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YAMLWriterTests.swift
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//
// YAMLWriterTests.swift
// PotentCodables
//
// Copyright © 2021 Outfox, inc.
//
//
// Distributed under the MIT License, See LICENSE for details.
//
import Foundation
@testable import PotentYAML
import XCTest
class YAMLWriterTests: XCTestCase {
func testWriteScalarCompact() throws {
let options = YAMLWriter.Options(pretty: false)
XCTAssertEqual(
try YAMLWriter.write(["simple"], options: options),
"""
simple
"""
)
}
func testWriteScalarExplicitDocumentMarkers() throws {
let options = YAMLWriter.Options(pretty: false, explicitDocumentMarkers: true)
XCTAssertEqual(
try YAMLWriter.write(["simple"], options: options),
"""
---
simple
...
"""
)
}
func testWriteScalarPretty() throws {
let options = YAMLWriter.Options(pretty: true)
XCTAssertEqual(
try YAMLWriter.write(["simple"], options: options),
"""
---
simple
...
"""
)
}
func testWriteStringValidSpecialPlain() throws {
let options = YAMLWriter.Options(pretty: false)
XCTAssertEqual(
try YAMLWriter.write(["simple :string"], options: options),
"""
simple :string
"""
)
XCTAssertEqual(
try YAMLWriter.write(["simple# string"], options: options),
"""
simple# string
"""
)
}
func testWriteStringInvalidSpecialPlain() throws {
let options = YAMLWriter.Options(preferredStringStyle: .plain, pretty: false)
XCTAssertEqual(
try YAMLWriter.write(["simple: string"], options: options),
"""
"simple: string"
"""
)
XCTAssertEqual(
try YAMLWriter.write(["simple:\nstring"], options: options),
#"""
"simple:\nstring"
"""#
)
XCTAssertEqual(
try YAMLWriter.write(["simple #string"], options: options),
"""
"simple #string"
"""
)
}
func testWriteStringPreferPlain() throws {
let options = YAMLWriter.Options(preferredStringStyle: .plain, pretty: false)
XCTAssertEqual(
try YAMLWriter.write(["simple\nstring"], options: options),
"""
simple
string
"""
)
}
func testWriteStringPreferSingleQuoted() throws {
let options = YAMLWriter.Options(preferredStringStyle: .singleQuoted, pretty: false)
XCTAssertEqual(
try YAMLWriter.write(["simple\nstring"], options: options),
"""
'simple
string'
"""
)
}
func testWriteStringPreferDoubleQuoted() throws {
let options = YAMLWriter.Options(preferredStringStyle: .doubleQuoted, pretty: false)
XCTAssertEqual(
try YAMLWriter.write(["simple\nstring"], options: options),
"""
"simple\\nstring"
"""
)
}
func testWriteStringPreferLiteral() throws {
let options = YAMLWriter.Options(preferredStringStyle: .literal, pretty: false)
XCTAssertEqual(
try YAMLWriter.write(["simple\nstring"], options: options),
"""
|-
simple
string
"""
)
}
func testWriteStringPreferFolded() throws {
let options = YAMLWriter.Options(preferredStringStyle: .folded, pretty: false)
XCTAssertEqual(
try YAMLWriter.write(["simple\nstring"], options: options),
"""
>-
simple
\
string
"""
)
}
func testWriteWidthNormal() throws {
let yamlVal: YAML =
"Long Text 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 1234567890"
let options = YAMLWriter.Options(width: .normal)
let yamlStr = try YAMLWriter.write([yamlVal], options: options)
XCTAssertEqual(
yamlStr,
"""
---
Long Text 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789
1234567890
...
"""
)
XCTAssertEqual(try YAMLReader.read(data: Data(yamlStr.utf8)).first, yamlVal)
}
func testWriteWidthNormalInBlock() throws {
let yamlVal: YAML = [
"a": "Long Text 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 1234567890"
]
let options = YAMLWriter.Options(preferredCollectionStyle: .block, width: .normal)
let yamlStr = try YAMLWriter.write([yamlVal], options: options)
XCTAssertEqual(
yamlStr,
"""
a: Long Text 123456789 123456789 123456789 123456789 123456789 123456789 123456789
123456789 1234567890
"""
)
XCTAssertEqual(try YAMLReader.read(data: Data(yamlStr.utf8)).first, yamlVal)
}
func testWriteMultipleDocuments() throws {
XCTAssertEqual(
try YAMLWriter.write([.bool(true), .integer(123)]),
"""
---
true
...
---
123
...
"""
)
}
func testWriteAliases() throws {
XCTAssertEqual(
try YAMLWriter.write([.alias("num")]),
"""
*num
"""
)
}
}