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import SwiftFormat
import SwiftSyntax
import SwiftParser
import XCTest
@_spi(Testing) import SwiftFormat
@_spi(Testing) import _SwiftFormatTestSupport
class WhitespaceTestCase: DiagnosingTestCase {
/// Perform whitespace linting by comparing the input text from the user with the expected
/// formatted text.
///
/// - Parameters:
/// - input: The user's input text.
/// - expected: The formatted text.
/// - linelength: The maximum allowed line length of the output.
/// - findings: A list of `FindingSpec` values that describe the findings that are expected to
/// be emitted.
/// - file: The file the test resides in (defaults to the current caller's file).
/// - line: The line the test resides in (defaults to the current caller's line).
final func assertWhitespaceLint(
input: String,
expected: String,
linelength: Int? = nil,
findings: [FindingSpec],
file: StaticString = #file,
line: UInt = #line
) {
let markedText = MarkedText(textWithMarkers: input)
let sourceFileSyntax = Parser.parse(source: markedText.textWithoutMarkers)
var configuration = Configuration.forTesting
if let linelength = linelength {
configuration.lineLength = linelength
}
var emittedFindings = [Finding]()
let context = makeContext(
sourceFileSyntax: sourceFileSyntax,
configuration: configuration,
selection: .infinite,
findingConsumer: { emittedFindings.append($0) })
let linter = WhitespaceLinter(
user: markedText.textWithoutMarkers, formatted: expected, context: context)
linter.lint()
assertFindings(
expected: findings,
markerLocations: markedText.markers,
emittedFindings: emittedFindings,
context: context,
file: file,
line: line)
}
}
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