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|
final class GuardStmtTests: PrettyPrintTestCase {
func testGuardStatement() {
let input =
"""
guard var1 > var2 else {
let a = 23
var b = "abc"
}
guard var1, var2 > var3 else {
let a = 23
var b = "abc"
}
guard let var1 = someFunction(), let var2 = myFun() else {
let a = 23
var b = "abc"
}
guard let var1 = someFunction(), let var2 = myLongFunction() else {
let a = 23
var b = "abc"
}
"""
let expected =
"""
guard var1 > var2 else {
let a = 23
var b = "abc"
}
guard var1, var2 > var3 else {
let a = 23
var b = "abc"
}
guard let var1 = someFunction(),
let var2 = myFun()
else {
let a = 23
var b = "abc"
}
guard let var1 = someFunction(),
let var2 = myLongFunction()
else {
let a = 23
var b = "abc"
}
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 35)
}
func testGuardWithFuncCall() {
let input =
"""
guard let myvar = myClass.itsFunc(first: .someStuff, second: .moreStuff).first else {
// do stuff
}
guard let myvar1 = myClass.itsFunc(first: .someStuff, second: .moreStuff).first,
let myvar2 = myClass.diffFunc(first: .someStuff, second: .moreStuff).first else {
// do stuff
}
"""
let expected =
"""
guard
let myvar = myClass.itsFunc(
first: .someStuff,
second: .moreStuff
).first
else {
// do stuff
}
guard
let myvar1 = myClass.itsFunc(
first: .someStuff,
second: .moreStuff
).first,
let myvar2 = myClass.diffFunc(
first: .someStuff,
second: .moreStuff
).first
else {
// do stuff
}
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 35)
}
func testOpenBraceIsGluedToElseKeyword() {
let input =
"""
guard let foo = something,
let bar = somethingElse else
{
body()
}
"""
let expected =
"""
guard let foo = something,
let bar = somethingElse
else {
body()
}
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 60)
}
func testContinuationLineBreaking() {
let input =
"""
guard let someObject = object as? Int,
let anotherCastedObject = object as? SomeOtherSlightlyLongerType else {
return nil
}
guard let someObject = object as? SomeLongLineBreakingType,
let anotherCastedObject = object as? SomeOtherSlightlyLongerType else {
return nil
}
guard let someCastedObject = someFunc(foo, bar, baz, quxxe, far, fab, faz),
let anotherCastedObject = object as? SomeOtherSlightlyLongerType else {
return nil
}
guard let object1 = fetchingFunc(foo), let object2 = fetchingFunc(bar), let object3 = fetchingFunc(baz) else {
return nil
}
"""
let expected =
"""
guard let someObject = object as? Int,
let anotherCastedObject = object
as? SomeOtherSlightlyLongerType
else {
return nil
}
guard
let someObject = object
as? SomeLongLineBreakingType,
let anotherCastedObject = object
as? SomeOtherSlightlyLongerType
else {
return nil
}
guard
let someCastedObject = someFunc(
foo, bar, baz, quxxe, far, fab, faz),
let anotherCastedObject = object
as? SomeOtherSlightlyLongerType
else {
return nil
}
guard let object1 = fetchingFunc(foo),
let object2 = fetchingFunc(bar),
let object3 = fetchingFunc(baz)
else {
return nil
}
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 40)
}
func testOptionalBindingConditions() {
let input =
"""
guard let someObject: Foo = object as? Int else {
return nil
}
guard let someObject: (foo: Foo, bar: SomeVeryLongTypeNameThatBreaks, baz: Baz) = foo(a, b, c, d) else { return nil }
"""
let expected =
"""
guard
let someObject: Foo = object as? Int
else {
return nil
}
guard
let someObject:
(
foo: Foo,
bar:
SomeVeryLongTypeNameThatBreaks,
baz: Baz
) = foo(a, b, c, d)
else { return nil }
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 40)
}
func testParenthesizedClauses() {
let input =
"""
guard foo && (
bar < 1 || bar > 1
) && baz else {
// do something
}
guard muchLongerFoo && (
muchLongerBar < 1 || muchLongerBar > 1
) && baz else {
// do something
}
guard muchLongerFoo && (
muchLongerBar < 1 || muchLongerBar > 100000000
) && baz else {
// do something
}
guard muchLongerFoo && (
muchLongerBar < 1 || muchLongerBar > 100000000 || (
extraTerm1 + extraTerm2 + extraTerm3
)
) && baz else {
// do something
}
"""
let expected =
"""
guard foo && (bar < 1 || bar > 1) && baz else {
// do something
}
guard
muchLongerFoo
&& (muchLongerBar < 1 || muchLongerBar > 1)
&& baz
else {
// do something
}
guard
muchLongerFoo
&& (muchLongerBar < 1
|| muchLongerBar > 100000000)
&& baz
else {
// do something
}
guard
muchLongerFoo
&& (muchLongerBar < 1
|| muchLongerBar > 100000000
|| (extraTerm1 + extraTerm2 + extraTerm3))
&& baz
else {
// do something
}
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 50)
}
func testCompoundClauses() {
let input =
"""
guard foo &&
bar < 1 || bar
> 1,
let quxxe = 0
else {
// do something
}
guard
bar < 1 && (
baz
> 1
),
let quxxe = 0
else {
// blah
}
"""
let expected =
"""
guard
foo && bar < 1
|| bar
> 1,
let quxxe = 0
else {
// do something
}
guard
bar < 1
&& (baz
> 1),
let quxxe = 0
else {
// blah
}
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 50)
}
}
|
