{"id":19740719,"url":"https://github.com/MichalJankowskii/Moq.EntityFrameworkCore","last_synced_at":"2025-04-30T05:33:35.383Z","repository":{"id":44771704,"uuid":"105807156","full_name":"MichalJankowskii/Moq.EntityFrameworkCore","owner":"MichalJankowskii","description":"Library that provides methods that will help you with mocking EntityFrameworkCore.","archived":false,"fork":false,"pushed_at":"2024-05-05T10:15:32.000Z","size":2803,"stargazers_count":253,"open_issues_count":5,"forks_count":27,"subscribers_count":10,"default_branch":"master","last_synced_at":"2024-11-07T09:12:37.616Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"C#","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/MichalJankowskii.png","metadata":{"files":{"readme":"README.md","changelog":"Changelog.txt","contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null}},"created_at":"2017-10-04T19:05:27.000Z","updated_at":"2024-11-02T03:01:19.000Z","dependencies_parsed_at":"2024-01-27T09:37:06.043Z","dependency_job_id":null,"html_url":"https://github.com/MichalJankowskii/Moq.EntityFrameworkCore","commit_stats":{"total_commits":64,"total_committers":7,"mean_commits":9.142857142857142,"dds":0.296875,"last_synced_commit":"f2af567af1fa853ec8121aa62eb83c42b54addea"},"previous_names":[],"tags_count":5,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MichalJankowskii%2FMoq.EntityFrameworkCore","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MichalJankowskii%2FMoq.EntityFrameworkCore/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MichalJankowskii%2FMoq.EntityFrameworkCore/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MichalJankowskii%2FMoq.EntityFrameworkCore/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/MichalJankowskii","download_url":"https://codeload.github.com/MichalJankowskii/Moq.EntityFrameworkCore/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":224199943,"owners_count":17272363,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-12T01:23:01.000Z","updated_at":"2025-04-30T05:33:35.378Z","avatar_url":"https://github.com/MichalJankowskii.png","language":"C#","funding_links":[],"categories":["Supported Packages"],"sub_categories":["Contents"],"readme":"# Moq.EntityFrameworkCore\n[![Build Status](https://dev.azure.com/OpenSource-jankowskimichalpl/Moq.EntityFrameworkCore/_apis/build/status/MichalJankowskii.Moq.EntityFrameworkCore?branchName=master)](https://dev.azure.com/OpenSource-jankowskimichalpl/Moq.EntityFrameworkCore/_build/latest?definitionId=1\u0026branchName=master)\n[![Downloads](https://img.shields.io/nuget/dt/Moq.EntityFrameworkCore.svg)](https://www.nuget.org/packages/Moq.EntityFrameworkCore/)\n\nThis library helps you mocking EntityFramework contexts. Now you will be able to test methods that are using `DbSet\u003cTEntity\u003e` or `DbQuery\u003cTEntity\u003e` from `DbContext` in an effective way.\n## Installation - NuGet Packages\n```\nInstall-Package Moq.EntityFrameworkCore\n```\n\n## Usage\nFor example we can assume that we have the following production code:\n```\npublic class UsersContext : DbContext\n{\n    public virtual DbSet\u003cUser\u003e Users { get; set; }\n}\n```\n\nTo mock Users and Roles you only need to implement the following 3 steps:\n\n1\\. Create `DbContext` mock:\n```csharp\nvar userContextMock = new Mock\u003cUsersContext\u003e();\n```\n2\\. Generate your entities:\n```csharp\nIList\u003cUser\u003e users = ...;\n```\n3\\. Setup `DbSet` or `DbQuery` property:\n```csharp\nuserContextMock.Setup(x =\u003e x.Users).ReturnsDbSet(users);\n```\nor \n```csharp\nuserContextMock.SetupGet(x =\u003e x.Users).ReturnsDbSet(users);\n```\nor\n```csharp\nuserContextMock.SetupSequence(x =\u003e x.Set\u003cUser\u003e())\n  .ReturnsDbSet(new List\u003cUser\u003e())\n  .ReturnsDbSet(users);\n```\n\n\n\nAnd this is all. You can use your `DbContext` in your tests.\n\nThe second option is mocking `DbSet` that is part of the interface:\n```csharp\npublic interface IBlogContext\n{\n   DbSet\u003cPost\u003e Posts { get; }\n}\n```\n\nAnd then use:\n```csharp\nvar posts = new List\u003cPost\u003e();\nvar contextMock = new Mock\u003cIBlogContext\u003e();\ncontextMock.Setup(p =\u003e p.Posts).ReturnsDbSet(posts);\n```\n\n## Using ReturnsDbSetWithGlobalFilter\nYou can also use `ReturnsDbSetWithGlobalFilter` to set up a `DbSet` with a global filter. For example:\n```csharp\nvar users = new List\u003cUser\u003e { new User { IsActive = true }, new User { IsActive = false } };\nvar userContextMock = new Mock\u003cUsersContext\u003e();\nuserContextMock.Setup(x =\u003e x.Users).ReturnsDbSetWithGlobalFilter(users, u =\u003e u.IsActive);\n```\n\n## New Usage Option: ReturnsDbSetDynamic\nYou can now use the ReturnsDbSetDynamic method for scenarios where you need lazy evaluation of your DbSet. This ensures that the DbSet is re-evaluated dynamically at runtime.\n\n```csharp\nuserContextMock.Setup(x =\u003e x.Users).ReturnsDbSetDynamic(users);\n```\n\n### Explanation of Differences\n- `ReturnsDbSet`: Statically resolves the DbSet value during setup.\n- `ReturnsDbSetDynamic`: Dynamically resolves the DbSet value using a lambda, ensuring it reflects changes at runtime.\n\nYou will find examples of this library in the [repository](https://github.com/MichalJankowskii/Moq.EntityFrameworkCore/blob/master/src/Moq.EntityFrameworkCore.Examples/UsersServiceTest.cs).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FMichalJankowskii%2FMoq.EntityFrameworkCore","html_url":"https://awesome.ecosyste.ms/projects/github.com%2FMichalJankowskii%2FMoq.EntityFrameworkCore","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FMichalJankowskii%2FMoq.EntityFrameworkCore/lists"}