/
ValidateDocumentationCommentsTests.swift
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/
ValidateDocumentationCommentsTests.swift
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import SwiftFormatRules
final class ValidateDocumentationCommentsTests: LintOrFormatRuleTestCase {
override func setUp() {
super.setUp()
shouldCheckForUnassertedDiagnostics = true
}
func testParameterDocumentation() {
let input =
"""
/// Uses 'Parameters' when it only has one parameter.
///
/// - Parameters singular: singular description.
/// - Returns: A string containing the contents of a
/// description
func testPluralParamDesc(singular: String) -> Bool {}
/// Uses 'Parameter' with a list of parameters.
///
/// - Parameter
/// - command: The command to execute in the shell environment.
/// - stdin: The string to use as standard input.
/// - Returns: A string containing the contents of the invoked process's
/// standard output.
func execute(command: String, stdin: String) -> String {
// ...
}
/// Returns the output generated by executing a command with the given string
/// used as standard input.
///
/// - Parameter command: The command to execute in the shell environment.
/// - Parameter stdin: The string to use as standard input.
/// - Returns: A string containing the contents of the invoked process's
/// standard output.
func testInvalidParameterDesc(command: String, stdin: String) -> String {}
"""
performLint(ValidateDocumentationComments.self, input: input)
XCTAssertDiagnosed(.useSingularParameter, line: 6, column: 1)
XCTAssertDiagnosed(.usePluralParameters, line: 15, column: 1)
XCTAssertDiagnosed(.usePluralParameters, line: 26, column: 1)
}
func testParametersName() {
let input =
"""
/// Parameters dont match.
///
/// - Parameters:
/// - sum: The sum of all numbers.
/// - avg: The average of all numbers.
/// - Returns: The sum of sum and avg.
func sum(avg: Int, sum: Int) -> Int {}
/// Missing one parameter documentation.
///
/// - Parameters:
/// - p1: Parameter 1.
/// - p2: Parameter 2.
/// - Returns: an integer.
func foo(p1: Int, p2: Int, p3: Int) -> Int {}
"""
performLint(ValidateDocumentationComments.self, input: input)
XCTAssertDiagnosed(.parametersDontMatch(funcName: "sum"), line: 7, column: 1)
XCTAssertDiagnosed(.parametersDontMatch(funcName: "foo"), line: 15, column: 1)
}
func testThrowsDocumentation() {
let input =
"""
/// One sentence summary.
///
/// - Parameters:
/// - p1: Parameter 1.
/// - p2: Parameter 2.
/// - p3: Parameter 3.
/// - Throws: an error.
func doesNotThrow(p1: Int, p2: Int, p3: Int) {}
/// One sentence summary.
///
/// - Parameters:
/// - p1: Parameter 1.
/// - p2: Parameter 2.
/// - p3: Parameter 3.
func doesThrow(p1: Int, p2: Int, p3: Int) throws {}
/// One sentence summary.
///
/// - Parameter p1: Parameter 1.
/// - Throws: doesn't really throw, just rethrows
func doesRethrow(p1: (() throws -> ())) rethrows {}
"""
performLint(ValidateDocumentationComments.self, input: input)
XCTAssertDiagnosed(.removeThrowsComment(funcName: "doesNotThrow"), line: 8, column: 1)
XCTAssertDiagnosed(.documentErrorsThrown(funcName: "doesThrow"), line: 16, column: 43)
XCTAssertDiagnosed(.removeThrowsComment(funcName: "doesRethrow"), line: 22, column: 41)
}
func testReturnDocumentation() {
let input =
"""
/// One sentence summary.
///
/// - Parameters:
/// - p1: Parameter 1.
/// - p2: Parameter 2.
/// - p3: Parameter 3.
/// - Returns: an integer.
func noReturn(p1: Int, p2: Int, p3: Int) {}
/// One sentence summary.
///
/// - Parameters:
/// - p1: Parameter 1.
/// - p2: Parameter 2.
/// - p3: Parameter 3.
func foo(p1: Int, p2: Int, p3: Int) -> Int {}
/// One sentence summary.
///
/// - Parameters:
/// - p1: Parameter 1.
/// - p2: Parameter 2.
/// - p3: Parameter 3.
func neverReturns(p1: Int, p2: Int, p3: Int) -> Never {}
/// One sentence summary.
///
/// - Parameters:
/// - p1: Parameter 1.
/// - p2: Parameter 2.
/// - p3: Parameter 3.
/// - Returns: Never returns.
func documentedNeverReturns(p1: Int, p2: Int, p3: Int) -> Never {}
"""
performLint(ValidateDocumentationComments.self, input: input)
XCTAssertDiagnosed(.removeReturnComment(funcName: "noReturn"), line: 8, column: 1)
XCTAssertDiagnosed(.documentReturnValue(funcName: "foo"), line: 16, column: 37)
XCTAssertNotDiagnosed(.documentReturnValue(funcName: "neverReturns"))
XCTAssertNotDiagnosed(.removeReturnComment(funcName: "documentedNeverReturns"))
}
func testValidDocumentation() {
let input =
"""
/// Returns the output generated by executing a command.
///
/// - Parameter command: The command to execute in the shell environment.
/// - Returns: A string containing the contents of the invoked process's
/// standard output.
func singularParam(command: String) -> String {
// ...
}
/// Returns the output generated by executing a command with the given string
/// used as standard input.
///
/// - Parameters:
/// - command: The command to execute in the shell environment.
/// - stdin: The string to use as standard input.
/// - Throws: An error, possibly.
/// - Returns: A string containing the contents of the invoked process's
/// standard output.
func pluralParam(command: String, stdin: String) throws -> String {
// ...
}
/// One sentence summary.
///
/// - Parameter p1: Parameter 1.
func rethrower(p1: (() throws -> ())) rethrows {
// ...
}
/// Parameter(s) and Returns tags may be omitted only if the single-sentence
/// brief summary fully describes the meaning of those items and including the
/// tags would only repeat what has already been said
func ommitedFunc(p1: Int)
"""
performLint(ValidateDocumentationComments.self, input: input)
XCTAssertNotDiagnosed(.useSingularParameter)
XCTAssertNotDiagnosed(.usePluralParameters)
XCTAssertNotDiagnosed(.documentReturnValue(funcName: "singularParam"))
XCTAssertNotDiagnosed(.removeReturnComment(funcName: "singularParam"))
XCTAssertNotDiagnosed(.parametersDontMatch(funcName: "singularParam"))
XCTAssertNotDiagnosed(.documentReturnValue(funcName: "pluralParam"))
XCTAssertNotDiagnosed(.removeReturnComment(funcName: "pluralParam"))
XCTAssertNotDiagnosed(.parametersDontMatch(funcName: "pluralParam"))
XCTAssertNotDiagnosed(.documentErrorsThrown(funcName: "pluralParam"))
XCTAssertNotDiagnosed(.removeThrowsComment(funcName: "pluralParam"))
XCTAssertNotDiagnosed(.documentErrorsThrown(funcName: "pluralParam"))
XCTAssertNotDiagnosed(.removeThrowsComment(funcName: "pluralParam"))
XCTAssertNotDiagnosed(.documentReturnValue(funcName: "ommitedFunc"))
XCTAssertNotDiagnosed(.removeReturnComment(funcName: "ommitedFunc"))
XCTAssertNotDiagnosed(.parametersDontMatch(funcName: "ommitedFunc"))
}
func testSeparateLabelAndIdentifier() {
let input =
"""
/// Returns the output generated by executing a command.
///
/// - Parameter command: The command to execute in the shell environment.
/// - Returns: A string containing the contents of the invoked process's
/// standard output.
func incorrectParam(label commando: String) -> String {
// ...
}
/// Returns the output generated by executing a command.
///
/// - Parameter command: The command to execute in the shell environment.
/// - Returns: A string containing the contents of the invoked process's
/// standard output.
func singularParam(label command: String) -> String {
// ...
}
/// Returns the output generated by executing a command with the given string
/// used as standard input.
///
/// - Parameters:
/// - command: The command to execute in the shell environment.
/// - stdin: The string to use as standard input.
/// - Returns: A string containing the contents of the invoked process's
/// standard output.
func pluralParam(label command: String, label2 stdin: String) -> String {
// ...
}
"""
performLint(ValidateDocumentationComments.self, input: input)
XCTAssertNotDiagnosed(.useSingularParameter)
XCTAssertNotDiagnosed(.usePluralParameters)
XCTAssertDiagnosed(.parametersDontMatch(funcName: "incorrectParam"), line: 6, column: 1)
XCTAssertNotDiagnosed(.documentReturnValue(funcName: "singularParam"))
XCTAssertNotDiagnosed(.removeReturnComment(funcName: "singularParam"))
XCTAssertNotDiagnosed(.parametersDontMatch(funcName: "singularParam"))
XCTAssertNotDiagnosed(.documentReturnValue(funcName: "pluralParam"))
XCTAssertNotDiagnosed(.removeReturnComment(funcName: "pluralParam"))
XCTAssertNotDiagnosed(.parametersDontMatch(funcName: "pluralParam"))
}
func testInitializer() {
let input =
"""
struct SomeType {
/// Brief summary.
///
/// - Parameter command: The command to execute in the shell environment.
/// - Returns: Shouldn't be here.
init(label commando: String) {
// ...
}
/// Brief summary.
///
/// - Parameter command: The command to execute in the shell environment.
init(label command: String) {
// ...
}
/// Brief summary.
///
/// - Parameters:
/// - command: The command to execute in the shell environment.
/// - stdin: The string to use as standard input.
init(label command: String, label2 stdin: String) {
// ...
}
/// Brief summary.
///
/// - Parameters:
/// - command: The command to execute in the shell environment.
/// - stdin: The string to use as standard input.
/// - Throws: An error.
init(label command: String, label2 stdin: String) throws {
// ...
}
}
"""
performLint(ValidateDocumentationComments.self, input: input)
XCTAssertNotDiagnosed(.useSingularParameter)
XCTAssertNotDiagnosed(.usePluralParameters)
XCTAssertDiagnosed(.parametersDontMatch(funcName: "init"), line: 6, column: 3)
XCTAssertDiagnosed(.removeReturnComment(funcName: "init"), line: 6, column: 3)
XCTAssertNotDiagnosed(.documentReturnValue(funcName: "init"))
XCTAssertNotDiagnosed(.removeReturnComment(funcName: "init"))
XCTAssertNotDiagnosed(.parametersDontMatch(funcName: "init"))
XCTAssertNotDiagnosed(.documentReturnValue(funcName: "init"))
XCTAssertNotDiagnosed(.removeReturnComment(funcName: "init"))
XCTAssertNotDiagnosed(.parametersDontMatch(funcName: "init"))
XCTAssertNotDiagnosed(.documentReturnValue(funcName: "init"))
XCTAssertNotDiagnosed(.removeReturnComment(funcName: "init"))
XCTAssertNotDiagnosed(.parametersDontMatch(funcName: "init"))
XCTAssertNotDiagnosed(.documentErrorsThrown(funcName: "init"))
XCTAssertNotDiagnosed(.removeThrowsComment(funcName: "init"))
}
}