# VoiceSessionStoreContract
> Tracon documentation. Tracon is a .NET package family that adds a control
> plane on Microsoft Agent Framework, published as NuGet packages that run
> inside your own ASP.NET Core application.
>
> Page: https://tracon.dev/api/tracon.testing.contracts.storage.voicesessionstorecontract/
> Summary: VoiceSessionStoreContract: Behavior tests for the IVoiceSessionStore contract.
Behavior tests for the [IVoiceSessionStore](/api/tracon.ivoicesessionstore/) contract.
```csharp
public abstract class VoiceSessionStoreContract : TenantIsolationContract, IAsyncLifetime, IAsyncDisposable
```
## Remarks
The in-memory store and the three SQL providers must pass the same
scenarios. Two rules are critical: a second write with the same ID
**updates** the record (a call is first opened, then
closed), and `input_seconds` does not **lose** its
decimal fraction.
## Constructors
### VoiceSessionStoreContract\(\)
```csharp
protected VoiceSessionStoreContract()
```
## Methods
### Agent\_and\_session\_filters\_work\(\)
```csharp
[Fact]
public Task Agent_and_session_filters_work()
```
#### Returns
[Task](https://learn.microsoft.com/dotnet/api/system.threading.tasks.task)
### Another\_tenants\_record\_is\_not\_visible\(\)
```csharp
[Fact]
public Task Another_tenants_record_is_not_visible()
```
#### Returns
[Task](https://learn.microsoft.com/dotnet/api/system.threading.tasks.task)
### CountAsync\(string, CancellationToken\)
Reports how many records the given tenant sees through the listing endpoint.
```csharp
protected override ValueTask CountAsync(string tenantId, CancellationToken cancellationToken)
```
#### Parameters
`tenantId` [string](https://learn.microsoft.com/dotnet/api/system.string)
The reading tenant.
`cancellationToken` [CancellationToken](https://learn.microsoft.com/dotnet/api/system.threading.cancellationtoken)
The token every store call inside the hook must be handed; see
[TenantIsolationContract.SeedAsync](/api/tracon.testing.contracts.storage/).
#### Returns
[ValueTask](https://learn.microsoft.com/dotnet/api/system.threading.tasks.valuetask\-1)<[int](https://learn.microsoft.com/dotnet/api/system.int32)\>
The number of records seen.
### Duration\_does\_NOT\_lose\_its\_decimal\_fraction\(\)
```csharp
[Fact]
public Task Duration_does_NOT_lose_its_decimal_fraction()
```
#### Returns
[Task](https://learn.microsoft.com/dotnet/api/system.threading.tasks.task)
### ExistsAsync\(string, object\)
Reports whether the record is visible from the given tenant's viewpoint.
```csharp
protected override ValueTask ExistsAsync(string tenantId, object key)
```
#### Parameters
`tenantId` [string](https://learn.microsoft.com/dotnet/api/system.string)
The reading tenant.
`key` [object](https://learn.microsoft.com/dotnet/api/system.object)
The key returned by [TenantIsolationContract.SeedAsync](/api/tracon.testing.contracts.storage/).
#### Returns
[ValueTask](https://learn.microsoft.com/dotnet/api/system.threading.tasks.valuetask\-1)<[bool](https://learn.microsoft.com/dotnet/api/system.boolean)\>
[true](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool) if the record is visible.
### List\_is\_ordered\_newest\_to\_oldest\(\)
```csharp
[Fact]
public Task List_is_ordered_newest_to_oldest()
```
#### Returns
[Task](https://learn.microsoft.com/dotnet/api/system.threading.tasks.task)
### Live\_session\_provider\_model\_and\_cost\_round\_trip\(\)
```csharp
[Fact]
public Task Live_session_provider_model_and_cost_round_trip()
```
#### Returns
[Task](https://learn.microsoft.com/dotnet/api/system.threading.tasks.task)
### Missing\_measurement\_stays\_null\_NOT\_zero\(\)
```csharp
[Fact]
public Task Missing_measurement_stays_null_NOT_zero()
```
#### Returns
[Task](https://learn.microsoft.com/dotnet/api/system.threading.tasks.task)
### Paging\_is\_applied\(\)
```csharp
[Fact]
public Task Paging_is_applied()
```
#### Returns
[Task](https://learn.microsoft.com/dotnet/api/system.threading.tasks.task)
### Saved\_call\_is\_read\_back\(\)
```csharp
[Fact]
public Task Saved_call_is_read_back()
```
#### Returns
[Task](https://learn.microsoft.com/dotnet/api/system.threading.tasks.task)
### Second\_write\_with\_the\_same\_id\_UPDATES\_the\_record\(\)
```csharp
[Fact]
public Task Second_write_with_the_same_id_UPDATES_the_record()
```
#### Returns
[Task](https://learn.microsoft.com/dotnet/api/system.threading.tasks.task)
### SeedAsync\(string, string, CancellationToken\)
Writes a sample record for the given tenant.
```csharp
protected override ValueTask