not implemented"); |
| 59 | + } |
| 60 | + std::string title() const override { return id(); } |
| 61 | + llvm::StringLiteral kind() const override { |
| 62 | + return llvm::StringLiteral(""); |
| 63 | + }; |
| 64 | + }; |
| 65 | + |
| 66 | + void contributeTweaks(std::vector<std::unique_ptr<Tweak>> &Out) override { |
| 67 | + Out.emplace_back(new DummyTweak); |
| 68 | + } |
| 69 | +}; |
| 70 | + |
| 71 | +static FeatureModuleRegistry::Add<Dummy> |
| 72 | + X("dummy", "Dummy feature module with dummy tweak"); |
| 73 | + |
| 74 | +MATCHER_P(moduleName, Name, "") { return arg.getName() == Name; } |
| 75 | +MATCHER_P(tweakID, ID, "") { return arg->id() == llvm::StringRef(ID); } |
| 76 | + |
| 77 | +// In this test, it is assumed that for unittests executable, all feature |
| 78 | +// modules are added to the registry only here (in this file). To implement |
| 79 | +// modules for clangd tool, one need to link them directly to the clangd |
| 80 | +// executable in clangd/tool/CMakeLists.txt. |
| 81 | +TEST(FeatureModulesRegistryTest, DummyModule) { |
| 82 | + EXPECT_THAT(FeatureModuleRegistry::entries(), |
| 83 | + ElementsAre(moduleName("dummy"))); |
| 84 | + FeatureModuleSet Set = FeatureModuleSet::fromRegistry(); |
| 85 | + ASSERT_EQ(Set.end() - Set.begin(), 1u); |
| 86 | + std::vector<std::unique_ptr<Tweak>> Tweaks; |
| 87 | + Set.begin()->contributeTweaks(Tweaks); |
| 88 | + EXPECT_THAT(Tweaks, ElementsAre(tweakID("DummyTweak"))); |
| 89 | +} |
| 90 | + |
| 91 | +} // namespace |
| 92 | +} // namespace clang::clangd |
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