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Disallow TimeSpan.Zero in rate limiters #75496

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merged 2 commits into from
Sep 26, 2022
Merged

Disallow TimeSpan.Zero in rate limiters #75496

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dc6dedc
Disallow TimeSpan.Zero in rate limiters
BrennanConroy Sep 13, 2022
22b71fd
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BrennanConroy Sep 22, 2022
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9 changes: 9 additions & 0 deletions src/libraries/System.Threading.RateLimiting/src/Resources/Strings.resx
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Original file line number Diff line number Diff line change
Expand Up @@ -126,4 +126,13 @@
<data name="ReplenishmentLimitTooHigh" xml:space="preserve">
<value>Over 49 days is not supported.</value>
</data>
<data name="ShouldBeGreaterThan0" xml:space="preserve">
<value>{0} must be set to a value greater than 0.</value>
</data>
<data name="ShouldBeGreaterThanOrEqual0" xml:space="preserve">
<value>{0} must be set to a value greater than or equal to 0.</value>
</data>
<data name="ShouldBeGreaterThanTimeSpan0" xml:space="preserve">
<value>{0} must be set to a value greater than TimeSpan.Zero.</value>
</data>
</root>
4 changes: 2 additions & 2 deletions ...ies/System.Threading.RateLimiting/src/System/Threading/RateLimiting/ConcurrencyLimiter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -47,11 +47,11 @@ public ConcurrencyLimiter(ConcurrencyLimiterOptions options)
}
if (options.PermitLimit <= 0)
{
throw new ArgumentException($"{nameof(options.PermitLimit)} must be set to a value greater than 0.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThan0, nameof(options.PermitLimit)), nameof(options));
}
if (options.QueueLimit < 0)
{
throw new ArgumentException($"{nameof(options.QueueLimit)} must be set to a value greater than or equal to 0.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThanOrEqual0, nameof(options.QueueLimit)), nameof(options));
}

_options = new ConcurrencyLimiterOptions
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8 changes: 4 additions & 4 deletions ...System.Threading.RateLimiting/src/System/Threading/RateLimiting/FixedWindowRateLimiter.cs
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Expand Up @@ -53,15 +53,15 @@ public FixedWindowRateLimiter(FixedWindowRateLimiterOptions options)
}
if (options.PermitLimit <= 0)
{
throw new ArgumentException($"{nameof(options.PermitLimit)} must be set to a value greater than 0.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThan0, nameof(options.PermitLimit)), nameof(options));
}
if (options.QueueLimit < 0)
{
throw new ArgumentException($"{nameof(options.QueueLimit)} must be set to a value greater than or equal to 0.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThanOrEqual0, nameof(options.QueueLimit)), nameof(options));
}
if (options.Window < TimeSpan.Zero)
if (options.Window <= TimeSpan.Zero)
{
throw new ArgumentException($"{nameof(options.Window)} must be set to a value greater than or equal to TimeSpan.Zero.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThanTimeSpan0, nameof(options.Window)), nameof(options));
}

_options = new FixedWindowRateLimiterOptions
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3 changes: 1 addition & 2 deletions ...Threading.RateLimiting/src/System/Threading/RateLimiting/FixedWindowRateLimiterOptions.cs
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Expand Up @@ -10,9 +10,8 @@ public sealed class FixedWindowRateLimiterOptions
{
/// <summary>
/// Specifies the time window that takes in the requests.
/// Must be set to a value >= <see cref="TimeSpan.Zero" /> by the time these options are passed to the constructor of <see cref="FixedWindowRateLimiter"/>.
/// Must be set to a value greater than <see cref="TimeSpan.Zero" /> by the time these options are passed to the constructor of <see cref="FixedWindowRateLimiter"/>.
/// </summary>
/// <remarks><see cref="TimeSpan.Zero"/> means the limiter will never replenish.</remarks>
public TimeSpan Window { get; set; } = TimeSpan.Zero;

/// <summary>
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14 changes: 9 additions & 5 deletions ...stem.Threading.RateLimiting/src/System/Threading/RateLimiting/SlidingWindowRateLimiter.cs
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Expand Up @@ -55,17 +55,21 @@ public SlidingWindowRateLimiter(SlidingWindowRateLimiterOptions options)
{
throw new ArgumentNullException(nameof(options));
}
if (options.PermitLimit <= 0 || options.SegmentsPerWindow <= 0)
if (options.PermitLimit <= 0)
{
throw new ArgumentException($"Both {nameof(options.PermitLimit)} and {nameof(options.SegmentsPerWindow)} must be set to values greater than 0.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThan0, nameof(options.PermitLimit)), nameof(options));
}
if (options.SegmentsPerWindow <= 0)
{
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThan0, nameof(options.SegmentsPerWindow)), nameof(options));
}
if (options.QueueLimit < 0)
{
throw new ArgumentException($"{nameof(options.QueueLimit)} must be set to a value greater than or equal to 0.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThanOrEqual0, nameof(options.QueueLimit)), nameof(options));
}
if (options.Window < TimeSpan.Zero)
if (options.Window <= TimeSpan.Zero)
{
throw new ArgumentException($"{nameof(options.Window)} must be set to a value greater than or equal to TimeSpan.Zero.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThanTimeSpan0, nameof(options.Window)), nameof(options));
}

_options = new SlidingWindowRateLimiterOptions
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3 changes: 1 addition & 2 deletions ...reading.RateLimiting/src/System/Threading/RateLimiting/SlidingWindowRateLimiterOptions.cs
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Expand Up @@ -10,9 +10,8 @@ public sealed class SlidingWindowRateLimiterOptions
{
/// <summary>
/// Specifies the minimum period between replenishments.
/// Must be set to a value >= <see cref="TimeSpan.Zero" /> by the time these options are passed to the constructor of <see cref="SlidingWindowRateLimiter"/>.
/// Must be set to a value greater than <see cref="TimeSpan.Zero" /> by the time these options are passed to the constructor of <see cref="SlidingWindowRateLimiter"/>.
/// </summary>
/// <remarks><see cref="TimeSpan.Zero"/> means the limiter will never replenish.</remarks>
public TimeSpan Window { get; set; } = TimeSpan.Zero;

/// <summary>
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14 changes: 9 additions & 5 deletions ...System.Threading.RateLimiting/src/System/Threading/RateLimiting/TokenBucketRateLimiter.cs
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Expand Up @@ -53,17 +53,21 @@ public TokenBucketRateLimiter(TokenBucketRateLimiterOptions options)
{
throw new ArgumentNullException(nameof(options));
}
if (options.TokenLimit <= 0 || options.TokensPerPeriod <= 0)
if (options.TokenLimit <= 0)
{
throw new ArgumentException($"Both {nameof(options.TokenLimit)} and {nameof(options.TokensPerPeriod)} must be set to values greater than 0.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThan0, nameof(options.TokenLimit)), nameof(options));
}
if (options.TokensPerPeriod <= 0)
{
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThan0, nameof(options.TokensPerPeriod)), nameof(options));
}
if (options.QueueLimit < 0)
{
throw new ArgumentException($"{nameof(options.QueueLimit)} must be set to a value greater than or equal to 0.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThanOrEqual0, nameof(options.QueueLimit)), nameof(options));
}
if (options.ReplenishmentPeriod < TimeSpan.Zero)
if (options.ReplenishmentPeriod <= TimeSpan.Zero)
{
throw new ArgumentException($"{nameof(options.ReplenishmentPeriod)} must be set to a value greater than or equal to TimeSpan.Zero.", nameof(options));
throw new ArgumentException(SR.Format(SR.ShouldBeGreaterThanTimeSpan0, nameof(options.ReplenishmentPeriod)), nameof(options));
}

_options = new TokenBucketRateLimiterOptions
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3 changes: 1 addition & 2 deletions ...Threading.RateLimiting/src/System/Threading/RateLimiting/TokenBucketRateLimiterOptions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,9 +10,8 @@ public sealed class TokenBucketRateLimiterOptions
{
/// <summary>
/// Specifies the minimum period between replenishments.
/// Must be set to a value >= <see cref="TimeSpan.Zero" /> by the time these options are passed to the constructor of <see cref="TokenBucketRateLimiter"/>.
/// Must be set to a value greater than <see cref="TimeSpan.Zero" /> by the time these options are passed to the constructor of <see cref="TokenBucketRateLimiter"/>.
/// </summary>
/// <remarks><see cref="TimeSpan.Zero"/> means the limiter will never replenish.</remarks>
public TimeSpan ReplenishmentPeriod { get; set; } = TimeSpan.Zero;

/// <summary>
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4 changes: 2 additions & 2 deletions src/libraries/System.Threading.RateLimiting/tests/ConcurrencyLimiterTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,13 +11,13 @@ public class ConcurrencyLimiterTests : BaseRateLimiterTests
[Fact]
public override void InvalidOptionsThrows()
{
Assert.Throws<ArgumentException>(() => new ConcurrencyLimiter(new ConcurrencyLimiterOptions
AssertExtensions.Throws<ArgumentException>("options", () => new ConcurrencyLimiter(new ConcurrencyLimiterOptions
{
PermitLimit = -1,
QueueProcessingOrder = QueueProcessingOrder.NewestFirst,
QueueLimit = 1
}));
Assert.Throws<ArgumentException>(() => new ConcurrencyLimiter(new ConcurrencyLimiterOptions
AssertExtensions.Throws<ArgumentException>("options", () => new ConcurrencyLimiter(new ConcurrencyLimiterOptions
{
PermitLimit = 1,
QueueProcessingOrder = QueueProcessingOrder.NewestFirst,
Expand Down
17 changes: 13 additions & 4 deletions src/libraries/System.Threading.RateLimiting/tests/FixedWindowRateLimiterTests.cs
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Expand Up @@ -35,7 +35,7 @@ public override void CanAcquireResource()
[Fact]
public override void InvalidOptionsThrows()
{
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new FixedWindowRateLimiter(new FixedWindowRateLimiterOptions
{
PermitLimit = -1,
Expand All @@ -44,7 +44,7 @@ public override void InvalidOptionsThrows()
Window = TimeSpan.FromMinutes(2),
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new FixedWindowRateLimiter(new FixedWindowRateLimiterOptions
{
PermitLimit = 1,
Expand All @@ -53,7 +53,7 @@ public override void InvalidOptionsThrows()
Window = TimeSpan.FromMinutes(2),
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new FixedWindowRateLimiter(new FixedWindowRateLimiterOptions
{
PermitLimit = 1,
Expand All @@ -62,7 +62,7 @@ public override void InvalidOptionsThrows()
Window = TimeSpan.MinValue,
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new FixedWindowRateLimiter(new FixedWindowRateLimiterOptions
{
PermitLimit = 1,
Expand All @@ -71,6 +71,15 @@ public override void InvalidOptionsThrows()
Window = TimeSpan.FromMinutes(-2),
AutoReplenishment = false,
}));
AssertExtensions.Throws<ArgumentException>("options",
() => new FixedWindowRateLimiter(new FixedWindowRateLimiterOptions
{
PermitLimit = 1,
QueueProcessingOrder = QueueProcessingOrder.NewestFirst,
QueueLimit = 1,
Window = TimeSpan.Zero,
AutoReplenishment = false,
}));
}

[Fact]
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20 changes: 15 additions & 5 deletions src/libraries/System.Threading.RateLimiting/tests/SlidingWindowRateLimiterTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ public override void CanAcquireResource()
[Fact]
public override void InvalidOptionsThrows()
{
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new SlidingWindowRateLimiter(new SlidingWindowRateLimiterOptions
{
PermitLimit = -1,
Expand All @@ -47,7 +47,7 @@ public override void InvalidOptionsThrows()
SegmentsPerWindow = 1,
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new SlidingWindowRateLimiter(new SlidingWindowRateLimiterOptions
{
PermitLimit = 1,
Expand All @@ -57,7 +57,7 @@ public override void InvalidOptionsThrows()
SegmentsPerWindow = 1,
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new SlidingWindowRateLimiter(new SlidingWindowRateLimiterOptions
{
PermitLimit = 1,
Expand All @@ -67,7 +67,7 @@ public override void InvalidOptionsThrows()
SegmentsPerWindow = -1,
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new SlidingWindowRateLimiter(new SlidingWindowRateLimiterOptions
{
PermitLimit = 1,
Expand All @@ -77,7 +77,7 @@ public override void InvalidOptionsThrows()
SegmentsPerWindow = 1,
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new SlidingWindowRateLimiter(new SlidingWindowRateLimiterOptions
{
PermitLimit = 1,
Expand All @@ -87,6 +87,16 @@ public override void InvalidOptionsThrows()
SegmentsPerWindow = 1,
AutoReplenishment = false
}));
AssertExtensions.Throws<ArgumentException>("options",
() => new SlidingWindowRateLimiter(new SlidingWindowRateLimiterOptions
{
PermitLimit = 1,
QueueProcessingOrder = QueueProcessingOrder.NewestFirst,
QueueLimit = 1,
Window = TimeSpan.Zero,
SegmentsPerWindow = 1,
AutoReplenishment = false
}));
}

[Fact]
Expand Down
20 changes: 15 additions & 5 deletions src/libraries/System.Threading.RateLimiting/tests/TokenBucketRateLimiterTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ public override void CanAcquireResource()
[Fact]
public override void InvalidOptionsThrows()
{
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new TokenBucketRateLimiter(new TokenBucketRateLimiterOptions
{
TokenLimit = -1,
Expand All @@ -47,7 +47,7 @@ public override void InvalidOptionsThrows()
TokensPerPeriod = 1,
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new TokenBucketRateLimiter(new TokenBucketRateLimiterOptions
{
TokenLimit = 1,
Expand All @@ -57,7 +57,7 @@ public override void InvalidOptionsThrows()
TokensPerPeriod = 1,
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new TokenBucketRateLimiter(new TokenBucketRateLimiterOptions
{
TokenLimit = 1,
Expand All @@ -67,7 +67,7 @@ public override void InvalidOptionsThrows()
TokensPerPeriod = -1,
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new TokenBucketRateLimiter(new TokenBucketRateLimiterOptions
{
TokenLimit = 1,
Expand All @@ -77,7 +77,7 @@ public override void InvalidOptionsThrows()
TokensPerPeriod = 1,
AutoReplenishment = false
}));
Assert.Throws<ArgumentException>(
AssertExtensions.Throws<ArgumentException>("options",
() => new TokenBucketRateLimiter(new TokenBucketRateLimiterOptions
{
TokenLimit = 1,
Expand All @@ -87,6 +87,16 @@ public override void InvalidOptionsThrows()
TokensPerPeriod = 1,
AutoReplenishment = false
}));
AssertExtensions.Throws<ArgumentException>("options",
() => new TokenBucketRateLimiter(new TokenBucketRateLimiterOptions
{
TokenLimit = 1,
QueueProcessingOrder = QueueProcessingOrder.NewestFirst,
QueueLimit = 1,
ReplenishmentPeriod = TimeSpan.Zero,
TokensPerPeriod = 1,
AutoReplenishment = false
}));
}

[Fact]
Expand Down