SwiftLint/Tests/SwiftLintFrameworkTests/ModifierOrderTests.swift

413 lines
15 KiB
Swift

@testable import SwiftLintFramework
import XCTest
// swiftlint:disable file_length type_body_length
class ModifierOrderTests: XCTestCase {
func testAttributeTypeMethod() {
let descriptionOverride = RuleDescription(
identifier: "modifier_order",
name: "Modifier Order",
description: "Modifier order should be consistent.",
kind: .style,
minSwiftVersion: .fourDotOne,
nonTriggeringExamples: [
Example("""
public class SomeClass {
class public func someFunc() {}
}
"""),
Example("""
public class SomeClass {
static public func someFunc() {}
}
""")
],
triggeringExamples: [
Example("""
public class SomeClass {
public class func someFunc() {}
}
"""),
Example("""
public class SomeClass {
public static func someFunc() {}
}
""")
]
)
verifyRule(descriptionOverride,
ruleConfiguration: ["preferred_modifier_order": ["typeMethods", "acl"]])
}
func testRightOrderedModifierGroups() {
let descriptionOverride = RuleDescription(
identifier: "modifier_order",
name: "Modifier Order",
description: "Modifier order should be consistent.",
kind: .style,
minSwiftVersion: .fourDotOne,
nonTriggeringExamples: [
Example("public protocol Foo: class {}\n" +
"public weak internal(set) var bar: Foo? \n"),
Example("open final class Foo {" +
" fileprivate static func bar() {} \n" +
" open class func barFoo() {} }"),
Example("public struct Foo {" +
" private mutating func bar() {} }")
],
triggeringExamples: [
Example("public protocol Foo: class {} \n" +
"public internal(set) weak var bar: Foo? \n"),
Example("final public class Foo {" +
" static fileprivate func bar() {} \n" +
" class open func barFoo() {} }"),
Example("public struct Foo {" +
" mutating private func bar() {} }")
]
)
verifyRule(descriptionOverride,
ruleConfiguration: ["preferred_modifier_order": ["acl",
"typeMethods",
"owned",
"setterACL",
"final",
"mutators",
"override"]])
}
//swiftlint:disable function_body_length
func testAtPrefixedGroup() {
let descriptionOverride = RuleDescription(
identifier: "modifier_order",
name: "Modifier Order",
description: "Modifier order should be consistent.",
kind: .style,
minSwiftVersion: .fourDotOne,
nonTriggeringExamples: [
Example("class Foo { \n" +
" @objc \n" +
" internal var bar: String {\n" +
" return \"foo\"\n" +
" }\n" +
"} \n" +
"class Bar: Foo { \n" +
" @objc \n" +
" override internal var bar: String { \n" +
" return \"bar\"\n" +
" }\n" +
"}"),
Example("@objcMembers \n" +
"public final class Bar {} \n"),
Example("class Foo { \n" +
" @IBOutlet internal weak var bar: UIView!\n" +
"}"),
Example("class Foo { \n" +
" @IBAction internal func bar() {}\n" +
"}\n" +
"class Bar: Foo { \n" +
" @IBAction override internal func bar() {}\n" +
"}"),
Example("public class Foo {\n" +
" @NSCopying public final var foo:NSString = \"s\"\n" +
"}"),
Example("public class Bar {\n" +
" @NSManaged public final var foo: NSString \n" +
"}\n")
],
triggeringExamples: [
Example("class Foo { \n" +
" @objc \n" +
" internal var bar: String {\n" +
" return \"foo\"\n" +
" }\n" +
"} \n" +
"class Bar: Foo { \n" +
" @objc \n" +
" internal override var bar: String { \n" +
" return \"bar\"\n" +
" }\n" +
"}"),
Example("@objcMembers \n" +
"final public class Bar {} \n"),
Example("class Foo { \n" +
" @IBOutlet weak internal var bar: UIView!\n" +
"}"),
Example("class Foo { \n" +
" @IBAction internal func bar() {}\n" +
"}\n" +
"class Bar: Foo { \n" +
" @IBAction internal override func bar() {}\n" +
"}"),
Example("public class Foo {\n" +
" @NSCopying final public var foo:NSString = \"s\"\n" +
"}"),
Example("public class Bar {\n" +
" @NSManaged final public var foo: NSString \n" +
"}\n")
]
)
verifyRule(descriptionOverride,
ruleConfiguration: ["preferred_modifier_order": ["override", "acl", "owned", "final"]])
}
func testNonSpecifiedModifiersDontInterfere() {
let descriptionOverride = RuleDescription(
identifier: "modifier_order",
name: "Modifier Order",
description: "Modifier order should be consistent.",
kind: .style,
minSwiftVersion: .fourDotOne,
nonTriggeringExamples: [
Example("""
class Foo {
weak final override private var bar: UIView?
}
"""),
Example("""
class Foo {
final weak override private var bar: UIView?
}
"""),
Example("""
class Foo {
final override weak private var bar: UIView?
}
"""),
Example("""
class Foo {
final override private weak var bar: UIView?
}
""")
],
triggeringExamples: [
Example("""
class Foo {
weak override final private var bar: UIView?
}
"""),
Example("""
class Foo {
override weak final private var bar: UIView?
}
"""),
Example("""
class Foo {
override final weak private var bar: UIView?
}
"""),
Example("""
class Foo {
override final private weak var bar: UIView?
}
""")
]
)
verifyRule(descriptionOverride,
ruleConfiguration: ["preferred_modifier_order": ["final", "override", "acl"]])
}
func testCorrectionsAreAppliedCorrectly() {
let descriptionOverride = RuleDescription(
identifier: "modifier_order",
name: "Modifier Order",
description: "Modifier order should be consistent.",
kind: .style,
minSwiftVersion: .fourDotOne,
nonTriggeringExamples: [],
triggeringExamples: [],
corrections: [
Example("""
class Foo {
private final override var bar: UIView?
}
"""):
Example("""
class Foo {
final override private var bar: UIView?
}
"""),
Example("""
class Foo {
private final var bar: UIView?
}
"""):
Example("""
class Foo {
final private var bar: UIView?
}
"""),
Example("""
class Foo {
class private final var bar: UIView?
}
"""):
Example("""
class Foo {
final private class var bar: UIView?
}
"""),
Example("""
class Foo {
@objc
private
class
final
override
var bar: UIView?
}
"""):
Example("""
class Foo {
@objc
final
override
private
class
var bar: UIView?
}
"""),
Example("""
private final class Foo {}
"""):
Example("""
final private class Foo {}
""")
]
)
verifyRule(descriptionOverride,
ruleConfiguration: ["preferred_modifier_order": ["final", "override", "acl", "typeMethods"]])
}
func testCorrectionsAreNotAppliedToIrrelevantModifier() {
let descriptionOverride = RuleDescription(
identifier: "modifier_order",
name: "Modifier Order",
description: "Modifier order should be consistent.",
kind: .style,
minSwiftVersion: .fourDotOne,
nonTriggeringExamples: [],
triggeringExamples: [],
corrections: [
Example("""
class Foo {
weak class final var bar: UIView?
}
"""):
Example("""
class Foo {
weak final class var bar: UIView?
}
"""),
Example("""
class Foo {
static weak final var bar: UIView?
}
"""):
Example("""
class Foo {
final weak static var bar: UIView?
}
"""),
Example("""
class Foo {
class final weak var bar: UIView?
}
"""):
Example("""
class Foo {
final class weak var bar: UIView?
}
"""),
Example("""
class Foo {
@objc
private
private(set)
class
final
var bar: UIView?
}
"""):
Example("""
class Foo {
@objc
final
private(set)
private
class
var bar: UIView?
}
"""),
Example("""
class Foo {
var bar: UIView?
}
"""):
Example("""
class Foo {
var bar: UIView?
}
""")
]
)
verifyRule(descriptionOverride,
ruleConfiguration: ["preferred_modifier_order": ["final", "override", "acl", "typeMethods"]])
}
func testTypeMethodClassCorrection() {
let descriptionOverride = RuleDescription(
identifier: "modifier_order",
name: "Modifier Order",
description: "Modifier order should be consistent.",
kind: .style,
minSwiftVersion: .fourDotOne,
nonTriggeringExamples: [],
triggeringExamples: [],
corrections: [
Example("""
private final class Foo {}
"""):
Example("""
final private class Foo {}
"""),
Example("""
public protocol Foo: class {}\n
"""):
Example("""
public protocol Foo: class {}\n
""")
]
)
verifyRule(descriptionOverride,
ruleConfiguration: ["preferred_modifier_order": ["final", "typeMethods", "acl"]])
}
func testViolationMessage() {
guard SwiftVersion.current >= ModifierOrderRule.description.minSwiftVersion else {
return
}
let ruleID = ModifierOrderRule.description.identifier
guard let config = makeConfig(["preferred_modifier_order": ["acl", "final"]], ruleID) else {
XCTFail("Failed to create configuration")
return
}
let allViolations = violations(Example("final public var foo: String"), config: config)
let modifierOrderRuleViolation = allViolations.first { $0.ruleIdentifier == ruleID }
if let violation = modifierOrderRuleViolation {
XCTAssertEqual(violation.reason, "public modifier should be before final.")
} else {
XCTFail("A modifier order violation should have been triggered!")
}
}
}