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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Aspire.Hosting.Tests.Utils;
using Microsoft.AspNetCore.InternalTesting;
using Xunit;
namespace Aspire.Hosting.Tests;
public class ExpressionResolverTests
{
[Theory]
[InlineData("TwoFullEndpoints", false, false, "Test1=http://127.0.0.1:12345/;Test2=https://localhost:12346/;")]
[InlineData("TwoFullEndpoints", false, true, "Test1=http://127.0.0.1:12345/;Test2=https://localhost:12346/;")]
[InlineData("TwoFullEndpoints", true, false, "Test1=http://ContainerHostName:12345/;Test2=https://ContainerHostName:12346/;")]
[InlineData("TwoFullEndpoints", true, true, "Test1=http://testresource:10000/;Test2=https://testresource:10001/;")]
[InlineData("Url", false, false, "Url=http://localhost:12345;")]
[InlineData("Url", false, true, "Url=http://localhost:12345;")]
[InlineData("Url", true, false, "Url=http://ContainerHostName:12345;")]
[InlineData("Url", true, true, "Url=http://testresource:10000;")]
[InlineData("Url2", true, false, "Url=http://ContainerHostName:12345;")]
[InlineData("Url2", true, true, "Url=http://testresource:10000;")]
[InlineData("OnlyHost", true, false, "Host=ContainerHostName;")]
[InlineData("OnlyHost", true, true, "Host=localhost;")] // host not replaced since no port
[InlineData("OnlyPort", true, false, "Port=12345;")]
[InlineData("OnlyPort", true, true, "Port=12345;")] // port not replaced since no host
[InlineData("PortBeforeHost", true, false, "Port=12345;Host=ContainerHostName;")]
[InlineData("PortBeforeHost", true, true, "Port=10000;Host=testresource;")]
[InlineData("FullAndPartial", true, false, "Test1=http://ContainerHostName:12345/;Test2=https://localhost:12346/;")]
[InlineData("FullAndPartial", true, true, "Test1=http://testresource:10000/;Test2=https://localhost:12346/;")] // Second port not replaced since host is hard coded
public async Task ExpressionResolverGeneratesCorrectStrings(string exprName, bool sourceIsContainer, bool targetIsContainer, string expectedConnectionString)
{
var builder = DistributedApplication.CreateBuilder();
var target = builder.AddResource(new TestExpressionResolverResource(exprName))
.WithEndpoint("endpoint1", e =>
{
e.UriScheme = "http";
e.AllocatedEndpoint = new(e, "localhost", 12345, containerHostAddress: targetIsContainer ? "ContainerHostName" : null, targetPortExpression: "10000");
})
.WithEndpoint("endpoint2", e =>
{
e.UriScheme = "https";
e.AllocatedEndpoint = new(e, "localhost", 12346, containerHostAddress: "ContainerHostName", targetPortExpression: "10001");
});
if (targetIsContainer)
{
target = target.WithImage("someimage");
}
// First test ExpressionResolver directly
var csRef = new ConnectionStringReference(target.Resource, false);
var connectionString = await ExpressionResolver.ResolveAsync(sourceIsContainer, csRef, "ContainerHostName", CancellationToken.None).DefaultTimeout();
Assert.Equal(expectedConnectionString, connectionString.Value);
// Then test it indirectly with a resource reference, which exercises a more complete code path
var source = builder.AddResource(new ContainerResource("testSource"))
.WithReference(target);
if (sourceIsContainer)
{
source = source.WithImage("someimage");
}
var config = await EnvironmentVariableEvaluator.GetEnvironmentVariablesAsync(source.Resource, DistributedApplicationOperation.Run, TestServiceProvider.Instance, "ContainerHostName").DefaultTimeout();
Assert.Equal(expectedConnectionString, config["ConnectionStrings__testresource"]);
}
[Theory]
[InlineData(false, "http://localhost:18889", "http://localhost:18889")]
[InlineData(true, "http://localhost:18889", "http://ContainerHostName:18889")]
[InlineData(false, "http://127.0.0.1:18889", "http://127.0.0.1:18889")]
[InlineData(true, "http://127.0.0.1:18889", "http://ContainerHostName:18889")]
[InlineData(false, "http://[::1]:18889", "http://[::1]:18889")]
[InlineData(true, "http://[::1]:18889", "http://ContainerHostName:18889")]
[InlineData(false, "Server=localhost,1433;User ID=sa;Password=xxx;Database=yyy", "Server=localhost,1433;User ID=sa;Password=xxx;Database=yyy")]
[InlineData(true, "Server=localhost,1433;User ID=sa;Password=xxx;Database=yyy", "Server=ContainerHostName,1433;User ID=sa;Password=xxx;Database=yyy")]
[InlineData(false, "Server=127.0.0.1,1433;User ID=sa;Password=xxx;Database=yyy", "Server=127.0.0.1,1433;User ID=sa;Password=xxx;Database=yyy")]
[InlineData(true, "Server=127.0.0.1,1433;User ID=sa;Password=xxx;Database=yyy", "Server=ContainerHostName,1433;User ID=sa;Password=xxx;Database=yyy")]
[InlineData(false, "Server=[::1],1433;User ID=sa;Password=xxx;Database=yyy", "Server=[::1],1433;User ID=sa;Password=xxx;Database=yyy")]
[InlineData(true, "Server=[::1],1433;User ID=sa;Password=xxx;Database=yyy", "Server=ContainerHostName,1433;User ID=sa;Password=xxx;Database=yyy")]
public async Task HostUrlPropertyGetsResolved(bool container, string hostUrlVal, string expectedValue)
{
var builder = DistributedApplication.CreateBuilder();
var test = builder.AddResource(new ContainerResource("testSource"))
.WithEnvironment(env =>
{
env.EnvironmentVariables["envname"] = new HostUrl(hostUrlVal);
});
if (container)
{
test = test.WithImage("someimage");
}
var config = await EnvironmentVariableEvaluator.GetEnvironmentVariablesAsync(test.Resource, DistributedApplicationOperation.Run, TestServiceProvider.Instance, "ContainerHostName").DefaultTimeout();
Assert.Equal(expectedValue, config["envname"]);
}
[Theory]
[InlineData(false, "http://localhost:18889")]
[InlineData(true, "http://ContainerHostName:18889")]
public async Task HostUrlPropertyGetsResolvedInOtlpExporterEndpoint(bool container, string expectedValue)
{
var builder = DistributedApplication.CreateBuilder();
var test = builder.AddResource(new ContainerResource("testSource"))
.WithOtlpExporter();
if (container)
{
test = test.WithImage("someimage");
}
var config = await EnvironmentVariableEvaluator.GetEnvironmentVariablesAsync(test.Resource, DistributedApplicationOperation.Run, TestServiceProvider.Instance, "ContainerHostName").DefaultTimeout();
Assert.Equal(expectedValue, config["OTEL_EXPORTER_OTLP_ENDPOINT"]);
}
}
sealed class TestExpressionResolverResource : ContainerResource, IResourceWithEndpoints, IResourceWithConnectionString
{
readonly string _exprName;
EndpointReference Endpoint1 => new(this, "endpoint1");
EndpointReference Endpoint2 => new(this, "endpoint2");
Dictionary<string, ReferenceExpression> Expressions { get; }
public TestExpressionResolverResource(string exprName) : base("testresource")
{
_exprName = exprName;
Expressions = new()
{
{ "TwoFullEndpoints", ReferenceExpression.Create($"Test1={Endpoint1.Property(EndpointProperty.Scheme)}://{Endpoint1.Property(EndpointProperty.IPV4Host)}:{Endpoint1.Property(EndpointProperty.Port)}/;Test2={Endpoint2.Property(EndpointProperty.Scheme)}://{Endpoint2.Property(EndpointProperty.Host)}:{Endpoint2.Property(EndpointProperty.Port)}/;") },
{ "Url", ReferenceExpression.Create($"Url={Endpoint1.Property(EndpointProperty.Url)};") },
{ "Url2", ReferenceExpression.Create($"Url={Endpoint1};") },
{ "OnlyHost", ReferenceExpression.Create($"Host={Endpoint1.Property(EndpointProperty.Host)};") },
{ "OnlyPort", ReferenceExpression.Create($"Port={Endpoint1.Property(EndpointProperty.Port)};") },
{ "PortBeforeHost", ReferenceExpression.Create($"Port={Endpoint1.Property(EndpointProperty.Port)};Host={Endpoint1.Property(EndpointProperty.Host)};") },
{ "FullAndPartial", ReferenceExpression.Create($"Test1={Endpoint1.Property(EndpointProperty.Scheme)}://{Endpoint1.Property(EndpointProperty.IPV4Host)}:{Endpoint1.Property(EndpointProperty.Port)}/;Test2={Endpoint2.Property(EndpointProperty.Scheme)}://localhost:{Endpoint2.Property(EndpointProperty.Port)}/;") }
};
}
public ReferenceExpression ConnectionStringExpression => Expressions[_exprName];
}
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