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backend/node_modules/@fastify/merge-json-schemas/test/custom-resolvers.test.js

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+'use strict'
+
+const assert = require('node:assert/strict')
+const { test } = require('node:test')
+const { mergeSchemas } = require('../index')
+const { defaultResolver } = require('./utils')
+
+test('should use a custom resolver instead of default one', () => {
+  const schema1 = { type: 'string' }
+  const schema2 = { type: 'number' }
+
+  const mergedSchema = mergeSchemas(
+    [schema1, schema2],
+    {
+      resolvers: {
+        type: (keyword, values, mergedSchema, schemas) => {
+          assert.strictEqual(keyword, 'type')
+          assert.deepStrictEqual(values, ['string', 'number'])
+          assert.deepStrictEqual(schemas, [schema1, schema2])
+
+          mergedSchema[keyword] = 'custom-type'
+        }
+      },
+      defaultResolver
+    }
+  )
+  assert.deepStrictEqual(mergedSchema, { type: 'custom-type' })
+})
+
+test('should use a custom resolver for unknown keyword', () => {
+  const schema1 = { customKeyword: 'string' }
+  const schema2 = { customKeyword: 'number' }
+
+  const mergedSchema = mergeSchemas(
+    [schema1, schema2],
+    {
+      resolvers: {
+        customKeyword: (keyword, values, mergedSchema, schemas) => {
+          assert.strictEqual(keyword, 'customKeyword')
+          assert.deepStrictEqual(values, ['string', 'number'])
+          assert.deepStrictEqual(schemas, [schema1, schema2])
+
+          mergedSchema[keyword] = 'custom-type'
+        }
+      },
+      defaultResolver
+    }
+  )
+  assert.deepStrictEqual(mergedSchema, { customKeyword: 'custom-type' })
+})