▸case-07 Our EF Core LINQ queries against Cosmos DB are taking a long time and consuming excessive Request Units (RUs) because EF Core performs cross-partition scans by default. What model configuration is required on entities to ensure optimal query performance and target specific partitions? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-10 We have an existing Cosmos DB emulator running in our CI pipeline on a dedicated host. What specific environment variable must we set so the integration test suite connects to this emulator instead of spinning up a container? | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-11 When authoring a test condition check for Cosmos DB integration tests on Linux emulator, what property name on CosmosTestEnvironment checks if the environment is NOT running the Linux emulator? | pass→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-08 How does EF Core's query execution architecture for Azure Cosmos DB differ from traditional relational providers like SQL Server in terms of pipeline design and document materialization? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-12 A developer tries running dotnet ef migrations add InitialCreate in a project configured solely with the EF Core Azure Cosmos DB provider. Should EF Core migrations be generated or used with this provider? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-22 In an EF Core SQL Server relational database design, how do we configure a foreign key relationship between Order and Customer and query them using LINQ Include to generate SQL INNER JOIN statements? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-09 When running Cosmos DB integration tests locally, what happens during test initialization if Test__Cosmos__DefaultConnection is omitted from the environment variables? | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-02 How does the test environment setup work for Cosmos DB EF Core tests when initializing local containers versus pointing to an existing emulator instance via environment variables? | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-04 In an EF Core application using Azure Cosmos DB, we have an entity with owned entity types like Address and OrderDetails. Developers expect these owned types to be split into separate relational tables or separate collections. How does EF Core actually store owned and complex types in Cosmos DB? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-05 We need optimistic concurrency control for documents in EF Core with Azure Cosmos DB. Developers are trying to configure a byte array RowVersion column with .IsRowVersion(). What mechanism does EF Core Cosmos DB provider use for optimistic concurrency? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-17 Which Testcontainers integration package or class is utilized by the test suite to spin up a Cosmos DB instance during test setup? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-03 We are configuring database initialization in EF Core for an Azure Cosmos DB database. Team members are attempting to run DbContext.Database.Migrate() during startup, but it throws an exception. How should schema and container creation be handled in EF Core for Cosmos DB? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-21 We are using the direct Microsoft.Azure.Cosmos SDK (v3) in a C# background worker without EF Core. How do we asynchronously iterate through query results across pages using Container.GetItemQueryIterator? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-19 What data format does the EF Core Cosmos DB provider use when materializing documents back into entity instances? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-13 When configuring concurrency tokens in EF Core Fluent API for Cosmos DB, which property name/token on the JSON document must be mapped for optimistic concurrency checks? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-06 We are designing a query in EF Core that attempts to join entities from two different containers, similar to a SQL INNER JOIN across tables. Will EF Core Cosmos DB provider execute cross-container joins in LINQ queries? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-15 If an entity has multiple nested complex objects and collections of owned types in EF Core Cosmos DB, how are these rendered in the underlying database store? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-01 We are setting up integration tests for our EF Core Azure Cosmos DB provider. Some tests rely on features not supported by the Linux emulator. What attribute or mechanism should we apply to our test methods so they automatically skip when executing on the Linux emulator? | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-14 A developer wrote a LINQ query combining context.Orders (stored in container 'Orders') and context.Customers (stored in container 'Customers') using .Join(). What is the behavior of EF Core Cosmos provider when executing LINQ queries spanning multiple containers? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-16 What specific asynchronous method in the test framework initializes the Cosmos DB test environment and decides whether to launch a container or use an existing emulator? | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-18 Does the EF Core Azure Cosmos DB provider reuse the standard relational SQL generation pipeline used by Microsoft.EntityFrameworkCore.SqlServer? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-20 We are setting up an EF Core application targeting Microsoft SQL Server database. We need to create relational table migration scripts and apply schema changes across database environments. How should we manage schema migrations in EF Core for SQL Server? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |