Created
December 4, 2018 12:17
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SprintTrackerWebContextTest.cs
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| using Microsoft.EntityFrameworkCore; | |
| using SprintTracker.Web; | |
| using SprintTracker.Web.Models; | |
| using System.Linq; | |
| using Xunit; | |
| namespace SprintTracker.Tests | |
| { | |
| public class SprintTrackerWebContextTest | |
| { | |
| /** | |
| * In this test, we're confirming that a sprint object can be | |
| * saved to the database using our context. | |
| **/ | |
| [Fact] | |
| public void Add_writes_to_database() | |
| { | |
| // ARRANGE - set up 'in memory' database | |
| var options = new DbContextOptionsBuilder<SprintTrackerWebContext>() | |
| .UseInMemoryDatabase(databaseName: "Add_writes_to_database") | |
| .Options; | |
| // Create Test Sprint | |
| Sprint sprint = new Sprint | |
| { | |
| ID = 1, | |
| SprintName = "Badger", | |
| PredictedPoints = 4, | |
| ActualPoints = 5, | |
| }; | |
| // ACT: Populate Database | |
| // The `using` command creates a single instance of the context that is then | |
| // discarded at the end of the command. | |
| using (var context = new SprintTrackerWebContext(options)) | |
| { | |
| context.Sprint.Add(sprint); | |
| context.SaveChanges(); | |
| } | |
| // ASSERT: data was saved to database | |
| // This 'using' command then creates a completely new instance of the context, so | |
| // we can be sure that the data we're testing is coming from the database, rather | |
| // than just being stored in the context. | |
| using (var context = new SprintTrackerWebContext(options)) | |
| { | |
| Assert.Equal(1, context.Sprint.Count()); | |
| Assert.Equal(sprint.SprintName, context.Sprint.Single().SprintName); | |
| } | |
| } | |
| } | |
| } |
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