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//===-- CodeCompletionStringsTests.cpp --------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "CodeCompletionStrings.h"
#include "clang/Sema/CodeCompleteConsumer.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace clang {
namespace clangd {
namespace {
class CompletionStringTest : public ::testing::Test {
public:
CompletionStringTest()
: Allocator(std::make_shared<clang::GlobalCodeCompletionAllocator>()),
CCTUInfo(Allocator), Builder(*Allocator, CCTUInfo) {}
protected:
void computeSignature(const CodeCompletionString &CCS) {
Signature.clear();
Snippet.clear();
getSignature(CCS, &Signature, &Snippet);
}
std::shared_ptr<clang::GlobalCodeCompletionAllocator> Allocator;
CodeCompletionTUInfo CCTUInfo;
CodeCompletionBuilder Builder;
std::string Signature;
std::string Snippet;
};
TEST_F(CompletionStringTest, ReturnType) {
Builder.AddResultTypeChunk("result");
Builder.AddResultTypeChunk("redundant result no no");
EXPECT_EQ(getReturnType(*Builder.TakeString()), "result");
}
TEST_F(CompletionStringTest, Documentation) {
Builder.addBriefComment("This is ignored");
EXPECT_EQ(formatDocumentation(*Builder.TakeString(), "Is this brief?"),
"Is this brief?");
}
TEST_F(CompletionStringTest, DocumentationWithAnnotation) {
Builder.addBriefComment("This is ignored");
Builder.AddAnnotation("Ano");
EXPECT_EQ(formatDocumentation(*Builder.TakeString(), "Is this brief?"),
"Annotation: Ano\n\nIs this brief?");
}
TEST_F(CompletionStringTest, MultipleAnnotations) {
Builder.AddAnnotation("Ano1");
Builder.AddAnnotation("Ano2");
Builder.AddAnnotation("Ano3");
EXPECT_EQ(formatDocumentation(*Builder.TakeString(), ""),
"Annotations: Ano1 Ano2 Ano3\n");
}
TEST_F(CompletionStringTest, EmptySignature) {
Builder.AddTypedTextChunk("X");
Builder.AddResultTypeChunk("result no no");
computeSignature(*Builder.TakeString());
EXPECT_EQ(Signature, "");
EXPECT_EQ(Snippet, "");
}
TEST_F(CompletionStringTest, Function) {
Builder.AddResultTypeChunk("result no no");
Builder.addBriefComment("This comment is ignored");
Builder.AddTypedTextChunk("Foo");
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
Builder.AddPlaceholderChunk("p1");
Builder.AddChunk(CodeCompletionString::CK_Comma);
Builder.AddPlaceholderChunk("p2");
Builder.AddChunk(CodeCompletionString::CK_RightParen);
auto *CCS = Builder.TakeString();
computeSignature(*CCS);
EXPECT_EQ(Signature, "(p1, p2)");
EXPECT_EQ(Snippet, "(${1:p1}, ${2:p2})");
EXPECT_EQ(formatDocumentation(*CCS, "Foo's comment"), "Foo's comment");
}
TEST_F(CompletionStringTest, EscapeSnippet) {
Builder.AddTypedTextChunk("Foo");
Builder.AddChunk(CodeCompletionString::CK_LeftParen);
Builder.AddPlaceholderChunk("$p}1\\");
Builder.AddChunk(CodeCompletionString::CK_RightParen);
computeSignature(*Builder.TakeString());
EXPECT_EQ(Signature, "($p}1\\)");
EXPECT_EQ(Snippet, "(${1:\\$p\\}1\\\\})");
}
TEST_F(CompletionStringTest, IgnoreInformativeQualifier) {
Builder.AddTypedTextChunk("X");
Builder.AddInformativeChunk("info ok");
Builder.AddInformativeChunk("info no no::");
computeSignature(*Builder.TakeString());
EXPECT_EQ(Signature, "info ok");
EXPECT_EQ(Snippet, "");
}
TEST_F(CompletionStringTest, ObjectiveCMethodNoArguments) {
Builder.AddResultTypeChunk("void");
Builder.AddTypedTextChunk("methodName");
auto *CCS = Builder.TakeString();
computeSignature(*CCS);
EXPECT_EQ(Signature, "");
EXPECT_EQ(Snippet, "");
}
TEST_F(CompletionStringTest, ObjectiveCMethodOneArgument) {
Builder.AddResultTypeChunk("void");
Builder.AddTypedTextChunk("methodWithArg:");
Builder.AddPlaceholderChunk("(type)");
auto *CCS = Builder.TakeString();
computeSignature(*CCS);
EXPECT_EQ(Signature, "(type)");
EXPECT_EQ(Snippet, "${1:(type)}");
}
TEST_F(CompletionStringTest, ObjectiveCMethodTwoArgumentsFromBeginning) {
Builder.AddResultTypeChunk("int");
Builder.AddTypedTextChunk("withFoo:");
Builder.AddPlaceholderChunk("(type)");
Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
Builder.AddTypedTextChunk("bar:");
Builder.AddPlaceholderChunk("(type2)");
auto *CCS = Builder.TakeString();
computeSignature(*CCS);
EXPECT_EQ(Signature, "(type) bar:(type2)");
EXPECT_EQ(Snippet, "${1:(type)} bar:${2:(type2)}");
}
TEST_F(CompletionStringTest, ObjectiveCMethodTwoArgumentsFromMiddle) {
Builder.AddResultTypeChunk("int");
Builder.AddInformativeChunk("withFoo:");
Builder.AddTypedTextChunk("bar:");
Builder.AddPlaceholderChunk("(type2)");
auto *CCS = Builder.TakeString();
computeSignature(*CCS);
EXPECT_EQ(Signature, "(type2)");
EXPECT_EQ(Snippet, "${1:(type2)}");
}
} // namespace
} // namespace clangd
} // namespace clang
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