chore(internal): share csproj properties with dir build props

fix(internal): test nullability warnings
chore(internal): use better test examples

Author: stainless-app[bot]

.csharpierignore

@@ -1 +1,2 @@
 *.csproj
+*.props

src/Directory.Build.props

@@ -0,0 +1,34 @@
+<Project>
+  <PropertyGroup>
+    <Authors>Orb</Authors>
+    <Company>Orb</Company>
+    <PackageTags>sdk;api;http;library</PackageTags>
+    <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
+    <Copyright>Copyright 2025 Orb</Copyright>
+    <PackageProjectUrl>https://docs.withorb.com/reference/api-reference</PackageProjectUrl>
+    <RepositoryUrl>https://www.github.com/orbcorp/orb-csharp</RepositoryUrl>
+    <RepositoryType>git</RepositoryType>
+
+    <!-- Documentation-->
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <!-- Disable missing XML documentation warnings. -->
+    <NoWarn>$(NoWarn),1570,1573,1574,1591</NoWarn>
+
+    <!-- Source link -->
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    <IncludeSymbols>true</IncludeSymbols>
+    <DebugType>embedded</DebugType>
+
+    <TargetFrameworks>net8.0;netstandard2.0</TargetFrameworks>
+    <LangVersion>12</LangVersion>
+    <Configurations>Debug;Release</Configurations>
+    <BuildPackage>true</BuildPackage>
+    <Deterministic>true</Deterministic>
+    <Nullable>enable</Nullable>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <ImplicitUsings>disable</ImplicitUsings>
+    <!-- Disable deprecation warnings since we may reference our own deprecated symbols. -->
+    <NoWarn>$(NoWarn),0618</NoWarn>
+  </PropertyGroup>
+</Project>

src/Orb.Tests/Models/Alerts/AlertCreateForCustomerParamsTest.cs

@@ -25,6 +25,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 

src/Orb.Tests/Models/Alerts/AlertCreateForExternalCustomerParamsTest.cs

@@ -27,6 +27,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 

src/Orb.Tests/Models/Alerts/AlertCreateForSubscriptionParamsTest.cs

@@ -26,6 +26,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 

src/Orb.Tests/Models/Alerts/AlertTest.cs

@@ -476,6 +476,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 

src/Orb.Tests/Models/AllocationTest.cs

@@ -350,6 +350,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 
@@ -409,6 +411,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 

src/Orb.Tests/Models/AmountDiscountIntervalTest.cs

@@ -198,6 +198,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 
@@ -340,6 +342,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 
@@ -399,6 +403,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 

src/Orb.Tests/Models/AmountDiscountTest.cs

@@ -248,6 +248,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 
@@ -392,6 +394,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }
 
@@ -451,6 +455,8 @@ public void InvalidEnumValidationThrows_Works()
             JsonSerializer.Deserialize<JsonElement>("\"invalid value\""),
             ModelBase.SerializerOptions
         );
+
+        Assert.NotNull(value);
         Assert.Throws<OrbInvalidDataException>(() => value.Validate());
     }