Aleksandr Platonov c4efd04f18 [clangd] Use URIs instead of paths in the index file list
Without this patch the file list of the preamble index contains URIs, but other indexes file lists contain file paths.
This makes `indexedFiles()` always returns `IndexContents::None` for the preamble index, because current implementation expects file paths inside the file list of the index.

This patch fixes this problem and also helps to avoid a lot of URI to path conversions during indexes merge.

Reviewed By: kadircet

Differential Revision: https://reviews.llvm.org/D97535
2021-03-06 10:47:05 +03:00

810 lines
27 KiB
C++

//===-- DexTests.cpp ---------------------------------*- C++ -*-----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "FuzzyMatch.h"
#include "TestFS.h"
#include "TestIndex.h"
#include "index/Index.h"
#include "index/Merge.h"
#include "index/SymbolID.h"
#include "index/dex/Dex.h"
#include "index/dex/Iterator.h"
#include "index/dex/Token.h"
#include "index/dex/Trigram.h"
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/Support/raw_ostream.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include <string>
#include <vector>
using ::testing::AnyOf;
using ::testing::ElementsAre;
using ::testing::IsEmpty;
using ::testing::UnorderedElementsAre;
namespace clang {
namespace clangd {
namespace dex {
namespace {
//===----------------------------------------------------------------------===//
// Query iterator tests.
//===----------------------------------------------------------------------===//
std::vector<DocID> consumeIDs(Iterator &It) {
auto IDAndScore = consume(It);
std::vector<DocID> IDs(IDAndScore.size());
for (size_t I = 0; I < IDAndScore.size(); ++I)
IDs[I] = IDAndScore[I].first;
return IDs;
}
TEST(DexIterators, DocumentIterator) {
const PostingList L({4, 7, 8, 20, 42, 100});
auto DocIterator = L.iterator();
EXPECT_EQ(DocIterator->peek(), 4U);
EXPECT_FALSE(DocIterator->reachedEnd());
DocIterator->advance();
EXPECT_EQ(DocIterator->peek(), 7U);
EXPECT_FALSE(DocIterator->reachedEnd());
DocIterator->advanceTo(20);
EXPECT_EQ(DocIterator->peek(), 20U);
EXPECT_FALSE(DocIterator->reachedEnd());
DocIterator->advanceTo(65);
EXPECT_EQ(DocIterator->peek(), 100U);
EXPECT_FALSE(DocIterator->reachedEnd());
DocIterator->advanceTo(420);
EXPECT_TRUE(DocIterator->reachedEnd());
}
TEST(DexIterators, AndTwoLists) {
Corpus C{10000};
const PostingList L0({0, 5, 7, 10, 42, 320, 9000});
const PostingList L1({0, 4, 7, 10, 30, 60, 320, 9000});
auto And = C.intersect(L1.iterator(), L0.iterator());
EXPECT_FALSE(And->reachedEnd());
EXPECT_THAT(consumeIDs(*And), ElementsAre(0U, 7U, 10U, 320U, 9000U));
And = C.intersect(L0.iterator(), L1.iterator());
And->advanceTo(0);
EXPECT_EQ(And->peek(), 0U);
And->advanceTo(5);
EXPECT_EQ(And->peek(), 7U);
And->advanceTo(10);
EXPECT_EQ(And->peek(), 10U);
And->advanceTo(42);
EXPECT_EQ(And->peek(), 320U);
And->advanceTo(8999);
EXPECT_EQ(And->peek(), 9000U);
And->advanceTo(9001);
}
TEST(DexIterators, AndThreeLists) {
Corpus C{10000};
const PostingList L0({0, 5, 7, 10, 42, 320, 9000});
const PostingList L1({0, 4, 7, 10, 30, 60, 320, 9000});
const PostingList L2({1, 4, 7, 11, 30, 60, 320, 9000});
auto And = C.intersect(L0.iterator(), L1.iterator(), L2.iterator());
EXPECT_EQ(And->peek(), 7U);
And->advanceTo(300);
EXPECT_EQ(And->peek(), 320U);
And->advanceTo(100000);
EXPECT_TRUE(And->reachedEnd());
}
TEST(DexIterators, AndEmpty) {
Corpus C{10000};
const PostingList L1{1};
const PostingList L2{2};
// These iterators are empty, but the optimizer can't tell.
auto Empty1 = C.intersect(L1.iterator(), L2.iterator());
auto Empty2 = C.intersect(L1.iterator(), L2.iterator());
// And syncs iterators on construction, and used to fail on empty children.
auto And = C.intersect(std::move(Empty1), std::move(Empty2));
EXPECT_TRUE(And->reachedEnd());
}
TEST(DexIterators, OrTwoLists) {
Corpus C{10000};
const PostingList L0({0, 5, 7, 10, 42, 320, 9000});
const PostingList L1({0, 4, 7, 10, 30, 60, 320, 9000});
auto Or = C.unionOf(L0.iterator(), L1.iterator());
EXPECT_FALSE(Or->reachedEnd());
EXPECT_EQ(Or->peek(), 0U);
Or->advance();
EXPECT_EQ(Or->peek(), 4U);
Or->advance();
EXPECT_EQ(Or->peek(), 5U);
Or->advance();
EXPECT_EQ(Or->peek(), 7U);
Or->advance();
EXPECT_EQ(Or->peek(), 10U);
Or->advance();
EXPECT_EQ(Or->peek(), 30U);
Or->advanceTo(42);
EXPECT_EQ(Or->peek(), 42U);
Or->advanceTo(300);
EXPECT_EQ(Or->peek(), 320U);
Or->advanceTo(9000);
EXPECT_EQ(Or->peek(), 9000U);
Or->advanceTo(9001);
EXPECT_TRUE(Or->reachedEnd());
Or = C.unionOf(L0.iterator(), L1.iterator());
EXPECT_THAT(consumeIDs(*Or),
ElementsAre(0U, 4U, 5U, 7U, 10U, 30U, 42U, 60U, 320U, 9000U));
}
TEST(DexIterators, OrThreeLists) {
Corpus C{10000};
const PostingList L0({0, 5, 7, 10, 42, 320, 9000});
const PostingList L1({0, 4, 7, 10, 30, 60, 320, 9000});
const PostingList L2({1, 4, 7, 11, 30, 60, 320, 9000});
auto Or = C.unionOf(L0.iterator(), L1.iterator(), L2.iterator());
EXPECT_FALSE(Or->reachedEnd());
EXPECT_EQ(Or->peek(), 0U);
Or->advance();
EXPECT_EQ(Or->peek(), 1U);
Or->advance();
EXPECT_EQ(Or->peek(), 4U);
Or->advanceTo(7);
Or->advanceTo(59);
EXPECT_EQ(Or->peek(), 60U);
Or->advanceTo(9001);
EXPECT_TRUE(Or->reachedEnd());
}
// FIXME(kbobyrev): The testcase below is similar to what is expected in real
// queries. It should be updated once new iterators (such as boosting, limiting,
// etc iterators) appear. However, it is not exhaustive and it would be
// beneficial to implement automatic generation (e.g. fuzzing) of query trees
// for more comprehensive testing.
TEST(DexIterators, QueryTree) {
//
// +-----------------+
// |And Iterator:1, 5|
// +--------+--------+
// |
// |
// +-------------+----------------------+
// | |
// | |
// +----------v----------+ +----------v------------+
// |And Iterator: 1, 5, 9| |Or Iterator: 0, 1, 3, 5|
// +----------+----------+ +----------+------------+
// | |
// +------+-----+ ------------+
// | | | |
// +-------v-----+ +----+---+ +---v----+ +----v---+
// |1, 3, 5, 8, 9| |Boost: 2| |Boost: 3| |Boost: 4|
// +-------------+ +----+---+ +---+----+ +----+---+
// | | |
// +----v-----+ +-v--+ +---v---+
// |1, 5, 7, 9| |1, 5| |0, 3, 5|
// +----------+ +----+ +-------+
//
Corpus C{10};
const PostingList L0({1, 3, 5, 8, 9});
const PostingList L1({1, 5, 7, 9});
const PostingList L2({1, 5});
const PostingList L3({0, 3, 5});
// Root of the query tree: [1, 5]
auto Root = C.intersect(
// Lower And Iterator: [1, 5, 9]
C.intersect(L0.iterator(), C.boost(L1.iterator(), 2U)),
// Lower Or Iterator: [0, 1, 5]
C.unionOf(C.boost(L2.iterator(), 3U), C.boost(L3.iterator(), 4U)));
EXPECT_FALSE(Root->reachedEnd());
EXPECT_EQ(Root->peek(), 1U);
Root->advanceTo(0);
// Advance multiple times. Shouldn't do anything.
Root->advanceTo(1);
Root->advanceTo(0);
EXPECT_EQ(Root->peek(), 1U);
auto ElementBoost = Root->consume();
EXPECT_THAT(ElementBoost, 6);
Root->advance();
EXPECT_EQ(Root->peek(), 5U);
Root->advanceTo(5);
EXPECT_EQ(Root->peek(), 5U);
ElementBoost = Root->consume();
EXPECT_THAT(ElementBoost, 8);
Root->advanceTo(9000);
EXPECT_TRUE(Root->reachedEnd());
}
TEST(DexIterators, StringRepresentation) {
Corpus C{10};
const PostingList L1({1, 3, 5});
const PostingList L2({1, 7, 9});
// No token given, prints full posting list.
auto I1 = L1.iterator();
EXPECT_EQ(llvm::to_string(*I1), "[1 3 5]");
// Token given, uses token's string representation.
Token Tok(Token::Kind::Trigram, "L2");
auto I2 = L1.iterator(&Tok);
EXPECT_EQ(llvm::to_string(*I2), "T=L2");
auto Tree = C.limit(C.intersect(move(I1), move(I2)), 10);
// AND reorders its children, we don't care which order it prints.
EXPECT_THAT(llvm::to_string(*Tree), AnyOf("(LIMIT 10 (& [1 3 5] T=L2))",
"(LIMIT 10 (& T=L2 [1 3 5]))"));
}
TEST(DexIterators, Limit) {
Corpus C{10000};
const PostingList L0({3, 6, 7, 20, 42, 100});
const PostingList L1({1, 3, 5, 6, 7, 30, 100});
const PostingList L2({0, 3, 5, 7, 8, 100});
auto DocIterator = C.limit(L0.iterator(), 42);
EXPECT_THAT(consumeIDs(*DocIterator), ElementsAre(3, 6, 7, 20, 42, 100));
DocIterator = C.limit(L0.iterator(), 3);
EXPECT_THAT(consumeIDs(*DocIterator), ElementsAre(3, 6, 7));
DocIterator = C.limit(L0.iterator(), 0);
EXPECT_THAT(consumeIDs(*DocIterator), ElementsAre());
auto AndIterator =
C.intersect(C.limit(C.all(), 343), C.limit(L0.iterator(), 2),
C.limit(L1.iterator(), 3), C.limit(L2.iterator(), 42));
EXPECT_THAT(consumeIDs(*AndIterator), ElementsAre(3, 7));
}
TEST(DexIterators, True) {
EXPECT_TRUE(Corpus{0}.all()->reachedEnd());
EXPECT_THAT(consumeIDs(*Corpus{4}.all()), ElementsAre(0, 1, 2, 3));
}
TEST(DexIterators, Boost) {
Corpus C{5};
auto BoostIterator = C.boost(C.all(), 42U);
EXPECT_FALSE(BoostIterator->reachedEnd());
auto ElementBoost = BoostIterator->consume();
EXPECT_THAT(ElementBoost, 42U);
const PostingList L0({2, 4});
const PostingList L1({1, 4});
auto Root = C.unionOf(C.all(), C.boost(L0.iterator(), 2U),
C.boost(L1.iterator(), 3U));
ElementBoost = Root->consume();
EXPECT_THAT(ElementBoost, 1);
Root->advance();
EXPECT_THAT(Root->peek(), 1U);
ElementBoost = Root->consume();
EXPECT_THAT(ElementBoost, 3);
Root->advance();
EXPECT_THAT(Root->peek(), 2U);
ElementBoost = Root->consume();
EXPECT_THAT(ElementBoost, 2);
Root->advanceTo(4);
ElementBoost = Root->consume();
EXPECT_THAT(ElementBoost, 3);
}
TEST(DexIterators, Optimizations) {
Corpus C{5};
const PostingList L1{1};
const PostingList L2{2};
const PostingList L3{3};
// empty and/or yield true/false
EXPECT_EQ(llvm::to_string(*C.intersect()), "true");
EXPECT_EQ(llvm::to_string(*C.unionOf()), "false");
// true/false inside and/or short-circuit
EXPECT_EQ(llvm::to_string(*C.intersect(L1.iterator(), C.all())), "[1]");
EXPECT_EQ(llvm::to_string(*C.intersect(L1.iterator(), C.none())), "false");
// Not optimized to avoid breaking boosts.
EXPECT_EQ(llvm::to_string(*C.unionOf(L1.iterator(), C.all())),
"(| [1] true)");
EXPECT_EQ(llvm::to_string(*C.unionOf(L1.iterator(), C.none())), "[1]");
// and/or nested inside and/or are flattened
EXPECT_EQ(llvm::to_string(*C.intersect(
L1.iterator(), C.intersect(L1.iterator(), L1.iterator()))),
"(& [1] [1] [1])");
EXPECT_EQ(llvm::to_string(*C.unionOf(
L1.iterator(), C.unionOf(L2.iterator(), L3.iterator()))),
"(| [1] [2] [3])");
// optimizations combine over multiple levels
EXPECT_EQ(llvm::to_string(*C.intersect(
C.intersect(L1.iterator(), C.intersect()), C.unionOf(C.all()))),
"[1]");
}
//===----------------------------------------------------------------------===//
// Search token tests.
//===----------------------------------------------------------------------===//
::testing::Matcher<std::vector<Token>>
tokensAre(std::initializer_list<std::string> Strings, Token::Kind Kind) {
std::vector<Token> Tokens;
for (const auto &TokenData : Strings) {
Tokens.push_back(Token(Kind, TokenData));
}
return ::testing::UnorderedElementsAreArray(Tokens);
}
::testing::Matcher<std::vector<Token>>
trigramsAre(std::initializer_list<std::string> Trigrams) {
return tokensAre(Trigrams, Token::Kind::Trigram);
}
std::vector<Token> identifierTrigramTokens(llvm::StringRef S) {
std::vector<Trigram> Trigrams;
generateIdentifierTrigrams(S, Trigrams);
std::vector<Token> Tokens;
for (Trigram T : Trigrams)
Tokens.emplace_back(Token::Kind::Trigram, T.str());
return Tokens;
}
TEST(DexTrigrams, IdentifierTrigrams) {
EXPECT_THAT(identifierTrigramTokens("X86"), trigramsAre({"x86", "x", "x8"}));
EXPECT_THAT(identifierTrigramTokens("nl"), trigramsAre({"nl", "n"}));
EXPECT_THAT(identifierTrigramTokens("n"), trigramsAre({"n"}));
EXPECT_THAT(identifierTrigramTokens("clangd"),
trigramsAre({"c", "cl", "cla", "lan", "ang", "ngd"}));
EXPECT_THAT(identifierTrigramTokens("abc_def"),
trigramsAre({"a", "ab", "ad", "abc", "abd", "ade", "bcd", "bde",
"cde", "def"}));
EXPECT_THAT(identifierTrigramTokens("a_b_c_d_e_"),
trigramsAre({"a", "a_", "ab", "abc", "bcd", "cde"}));
EXPECT_THAT(identifierTrigramTokens("unique_ptr"),
trigramsAre({"u", "un", "up", "uni", "unp", "upt", "niq", "nip",
"npt", "iqu", "iqp", "ipt", "que", "qup", "qpt",
"uep", "ept", "ptr"}));
EXPECT_THAT(
identifierTrigramTokens("TUDecl"),
trigramsAre({"t", "tu", "td", "tud", "tde", "ude", "dec", "ecl"}));
EXPECT_THAT(identifierTrigramTokens("IsOK"),
trigramsAre({"i", "is", "io", "iso", "iok", "sok"}));
EXPECT_THAT(
identifierTrigramTokens("abc_defGhij__klm"),
trigramsAre({"a", "ab", "ad", "abc", "abd", "ade", "adg", "bcd",
"bde", "bdg", "cde", "cdg", "def", "deg", "dgh", "dgk",
"efg", "egh", "egk", "fgh", "fgk", "ghi", "ghk", "gkl",
"hij", "hik", "hkl", "ijk", "ikl", "jkl", "klm"}));
}
TEST(DexTrigrams, QueryTrigrams) {
EXPECT_THAT(generateQueryTrigrams("c"), trigramsAre({"c"}));
EXPECT_THAT(generateQueryTrigrams("cl"), trigramsAre({"cl"}));
EXPECT_THAT(generateQueryTrigrams("cla"), trigramsAre({"cla"}));
EXPECT_THAT(generateQueryTrigrams(""), trigramsAre({}));
EXPECT_THAT(generateQueryTrigrams("_"), trigramsAre({"_"}));
EXPECT_THAT(generateQueryTrigrams("__"), trigramsAre({"__"}));
EXPECT_THAT(generateQueryTrigrams("___"), trigramsAre({}));
EXPECT_THAT(generateQueryTrigrams("X86"), trigramsAre({"x86"}));
EXPECT_THAT(generateQueryTrigrams("clangd"),
trigramsAre({"cla", "lan", "ang", "ngd"}));
EXPECT_THAT(generateQueryTrigrams("abc_def"),
trigramsAre({"abc", "bcd", "cde", "def"}));
EXPECT_THAT(generateQueryTrigrams("a_b_c_d_e_"),
trigramsAre({"abc", "bcd", "cde"}));
EXPECT_THAT(generateQueryTrigrams("unique_ptr"),
trigramsAre({"uni", "niq", "iqu", "que", "uep", "ept", "ptr"}));
EXPECT_THAT(generateQueryTrigrams("TUDecl"),
trigramsAre({"tud", "ude", "dec", "ecl"}));
EXPECT_THAT(generateQueryTrigrams("IsOK"), trigramsAre({"iso", "sok"}));
EXPECT_THAT(generateQueryTrigrams("abc_defGhij__klm"),
trigramsAre({"abc", "bcd", "cde", "def", "efg", "fgh", "ghi",
"hij", "ijk", "jkl", "klm"}));
}
TEST(DexSearchTokens, SymbolPath) {
EXPECT_THAT(generateProximityURIs(
"unittest:///clang-tools-extra/clangd/index/Token.h"),
ElementsAre("unittest:///clang-tools-extra/clangd/index/Token.h",
"unittest:///clang-tools-extra/clangd/index",
"unittest:///clang-tools-extra/clangd",
"unittest:///clang-tools-extra", "unittest:///"));
EXPECT_THAT(generateProximityURIs("unittest:///a/b/c.h"),
ElementsAre("unittest:///a/b/c.h", "unittest:///a/b",
"unittest:///a", "unittest:///"));
}
//===----------------------------------------------------------------------===//
// Index tests.
//===----------------------------------------------------------------------===//
TEST(Dex, Lookup) {
auto I = Dex::build(generateSymbols({"ns::abc", "ns::xyz"}), RefSlab(),
RelationSlab());
EXPECT_THAT(lookup(*I, SymbolID("ns::abc")), UnorderedElementsAre("ns::abc"));
EXPECT_THAT(lookup(*I, {SymbolID("ns::abc"), SymbolID("ns::xyz")}),
UnorderedElementsAre("ns::abc", "ns::xyz"));
EXPECT_THAT(lookup(*I, {SymbolID("ns::nonono"), SymbolID("ns::xyz")}),
UnorderedElementsAre("ns::xyz"));
EXPECT_THAT(lookup(*I, SymbolID("ns::nonono")), UnorderedElementsAre());
}
TEST(Dex, FuzzyFind) {
auto Index =
Dex::build(generateSymbols({"ns::ABC", "ns::BCD", "::ABC",
"ns::nested::ABC", "other::ABC", "other::A"}),
RefSlab(), RelationSlab());
FuzzyFindRequest Req;
Req.Query = "ABC";
Req.Scopes = {"ns::"};
EXPECT_THAT(match(*Index, Req), UnorderedElementsAre("ns::ABC"));
Req.Scopes = {"ns::", "ns::nested::"};
EXPECT_THAT(match(*Index, Req),
UnorderedElementsAre("ns::ABC", "ns::nested::ABC"));
Req.Query = "A";
Req.Scopes = {"other::"};
EXPECT_THAT(match(*Index, Req),
UnorderedElementsAre("other::A", "other::ABC"));
Req.Query = "";
Req.Scopes = {};
Req.AnyScope = true;
EXPECT_THAT(match(*Index, Req),
UnorderedElementsAre("ns::ABC", "ns::BCD", "::ABC",
"ns::nested::ABC", "other::ABC",
"other::A"));
}
TEST(DexTest, DexLimitedNumMatches) {
auto I = Dex::build(generateNumSymbols(0, 100), RefSlab(), RelationSlab());
FuzzyFindRequest Req;
Req.Query = "5";
Req.AnyScope = true;
Req.Limit = 3;
bool Incomplete;
auto Matches = match(*I, Req, &Incomplete);
EXPECT_TRUE(Req.Limit);
EXPECT_EQ(Matches.size(), *Req.Limit);
EXPECT_TRUE(Incomplete);
}
TEST(DexTest, FuzzyMatch) {
auto I = Dex::build(
generateSymbols({"LaughingOutLoud", "LionPopulation", "LittleOldLady"}),
RefSlab(), RelationSlab());
FuzzyFindRequest Req;
Req.Query = "lol";
Req.AnyScope = true;
Req.Limit = 2;
EXPECT_THAT(match(*I, Req),
UnorderedElementsAre("LaughingOutLoud", "LittleOldLady"));
}
TEST(DexTest, ShortQuery) {
auto I = Dex::build(generateSymbols({"OneTwoThreeFour"}), RefSlab(),
RelationSlab());
FuzzyFindRequest Req;
Req.AnyScope = true;
bool Incomplete;
EXPECT_THAT(match(*I, Req, &Incomplete), ElementsAre("OneTwoThreeFour"));
EXPECT_FALSE(Incomplete) << "Empty string is not a short query";
Req.Query = "t";
EXPECT_THAT(match(*I, Req, &Incomplete), ElementsAre());
EXPECT_TRUE(Incomplete) << "Short queries have different semantics";
Req.Query = "tt";
EXPECT_THAT(match(*I, Req, &Incomplete), ElementsAre());
EXPECT_TRUE(Incomplete) << "Short queries have different semantics";
Req.Query = "ttf";
EXPECT_THAT(match(*I, Req, &Incomplete), ElementsAre("OneTwoThreeFour"));
EXPECT_FALSE(Incomplete) << "3-char string is not a short query";
}
TEST(DexTest, MatchQualifiedNamesWithoutSpecificScope) {
auto I = Dex::build(generateSymbols({"a::y1", "b::y2", "y3"}), RefSlab(),
RelationSlab());
FuzzyFindRequest Req;
Req.AnyScope = true;
Req.Query = "y";
EXPECT_THAT(match(*I, Req), UnorderedElementsAre("a::y1", "b::y2", "y3"));
}
TEST(DexTest, MatchQualifiedNamesWithGlobalScope) {
auto I = Dex::build(generateSymbols({"a::y1", "b::y2", "y3"}), RefSlab(),
RelationSlab());
FuzzyFindRequest Req;
Req.Query = "y";
Req.Scopes = {""};
EXPECT_THAT(match(*I, Req), UnorderedElementsAre("y3"));
}
TEST(DexTest, MatchQualifiedNamesWithOneScope) {
auto I =
Dex::build(generateSymbols({"a::y1", "a::y2", "a::x", "b::y2", "y3"}),
RefSlab(), RelationSlab());
FuzzyFindRequest Req;
Req.Query = "y";
Req.Scopes = {"a::"};
EXPECT_THAT(match(*I, Req), UnorderedElementsAre("a::y1", "a::y2"));
}
TEST(DexTest, MatchQualifiedNamesWithMultipleScopes) {
auto I =
Dex::build(generateSymbols({"a::y1", "a::y2", "a::x", "b::y3", "y3"}),
RefSlab(), RelationSlab());
FuzzyFindRequest Req;
Req.Query = "y";
Req.Scopes = {"a::", "b::"};
EXPECT_THAT(match(*I, Req), UnorderedElementsAre("a::y1", "a::y2", "b::y3"));
}
TEST(DexTest, NoMatchNestedScopes) {
auto I = Dex::build(generateSymbols({"a::y1", "a::b::y2"}), RefSlab(),
RelationSlab());
FuzzyFindRequest Req;
Req.Query = "y";
Req.Scopes = {"a::"};
EXPECT_THAT(match(*I, Req), UnorderedElementsAre("a::y1"));
}
TEST(DexTest, WildcardScope) {
auto I = Dex::build(generateSymbols({"a::y1", "a::b::y2", "c::y3"}),
RefSlab(), RelationSlab());
FuzzyFindRequest Req;
Req.AnyScope = true;
Req.Query = "y";
Req.Scopes = {"a::"};
EXPECT_THAT(match(*I, Req),
UnorderedElementsAre("a::y1", "a::b::y2", "c::y3"));
}
TEST(DexTest, IgnoreCases) {
auto I = Dex::build(generateSymbols({"ns::ABC", "ns::abc"}), RefSlab(),
RelationSlab());
FuzzyFindRequest Req;
Req.Query = "AB";
Req.Scopes = {"ns::"};
EXPECT_THAT(match(*I, Req), UnorderedElementsAre("ns::ABC", "ns::abc"));
}
TEST(DexTest, UnknownPostingList) {
// Regression test: we used to ignore unknown scopes and accept any symbol.
auto I = Dex::build(generateSymbols({"ns::ABC", "ns::abc"}), RefSlab(),
RelationSlab());
FuzzyFindRequest Req;
Req.Scopes = {"ns2::"};
EXPECT_THAT(match(*I, Req), UnorderedElementsAre());
}
TEST(DexTest, Lookup) {
auto I = Dex::build(generateSymbols({"ns::abc", "ns::xyz"}), RefSlab(),
RelationSlab());
EXPECT_THAT(lookup(*I, SymbolID("ns::abc")), UnorderedElementsAre("ns::abc"));
EXPECT_THAT(lookup(*I, {SymbolID("ns::abc"), SymbolID("ns::xyz")}),
UnorderedElementsAre("ns::abc", "ns::xyz"));
EXPECT_THAT(lookup(*I, {SymbolID("ns::nonono"), SymbolID("ns::xyz")}),
UnorderedElementsAre("ns::xyz"));
EXPECT_THAT(lookup(*I, SymbolID("ns::nonono")), UnorderedElementsAre());
}
TEST(DexTest, SymbolIndexOptionsFilter) {
auto CodeCompletionSymbol = symbol("Completion");
auto NonCodeCompletionSymbol = symbol("NoCompletion");
CodeCompletionSymbol.Flags = Symbol::SymbolFlag::IndexedForCodeCompletion;
NonCodeCompletionSymbol.Flags = Symbol::SymbolFlag::None;
std::vector<Symbol> Symbols{CodeCompletionSymbol, NonCodeCompletionSymbol};
Dex I(Symbols, RefSlab(), RelationSlab());
FuzzyFindRequest Req;
Req.AnyScope = true;
Req.RestrictForCodeCompletion = false;
EXPECT_THAT(match(I, Req), ElementsAre("Completion", "NoCompletion"));
Req.RestrictForCodeCompletion = true;
EXPECT_THAT(match(I, Req), ElementsAre("Completion"));
}
TEST(DexTest, ProximityPathsBoosting) {
auto RootSymbol = symbol("root::abc");
RootSymbol.CanonicalDeclaration.FileURI = "unittest:///file.h";
auto CloseSymbol = symbol("close::abc");
CloseSymbol.CanonicalDeclaration.FileURI = "unittest:///a/b/c/d/e/f/file.h";
std::vector<Symbol> Symbols{CloseSymbol, RootSymbol};
Dex I(Symbols, RefSlab(), RelationSlab());
FuzzyFindRequest Req;
Req.AnyScope = true;
Req.Query = "abc";
// The best candidate can change depending on the proximity paths.
Req.Limit = 1;
// FuzzyFind request comes from the file which is far from the root: expect
// CloseSymbol to come out.
Req.ProximityPaths = {testPath("a/b/c/d/e/f/file.h")};
EXPECT_THAT(match(I, Req), ElementsAre("close::abc"));
// FuzzyFind request comes from the file which is close to the root: expect
// RootSymbol to come out.
Req.ProximityPaths = {testPath("file.h")};
EXPECT_THAT(match(I, Req), ElementsAre("root::abc"));
}
TEST(DexTests, Refs) {
llvm::DenseMap<SymbolID, std::vector<Ref>> Refs;
auto AddRef = [&](const Symbol &Sym, const char *Filename, RefKind Kind) {
auto &SymbolRefs = Refs[Sym.ID];
SymbolRefs.emplace_back();
SymbolRefs.back().Kind = Kind;
SymbolRefs.back().Location.FileURI = Filename;
};
auto Foo = symbol("foo");
auto Bar = symbol("bar");
AddRef(Foo, "foo.h", RefKind::Declaration);
AddRef(Foo, "foo.cc", RefKind::Definition);
AddRef(Foo, "reffoo.h", RefKind::Reference);
AddRef(Bar, "bar.h", RefKind::Declaration);
RefsRequest Req;
Req.IDs.insert(Foo.ID);
Req.Filter = RefKind::Declaration | RefKind::Definition;
std::vector<std::string> Files;
EXPECT_FALSE(Dex(std::vector<Symbol>{Foo, Bar}, Refs, RelationSlab())
.refs(Req, [&](const Ref &R) {
Files.push_back(R.Location.FileURI);
}));
EXPECT_THAT(Files, UnorderedElementsAre("foo.h", "foo.cc"));
Req.Limit = 1;
Files.clear();
EXPECT_TRUE(Dex(std::vector<Symbol>{Foo, Bar}, Refs, RelationSlab())
.refs(Req, [&](const Ref &R) {
Files.push_back(R.Location.FileURI);
}));
EXPECT_THAT(Files, ElementsAre(AnyOf("foo.h", "foo.cc")));
}
TEST(DexTests, Relations) {
auto Parent = symbol("Parent");
auto Child1 = symbol("Child1");
auto Child2 = symbol("Child2");
std::vector<Symbol> Symbols{Parent, Child1, Child2};
std::vector<Relation> Relations{{Parent.ID, RelationKind::BaseOf, Child1.ID},
{Parent.ID, RelationKind::BaseOf, Child2.ID}};
Dex I{Symbols, RefSlab(), Relations};
std::vector<SymbolID> Results;
RelationsRequest Req;
Req.Subjects.insert(Parent.ID);
Req.Predicate = RelationKind::BaseOf;
I.relations(Req, [&](const SymbolID &Subject, const Symbol &Object) {
Results.push_back(Object.ID);
});
EXPECT_THAT(Results, UnorderedElementsAre(Child1.ID, Child2.ID));
}
TEST(DexIndex, IndexedFiles) {
SymbolSlab Symbols;
RefSlab Refs;
auto Size = Symbols.bytes() + Refs.bytes();
auto Data = std::make_pair(std::move(Symbols), std::move(Refs));
llvm::StringSet<> Files = {"unittest:///foo.cc", "unittest:///bar.cc"};
Dex I(std::move(Data.first), std::move(Data.second), RelationSlab(),
std::move(Files), IndexContents::All, std::move(Data), Size);
auto ContainsFile = I.indexedFiles();
EXPECT_EQ(ContainsFile("unittest:///foo.cc"), IndexContents::All);
EXPECT_EQ(ContainsFile("unittest:///bar.cc"), IndexContents::All);
EXPECT_EQ(ContainsFile("unittest:///foobar.cc"), IndexContents::None);
}
TEST(DexTest, PreferredTypesBoosting) {
auto Sym1 = symbol("t1");
Sym1.Type = "T1";
auto Sym2 = symbol("t2");
Sym2.Type = "T2";
std::vector<Symbol> Symbols{Sym1, Sym2};
Dex I(Symbols, RefSlab(), RelationSlab());
FuzzyFindRequest Req;
Req.AnyScope = true;
Req.Query = "t";
// The best candidate can change depending on the preferred type.
Req.Limit = 1;
Req.PreferredTypes = {std::string(Sym1.Type)};
EXPECT_THAT(match(I, Req), ElementsAre("t1"));
Req.PreferredTypes = {std::string(Sym2.Type)};
EXPECT_THAT(match(I, Req), ElementsAre("t2"));
}
TEST(DexTest, TemplateSpecialization) {
SymbolSlab::Builder B;
Symbol S = symbol("TempSpec");
S.ID = SymbolID("0");
B.insert(S);
S = symbol("TempSpec");
S.ID = SymbolID("1");
S.TemplateSpecializationArgs = "<int, bool>";
S.SymInfo.Properties = static_cast<index::SymbolPropertySet>(
index::SymbolProperty::TemplateSpecialization);
B.insert(S);
S = symbol("TempSpec");
S.ID = SymbolID("2");
S.TemplateSpecializationArgs = "<int, U>";
S.SymInfo.Properties = static_cast<index::SymbolPropertySet>(
index::SymbolProperty::TemplatePartialSpecialization);
B.insert(S);
auto I = dex::Dex::build(std::move(B).build(), RefSlab(), RelationSlab());
FuzzyFindRequest Req;
Req.AnyScope = true;
Req.Query = "TempSpec";
EXPECT_THAT(match(*I, Req),
UnorderedElementsAre("TempSpec", "TempSpec<int, bool>",
"TempSpec<int, U>"));
// FIXME: Add filtering for template argument list.
Req.Query = "TempSpec<int";
EXPECT_THAT(match(*I, Req), IsEmpty());
}
} // namespace
} // namespace dex
} // namespace clangd
} // namespace clang