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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This source file is part of the SwiftPrometheus open source project | ||
| // | ||
| // Copyright (c) 2024 SwiftPrometheus project authors | ||
| // Licensed under Apache License v2.0 | ||
| // | ||
| // See LICENSE.txt for license information | ||
| // See CONTRIBUTORS.txt for the list of SwiftPrometheus project authors | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
|
||
| import Prometheus | ||
| import XCTest | ||
|
|
||
| final class ValidNamesTests: XCTestCase { | ||
| func testCounterWithEmoji() { | ||
| let client = PrometheusCollectorRegistry() | ||
| let counter = client.makeCounter(name: "coffee☕️", labels: []) | ||
| counter.increment() | ||
|
|
||
| var buffer = [UInt8]() | ||
| client.emit(into: &buffer) | ||
| XCTAssertEqual( | ||
| String(decoding: buffer, as: Unicode.UTF8.self), | ||
| """ | ||
| # TYPE coffee_ counter | ||
| coffee_ 1 | ||
| """ | ||
| ) | ||
| } | ||
|
|
||
| func testIllegalMetricNames() async throws { | ||
| let registry = PrometheusCollectorRegistry() | ||
|
|
||
| /// Notably, newlines must not allow creating whole new metric root | ||
| let tests = [ | ||
| "name", | ||
| """ | ||
| name{bad="haha"} 121212121 | ||
| bad_bad 12321323 | ||
| """ | ||
| ] | ||
|
|
||
| for test in tests { | ||
| registry.makeCounter( | ||
| name: test, | ||
| labels: [] | ||
| ).increment() | ||
| } | ||
|
|
||
| var buffer = [UInt8]() | ||
| registry.emit(into: &buffer) | ||
| XCTAssertEqual( | ||
| String(decoding: buffer, as: Unicode.UTF8.self).split(separator: "\n").sorted().joined(separator: "\n"), | ||
| """ | ||
| # TYPE name counter | ||
| # TYPE name_bad__haha___121212121_bad_bad_12321323 counter | ||
| name 1 | ||
| name_bad__haha___121212121_bad_bad_12321323 1 | ||
| """ | ||
| ) | ||
| } | ||
|
|
||
| func testIllegalLabelNames() async throws { | ||
| let registry = PrometheusCollectorRegistry() | ||
|
|
||
| let tests = [ | ||
| """ | ||
| name{bad="haha"} 121212121 | ||
| bad_bad 12321323 | ||
| """ | ||
| ] | ||
|
|
||
| for test in tests { | ||
| registry.makeCounter( | ||
| name: "metric", | ||
| labels: [(test, "value")] | ||
| ).increment() | ||
| } | ||
|
|
||
| var buffer = [UInt8]() | ||
| registry.emit(into: &buffer) | ||
| XCTAssertEqual( | ||
| String(decoding: buffer, as: Unicode.UTF8.self).split(separator: "\n").sorted().joined(separator: "\n"), | ||
| """ | ||
| # TYPE metric counter | ||
| metric{name_bad__haha___121212121_bad_bad_12321323="value"} 1 | ||
| """ | ||
| ) | ||
| } | ||
| } |