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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import SwiftDiagnostics
import SwiftParser
import SwiftParserDiagnostics
import XCTest
import _SwiftSyntaxTestSupport
final class ParserDiagnosticsFormatterIntegrationTests: XCTestCase {
func annotate(source: String, colorize: Bool = false) -> String {
let tree = Parser.parse(source: source)
let diags = ParseDiagnosticsGenerator.diagnostics(for: tree)
return DiagnosticsFormatter.annotatedSource(tree: tree, diags: diags, colorize: colorize)
}
func testSingleDiagnostic() {
let source = """
var foo = bar +
"""
let expectedOutput = """
1 | var foo = bar +
| `- error: expected expression after operator
"""
assertStringsEqualWithDiff(annotate(source: source), expectedOutput)
}
func testMultipleDiagnosticsInOneLine() {
let source = """
foo.[].[].[]
"""
let expectedOutput = """
1 | foo.[].[].[]
| | | `- error: expected name in member access
| | `- error: expected name in member access
| `- error: expected name in member access
"""
assertStringsEqualWithDiff(annotate(source: source), expectedOutput)
}
func testLineSkipping() {
let source = """
var i = 1
i = 2
i = foo(
i = 4
i = 5
i = 6
i = 7
i = 8
i = 9
i = 10
i = bar(
"""
let expectedOutput = """
2 | i = 2
3 | i = foo(
4 | i = 4
| `- error: expected ')' to end function call
5 | i = 5
6 | i = 6
:
9 | i = 9
10 | i = 10
11 | i = bar(
| `- error: expected value and ')' to end function call
"""
assertStringsEqualWithDiff(annotate(source: source), expectedOutput)
}
func testTwoDiagnosticsAtSameLocation() throws {
let source = "t as (..)"
let expectedOutput = """
1 | t as (..)
| |- error: expected type in tuple type
| `- error: unexpected code '..' in tuple type
"""
assertStringsEqualWithDiff(annotate(source: source), expectedOutput)
}
func testAddsColoringToSingleErrorDiagnostic() {
let source = """
var foo = bar +
"""
let expectedOutput = """
\u{001B}[0;36m1 |\u{001B}[0;0m var foo = bar +
\u{001B}[0;36m|\u{001B}[0;0m `- \u{001B}[1;31merror: \u{001B}[1;39mexpected expression after operator\u{001B}[0;0m
"""
assertStringsEqualWithDiff(annotate(source: source, colorize: true), expectedOutput)
}
func testAddsColoringToMultipleDiagnosticsInOneLine() {
let source = """
foo.[].[].[]
"""
let expectedOutput = """
\u{001B}[0;36m1 |\u{001B}[0;0m foo.[].[].[]
\u{001B}[0;36m|\u{001B}[0;0m | | `- \u{001B}[1;31merror: \u{001B}[1;39mexpected name in member access\u{001B}[0;0m
\u{001B}[0;36m|\u{001B}[0;0m | `- \u{001B}[1;31merror: \u{001B}[1;39mexpected name in member access\u{001B}[0;0m
\u{001B}[0;36m|\u{001B}[0;0m `- \u{001B}[1;31merror: \u{001B}[1;39mexpected name in member access\u{001B}[0;0m
"""
assertStringsEqualWithDiff(annotate(source: source, colorize: true), expectedOutput)
}
func testColoringWithHighlights() {
let source = """
for (i = 🐮; i != 👩👩👦👦; i += 1) { }
"""
let expectedOutput = """
\u{001B}[0;36m1 |\u{001B}[0;0m for \u{001B}[4;39m(i\u{001B}[0;0m \u{001B}[4;39m= 🐮; i != 👩👩👦👦; i += 1)\u{001B}[0;0m { }
\u{001B}[0;36m|\u{001B}[0;0m | `- \u{001B}[1;31merror: \u{001B}[1;39mexpected ')' to end tuple pattern\u{001B}[0;0m
\u{001B}[0;36m|\u{001B}[0;0m `- \u{001B}[1;31merror: \u{001B}[1;39mC-style for statement has been removed in Swift 3\u{001B}[0;0m
"""
assertStringsEqualWithDiff(annotate(source: source, colorize: true), expectedOutput)
}
func testRighParenLocation() {
let source = """
let _ : Float -> Int
"""
let expectedOutput = """
1 | let _ : Float -> Int
| | `- error: expected ')' in function type
| `- error: expected '(' to start function type
"""
assertStringsEqualWithDiff(annotate(source: source), expectedOutput)
}
func testDontCrashIfFullLineHighlightContainsEmoji() {
let source = """
func o() {
}👨👩👧👦}
}
"""
let expectedOutput = """
1 | func o() {
2 | }👨👩👧👦}
| |`- error: extraneous braces at top level
| `- error: consecutive statements on a line must be separated by newline or ';'
3 | }
"""
assertStringsEqualWithDiff(annotate(source: source), expectedOutput)
}
func testEmojiInSourceCode() {
let source = """
let 👨👩👧👦 = ;
"""
let expectedOutput = """
1 | let 👨👩👧👦 = ;
| `- error: expected expression in variable
"""
assertStringsEqualWithDiff(annotate(source: source), expectedOutput)
}
}
|
