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// Copyright 2024 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice, this
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//
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#include <gtest/gtest.h>
#include <sstream>
#include <string_view>
#include "gmock/gmock.h"
#include "langsvr/lsp/lsp.h"
#include "langsvr/lsp/primitives.h"
#include "langsvr/lsp/printer.h"
#include "src/tint/lang/wgsl/ls/helpers_test.h"
namespace tint::wgsl::ls {
namespace {
namespace lsp = langsvr::lsp;
struct Case {
std::string_view markup;
std::vector<lsp::MarkedString> expected;
};
std::ostream& operator<<(std::ostream& stream, const Case& c) {
return stream << "wgsl: '" << c.markup << "'";
}
using LsHoverTest = LsTestWithParam<Case>;
TEST_P(LsHoverTest, Hover) {
auto parsed = ParseMarkers(GetParam().markup);
ASSERT_EQ(parsed.positions.size(), 1u);
lsp::TextDocumentHoverRequest req{};
req.text_document.uri = OpenDocument(parsed.clean);
req.position = parsed.positions[0];
for (auto& n : diagnostics_) {
for (auto& d : n.diagnostics) {
if (d.severity == lsp::DiagnosticSeverity::kError) {
FAIL() << "Error: " << d.message << "\nWGSL:\n" << parsed.clean;
}
}
}
auto future = client_session_.Send(req);
ASSERT_EQ(future, langsvr::Success);
auto res = future->get();
if (GetParam().expected.empty()) {
ASSERT_TRUE(res.Is<lsp::Null>());
ASSERT_TRUE(parsed.ranges.empty());
} else {
ASSERT_TRUE(res.Is<lsp::Hover>());
auto& hover = *res.Get<lsp::Hover>();
ASSERT_EQ(parsed.ranges.size(), 1u);
ASSERT_TRUE(hover.range);
EXPECT_EQ(*hover.range, parsed.ranges[0]);
ASSERT_TRUE(hover.contents.Is<std::vector<lsp::MarkedString>>());
auto& marked_strings = *hover.contents.Get<std::vector<lsp::MarkedString>>();
EXPECT_THAT(marked_strings, testing::ContainerEq(GetParam().expected));
}
}
// TODO(crbug.com/tint/2127): Type aliases.
INSTANTIATE_TEST_SUITE_P(
,
LsHoverTest,
::testing::ValuesIn(std::vector<Case>{
{
R"(
const CONST = 42;
fn f() { _ =「⧘CONST」; }
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "const CONST : abstract-int = 42"},
},
},
// =========================================
{
R"(
var<private> VAR = 42;
fn f() { _ = VAR」; }
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "var VAR : i32 = 42i"},
},
}, // =========================================
{
R"(
override OVERRIDE = 42;
fn f() { _ = OVERRIDE ; }
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "override OVERRIDE : i32 = 42i"},
},
}, // =========================================
{
R"(
struct STRUCT { i : i32 }
fn f(s : 「⧘STRUCT ) {}
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "struct STRUCT"},
},
}, // =========================================
{
R"(
struct S { i : i32 }
fn f(s : S) { _ = s.「⧘i ; }
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "i : i32"},
},
}, // =========================================
{
R"(
fn f(p : i32) { _ =「⧘p ; }
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "p : i32"},
},
}, // =========================================
{
R"(
fn f() {
const i = 42;
_ =「i⧘」;
}
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "const i : abstract-int = 42"},
},
}, // =========================================
{
R"(
fn f() {
let i = 42;
_ = 「⧘i」;
}
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "let i : i32 = 42i"},
},
}, // =========================================
{
R"(
fn f() {
var i = 10 + 32;
i =「i⧘」;
}
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "var i : i32 = 42i"},
},
}, // =========================================
{
R"(
fn f() {
var i = 10;
{
var i = 42;
i =「i⧘」;
}
}
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "var i : i32 = 42i"},
},
}, // =========================================
{
R"(
fn f() {
var i = 10.0;
{
var i = 42;
}
i =「i⧘」;
}
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "var i : f32 = 10.0f"},
},
}, // =========================================
{
R"(
const i = 42;
fn f() {
var i = 42u;
i =「⧘i」;
}
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "var i : u32 = 42u"},
},
}, // =========================================
{
R"(
const i = 42;
fn f(i : i32) {
_ =「i⧘」;
}
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "i : i32"},
},
}, // =========================================
{
R"(
fn a() {}
fn b() { 「⧘a」(); }
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "fn a()"},
},
}, // =========================================
{
R"(
fn b() { 「⧘a」(); }
fn a() -> i32 { return 1; }
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "fn a() -> i32"},
},
}, // =========================================
{
R"(
fn f() {
_ = max(3f,「⧘5」);
}
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "5.0f"},
},
}, // =========================================
{
R"(
const C =「max」(1, 2);
)",
{
lsp::MarkedStringWithLanguage{"wgsl",
"max(abstract-int, abstract-int) -> abstract-int"},
},
}, // =========================================
{
R"(
const C : i32 = 42;
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "i32"},
},
}, // =========================================
{
R"(
const C = 1 ⧘+ 2」;
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "3"},
},
}, // =========================================
{
R"(
const C = 「(1 + 2) ⧘* 3」;
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "9"},
},
}, // =========================================
{
R"(
const C = (「1 +⧘ 2」) * 3;
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "3"},
},
}, // =========================================
{
R"(
const C : f32 = 「(1 + 2) *⧘ 3」;
)",
{
lsp::MarkedStringWithLanguage{"wgsl", "9.0f"},
},
},
}));
} // namespace
} // namespace tint::wgsl::ls