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Merge pull request #28 from AckeeCZ/date_formatting
Add date formatting extensions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| // | ||
| // DateFormatting.swift | ||
| // Skeleton | ||
| // | ||
| // Created by Jan Misar on 02.08.18. | ||
| // | ||
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| import Foundation | ||
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| /// Date formatters cached for future use | ||
| fileprivate var dateFormattersCache = [String: DateFormatter]() | ||
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| extension DateFormatter { | ||
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| /// Returns existing DateFormatter from cache or creates the new one | ||
| public static func cached(for template: String) -> DateFormatter { | ||
| if let cachedFormatter = dateFormattersCache[template] { | ||
| return cachedFormatter | ||
| } else { | ||
| let dateFormatter = DateFormatter() | ||
| dateFormatter.setLocalizedDateFormatFromTemplate(template) | ||
| dateFormattersCache[template] = dateFormatter | ||
| return dateFormatter | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| // | ||
| // DateFormattingTests.swift | ||
| // ACKategories-Example | ||
| // | ||
| // Created by Jan Misar on 02.08.18. | ||
| // Copyright © 2018 Ackee, s.r.o. All rights reserved. | ||
| // | ||
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| import XCTest | ||
| import ACKategories | ||
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| final class DateFormattingTests: XCTestCase { | ||
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| func testCachedDateFormatterWorks() { | ||
| let date = Date() | ||
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| let df1 = DateFormatter.cached(for: "DDMMYYYY") | ||
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| let df2 = DateFormatter() | ||
| df2.setLocalizedDateFormatFromTemplate("DDMMYYYY") | ||
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| XCTAssertEqual(df1.string(from: date), df2.string(from: date)) | ||
| } | ||
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| func testCachedDateFormatter() { | ||
| let df1 = DateFormatter.cached(for: "DDMMYYYY") | ||
| let df2 = DateFormatter.cached(for: "DDMMYYYY") | ||
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| XCTAssertEqual(df1, df2) | ||
| } | ||
| } |