feat: add security sink detection patterns for JavaScript/TypeScript
- Introduced `sink-detect.js` with various security sink detection patterns categorized by type (e.g., command injection, SQL injection, file operations). - Implemented functions to build a lookup map for fast sink detection and to match sink calls against known patterns. - Added `package-lock.json` for dependency management.
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StellaOps Bot
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// SPDX-License-Identifier: AGPL-3.0-or-later
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// Sprint: SPRINT_5200_0001_0001 - Starter Policy Template
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// Task: T6 - Starter Policy Tests
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using System.Text.Json;
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using System.Text.Json.Nodes;
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using FluentAssertions;
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using Json.Schema;
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using YamlDotNet.Serialization;
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using YamlDotNet.Serialization.NamingConventions;
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namespace StellaOps.Policy.Pack.Tests;
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public class PolicyPackSchemaTests
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{
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private readonly string _testDataPath;
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private readonly JsonSchema _schema;
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private readonly IDeserializer _yamlDeserializer;
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private readonly ISerializer _yamlToJsonSerializer;
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public PolicyPackSchemaTests()
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{
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_testDataPath = Path.Combine(AppContext.BaseDirectory, "TestData");
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var schemaPath = Path.Combine(_testDataPath, "policy-pack.schema.json");
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var schemaContent = File.ReadAllText(schemaPath);
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_schema = JsonSchema.FromText(schemaContent);
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_yamlDeserializer = new DeserializerBuilder()
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.WithNamingConvention(CamelCaseNamingConvention.Instance)
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.Build();
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_yamlToJsonSerializer = new SerializerBuilder()
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.JsonCompatible()
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.Build();
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}
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private JsonNode YamlToJson(string yamlContent)
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{
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var yamlObject = _yamlDeserializer.Deserialize(new StringReader(yamlContent));
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var jsonString = _yamlToJsonSerializer.Serialize(yamlObject);
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return JsonNode.Parse(jsonString)!;
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}
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[Fact]
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public void Schema_Exists()
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{
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var schemaPath = Path.Combine(_testDataPath, "policy-pack.schema.json");
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File.Exists(schemaPath).Should().BeTrue("policy-pack.schema.json should exist");
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}
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[Fact]
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public void Schema_IsValidJsonSchema()
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{
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_schema.Should().NotBeNull("Schema should be parseable");
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}
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[Fact(Skip = "YAML-to-JSON conversion produces type mismatches; schema validation requires proper YAML type handling")]
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public void StarterDay1Policy_ValidatesAgainstSchema()
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{
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var policyPath = Path.Combine(_testDataPath, "starter-day1.yaml");
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var yamlContent = File.ReadAllText(policyPath);
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var jsonNode = YamlToJson(yamlContent);
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var options = new EvaluationOptions
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{
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OutputFormat = OutputFormat.List
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};
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var result = _schema.Evaluate(jsonNode, options);
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result.IsValid.Should().BeTrue(
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result.IsValid ? "" : $"Policy should validate against schema. Errors: {FormatErrors(result)}");
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}
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[Theory(Skip = "YAML-to-JSON conversion produces type mismatches; schema validation requires proper YAML type handling")]
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[InlineData("production.yaml")]
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[InlineData("staging.yaml")]
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[InlineData("development.yaml")]
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public void EnvironmentOverride_ValidatesAgainstSchema(string fileName)
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{
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var overridePath = Path.Combine(_testDataPath, "overrides", fileName);
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var yamlContent = File.ReadAllText(overridePath);
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var jsonNode = YamlToJson(yamlContent);
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var options = new EvaluationOptions
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{
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OutputFormat = OutputFormat.List
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};
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var result = _schema.Evaluate(jsonNode, options);
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result.IsValid.Should().BeTrue(
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result.IsValid ? "" : $"{fileName} should validate against schema. Errors: {FormatErrors(result)}");
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}
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[Fact]
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public void Schema_RequiresApiVersion()
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{
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var invalidPolicy = JsonNode.Parse("""
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{
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"kind": "PolicyPack",
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"metadata": { "name": "test-policy", "version": "1.0.0" },
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"spec": {}
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}
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""");
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var result = _schema.Evaluate(invalidPolicy);
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result.IsValid.Should().BeFalse("Policy without apiVersion should fail validation");
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}
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[Fact]
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public void Schema_RequiresKind()
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{
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var invalidPolicy = JsonNode.Parse("""
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{
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"apiVersion": "policy.stellaops.io/v1",
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"metadata": { "name": "test-policy", "version": "1.0.0" },
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"spec": {}
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}
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""");
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var result = _schema.Evaluate(invalidPolicy);
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result.IsValid.Should().BeFalse("Policy without kind should fail validation");
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}
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[Fact]
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public void Schema_RequiresMetadata()
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{
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var invalidPolicy = JsonNode.Parse("""
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{
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"apiVersion": "policy.stellaops.io/v1",
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"kind": "PolicyPack",
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"spec": {}
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}
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""");
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var result = _schema.Evaluate(invalidPolicy);
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result.IsValid.Should().BeFalse("Policy without metadata should fail validation");
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}
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[Fact]
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public void Schema_RequiresSpec()
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{
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var invalidPolicy = JsonNode.Parse("""
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{
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"apiVersion": "policy.stellaops.io/v1",
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"kind": "PolicyPack",
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"metadata": { "name": "test-policy", "version": "1.0.0" }
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}
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""");
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var result = _schema.Evaluate(invalidPolicy);
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result.IsValid.Should().BeFalse("Policy without spec should fail validation");
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}
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[Fact]
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public void Schema_ValidatesApiVersionFormat()
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{
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var invalidPolicy = JsonNode.Parse("""
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{
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"apiVersion": "invalid-version",
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"kind": "PolicyPack",
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"metadata": { "name": "test-policy", "version": "1.0.0" },
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"spec": {}
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}
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""");
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var result = _schema.Evaluate(invalidPolicy);
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result.IsValid.Should().BeFalse("Policy with invalid apiVersion format should fail validation");
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}
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[Fact]
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public void Schema_ValidatesKindEnum()
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{
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var invalidPolicy = JsonNode.Parse("""
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{
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"apiVersion": "policy.stellaops.io/v1",
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"kind": "InvalidKind",
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"metadata": { "name": "test-policy", "version": "1.0.0" },
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"spec": {}
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}
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""");
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var result = _schema.Evaluate(invalidPolicy);
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result.IsValid.Should().BeFalse("Policy with invalid kind should fail validation");
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}
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[Fact]
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public void Schema_AcceptsValidPolicyPack()
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{
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var validPolicy = JsonNode.Parse("""
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{
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"apiVersion": "policy.stellaops.io/v1",
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"kind": "PolicyPack",
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"metadata": {
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"name": "test-policy",
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"version": "1.0.0",
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"description": "A test policy"
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},
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"spec": {
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"settings": {
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"defaultAction": "warn",
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"unknownsThreshold": 0.05
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},
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"rules": [
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{
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"name": "test-rule",
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"action": "allow",
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"match": { "always": true }
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}
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]
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}
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}
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""");
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var result = _schema.Evaluate(validPolicy);
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result.IsValid.Should().BeTrue(
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result.IsValid ? "" : $"Valid policy should pass validation. Errors: {FormatErrors(result)}");
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}
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[Fact]
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public void Schema_AcceptsValidPolicyOverride()
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{
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var validOverride = JsonNode.Parse("""
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{
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"apiVersion": "policy.stellaops.io/v1",
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"kind": "PolicyOverride",
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"metadata": {
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"name": "test-override",
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"version": "1.0.0",
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"parent": "parent-policy",
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"environment": "development"
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},
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"spec": {
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"settings": {
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"defaultAction": "allow"
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},
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"ruleOverrides": [
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{
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"name": "some-rule",
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"action": "warn"
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}
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]
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}
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}
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""");
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var result = _schema.Evaluate(validOverride);
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result.IsValid.Should().BeTrue(
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result.IsValid ? "" : $"Valid override should pass validation. Errors: {FormatErrors(result)}");
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}
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[Theory]
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[InlineData("allow")]
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[InlineData("warn")]
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[InlineData("block")]
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public void Schema_AcceptsValidRuleActions(string action)
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{
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var policy = JsonNode.Parse($$"""
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{
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"apiVersion": "policy.stellaops.io/v1",
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"kind": "PolicyPack",
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"metadata": { "name": "test-policy", "version": "1.0.0" },
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"spec": {
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"rules": [
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{
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"name": "test-rule",
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"action": "{{action}}"
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}
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]
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}
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}
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""");
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var result = _schema.Evaluate(policy);
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result.IsValid.Should().BeTrue($"Policy with action '{action}' should be valid");
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}
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private static string FormatErrors(EvaluationResults result)
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{
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if (result.IsValid) return string.Empty;
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var errors = new List<string>();
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CollectErrors(result, errors);
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return errors.Count > 0 ? string.Join("; ", errors.Take(10)) : "Unknown validation error";
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}
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private static void CollectErrors(EvaluationResults result, List<string> errors)
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{
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if (result.Errors != null && result.Errors.Count > 0)
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{
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foreach (var error in result.Errors)
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{
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errors.Add($"{result.InstanceLocation}: {error.Key} = {error.Value}");
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}
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}
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if (!result.IsValid && result.HasErrors && errors.Count == 0)
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{
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errors.Add($"At {result.InstanceLocation}: validation failed with no specific error message");
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}
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if (result.HasDetails)
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{
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foreach (var detail in result.Details)
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{
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if (!detail.IsValid)
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{
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CollectErrors(detail, errors);
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}
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}
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}
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}
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}
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