diff --git a/backend/cinemateketTests/Usings.cs b/backend/cinemateketTests/Usings.cs
new file mode 100644
index 0000000..8c927eb
--- /dev/null
+++ b/backend/cinemateketTests/Usings.cs
@@ -0,0 +1 @@
+global using Xunit;
\ No newline at end of file
diff --git a/backend/cinemateketTests/ValidatorTests/QueryParameterValidatorsTests.cs b/backend/cinemateketTests/ValidatorTests/QueryParameterValidatorsTests.cs
new file mode 100644
index 0000000..4a11fca
--- /dev/null
+++ b/backend/cinemateketTests/ValidatorTests/QueryParameterValidatorsTests.cs
@@ -0,0 +1,18 @@
+using Xunit;
+using backend;
+
+
+public class QueryParameterValidatorsTests
+{
+    [Theory]
+    [InlineData("Star Wars", true)]
+    [InlineData("", false)]
+    [InlineData(null, false)]
+    public void IsValidS_ShouldReturnExpectedResult(string input, bool expectedResult)
+    {
+        bool result = QueryParameterValidators.IsValidS(input);
+        Assert.Equal(expectedResult, result);
+    }
+
+    // Add more tests for other validators
+}
\ No newline at end of file
diff --git a/backend/cinemateketTests/cinemateketTests.csproj b/backend/cinemateketTests/cinemateketTests.csproj
new file mode 100644
index 0000000..084a522
--- /dev/null
+++ b/backend/cinemateketTests/cinemateketTests.csproj
@@ -0,0 +1,35 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="7.0.11" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.11">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.4" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="3.1.2">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="../cinemateket/backend.csproj" />
+  </ItemGroup>
+
+</Project>