From f386bdecb06f56c6f051dfe6801847a0f847ca8a Mon Sep 17 00:00:00 2001
From: Sufiyan <StarKhan6368@gmail.com>
Date: Mon, 18 Nov 2024 13:17:47 +0530
Subject: [PATCH] Parse unreferenced or indirectly referenced schemas

- Schemas used in an allOf or not referenced in operations should be
  parsed into patterns and made accessible when required.
---
 .../conversions/OpenApiSpecification.kt       | 20 ++++++-
 .../conversions/OpenApiSpecificationTest.kt   | 58 +++++++++++++++++++
 2 files changed, 76 insertions(+), 2 deletions(-)

diff --git a/core/src/main/kotlin/io/specmatic/conversions/OpenApiSpecification.kt b/core/src/main/kotlin/io/specmatic/conversions/OpenApiSpecification.kt
index 22c56744e..b70b11ed3 100644
--- a/core/src/main/kotlin/io/specmatic/conversions/OpenApiSpecification.kt
+++ b/core/src/main/kotlin/io/specmatic/conversions/OpenApiSpecification.kt
@@ -223,18 +223,32 @@ class OpenApiSpecification(
         val name = File(openApiFilePath).name
 
         val (scenarioInfos, stubsFromExamples) = toScenarioInfos()
+        val unreferencedSchemaPatterns = parseUnreferencedSchemas()
+        val updatedScenarios = scenarioInfos.map {
+            Scenario(it).copy(
+                dictionary = dictionary,
+                attributeSelectionPattern = specmaticConfig.attributeSelectionPattern,
+                patterns = it.patterns + unreferencedSchemaPatterns
+            )
+        }
 
         return Feature(
-            scenarioInfos.map { Scenario(it).copy(dictionary = dictionary, attributeSelectionPattern = specmaticConfig.attributeSelectionPattern) }, name = name, path = openApiFilePath, sourceProvider = sourceProvider,
+            updatedScenarios, name = name, path = openApiFilePath, sourceProvider = sourceProvider,
             sourceRepository = sourceRepository,
             sourceRepositoryBranch = sourceRepositoryBranch,
             specification = specificationPath,
             serviceType = SERVICE_TYPE_HTTP,
             stubsFromExamples = stubsFromExamples,
-            specmaticConfig = specmaticConfig
+            specmaticConfig = specmaticConfig,
         )
     }
 
+    private fun parseUnreferencedSchemas(): Map<String, Pattern> {
+        return openApiSchemas().filterNot { withPatternDelimiters(it.key) in patterns }.map {
+            withPatternDelimiters(it.key) to toSpecmaticPattern(it.value, emptyList())
+        }.toMap()
+    }
+
     override fun toScenarioInfos(): Pair<List<ScenarioInfo>, Map<String, List<Pair<HttpRequest, HttpResponse>>>> {
         val (
             scenarioInfos: List<ScenarioInfo>,
@@ -791,6 +805,8 @@ class OpenApiSpecification(
 
     private fun openApiPaths() = parsedOpenApi.paths.orEmpty()
 
+    private fun openApiSchemas() = parsedOpenApi.components?.schemas.orEmpty()
+
     private fun isNumber(value: String): Boolean {
         return value.toIntOrNull() != null
     }
diff --git a/core/src/test/kotlin/io/specmatic/conversions/OpenApiSpecificationTest.kt b/core/src/test/kotlin/io/specmatic/conversions/OpenApiSpecificationTest.kt
index 014157c38..6896ed630 100644
--- a/core/src/test/kotlin/io/specmatic/conversions/OpenApiSpecificationTest.kt
+++ b/core/src/test/kotlin/io/specmatic/conversions/OpenApiSpecificationTest.kt
@@ -9560,6 +9560,64 @@ paths:
         }
     }
 
+    @Test
+    fun `should include unreferenced or indirectly referenced schema patterns`() {
+        val specContent = """
+        openapi: 3.0.3
+        info:
+          title: Products API
+          version: 1.0.0
+        paths:
+          /products:
+            get:
+              responses:
+                '200':
+                  description: Successful response
+                  content:
+                    application/json:
+                      schema:
+                        type: array
+                        items:
+                          ${'$'}ref: '#/components/schemas/ExtendedDetails'
+        components:
+          schemas:
+            User:
+              type: object
+              properties:
+                name:
+                  type: string
+            ExtendedDetails:
+              allOf:
+                - ${'$'}ref: '#/components/schemas/BaseDetails'
+                - ${'$'}ref: '#/components/schemas/User'
+            BaseDetails:
+              type: object
+              properties:
+                id:
+                  type: string
+                email:
+                  type: string
+              required:
+                - id
+            Address:
+              type: object
+              properties:
+                street:
+                  type: string
+                city:
+                  type: string
+        """.trimIndent()
+        val feature = OpenApiSpecification.fromYAML(specContent, "").toFeature()
+        val directlyNonReferencedPatterns = listOf("(BaseDetails)", "(User)", "(Address)")
+
+        assertThat(feature.scenarios).allSatisfy { scenario ->
+            directlyNonReferencedPatterns.forEach {
+                assertThat(scenario.patterns).containsKey(it)
+                assertThat(scenario.resolver.newPatterns).containsKey(it)
+            }
+        }
+    }
+
     private fun ignoreButLogException(function: () -> OpenApiSpecification) {
         try {
             function()