James Wampler
b4a666ebf0
Extract IMicCheckDbContext so DB access can be mocked with Moq instead of the InMemory provider, per project testing guidelines. Add shared async DbSet test doubles (TestSupport/) to back the mocks. Rewrite HTTP-pipeline tests (WebApplicationFactory) to exercise controllers and auth handlers directly instead of running the web server. Drop DbContext/seeder tests that only made sense against a real provider, and remove stale duplicate test files left over from a namespace move.
44 lines
1.8 KiB
C#
44 lines
1.8 KiB
C#
using System.Linq.Expressions;
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using Microsoft.EntityFrameworkCore.Query;
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namespace MicCheck.Api.Tests.Unit.TestSupport;
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public class TestAsyncQueryProvider<T>(IQueryProvider innerProvider) : IAsyncQueryProvider
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{
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public IQueryable CreateQuery(Expression expression) =>
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new TestAsyncEnumerable<T>(StripIncludes(expression));
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public IQueryable<TElement> CreateQuery<TElement>(Expression expression) =>
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new TestAsyncEnumerable<TElement>(StripIncludes(expression));
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public object? Execute(Expression expression) =>
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innerProvider.Execute(StripIncludes(expression));
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public TResult Execute<TResult>(Expression expression) =>
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innerProvider.Execute<TResult>(StripIncludes(expression));
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public TResult ExecuteAsync<TResult>(Expression expression, CancellationToken cancellationToken = default)
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{
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var stripped = StripIncludes(expression);
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var resultType = typeof(TResult).GetGenericArguments() is [var inner] ? inner : typeof(TResult);
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var executionResult = typeof(IQueryProvider)
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.GetMethod(nameof(IQueryProvider.Execute), 1, [typeof(Expression)])!
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.MakeGenericMethod(resultType)
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.Invoke(innerProvider, [stripped]);
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return (TResult)typeof(Task).GetMethod(nameof(Task.FromResult))!
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.MakeGenericMethod(resultType)
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.Invoke(null, [executionResult])!;
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}
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private static Expression StripIncludes(Expression expression) => new IncludeStripVisitor().Visit(expression);
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private sealed class IncludeStripVisitor : ExpressionVisitor
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{
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protected override Expression VisitMethodCall(MethodCallExpression node) =>
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node.Method.Name is "Include" or "ThenInclude"
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? Visit(node.Arguments[0])
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: base.VisitMethodCall(node);
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}
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}
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