First commit

node_modules/@fastify/merge-json-schemas/test/default-resolver.test.js

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+'use strict'
+
+const assert = require('node:assert/strict')
+const { test } = require('node:test')
+const { mergeSchemas } = require('../index')
+
+test('should merge an unknown keyword with an empty schema', () => {
+  const schema1 = {}
+  const schema2 = { customKeyword: 42 }
+
+  const mergedSchema = mergeSchemas([schema1, schema2])
+  assert.deepStrictEqual(mergedSchema, { customKeyword: 42 })
+})
+
+test('should merge two equal unknown keywords', () => {
+  const schema1 = { customKeyword: 42 }
+  const schema2 = { customKeyword: 42 }
+
+  const mergedSchema = mergeSchemas([schema1, schema2])
+  assert.deepStrictEqual(mergedSchema, { customKeyword: 42 })
+})
+
+test('should merge two equal unknown object keywords', () => {
+  const schema1 = { type: 'string', customKeyword: { foo: 'bar' } }
+  const schema2 = { type: 'string', customKeyword: { foo: 'bar' } }
+
+  const mergedSchema = mergeSchemas([schema1, schema2])
+  assert.deepStrictEqual(mergedSchema, {
+    type: 'string',
+    customKeyword: { foo: 'bar' }
+  })
+})
+
+test('should use custom defaultResolver if passed', () => {
+  const schema1 = { type: 'string', customKeyword: 42 }
+  const schema2 = { type: 'string', customKeyword: 43 }
+
+  const mergedSchema = mergeSchemas(
+    [schema1, schema2],
+    {
+      defaultResolver: (keyword, values, mergedSchema, schemas) => {
+        assert.strictEqual(keyword, 'customKeyword')
+        assert.deepStrictEqual(values, [42, 43])
+        assert.deepStrictEqual(schemas, [schema1, schema2])
+
+        mergedSchema.customKeyword = 'custom-value-42'
+      }
+    }
+  )
+  assert.deepStrictEqual(mergedSchema, {
+    type: 'string',
+    customKeyword: 'custom-value-42'
+  })
+})
+
+test('should trow an error when merging two different unknown keywords', () => {
+  const schema1 = { customKeyword: 42 }
+  const schema2 = { customKeyword: 43 }
+
+  assert.throws(() => {
+    mergeSchemas([schema1, schema2])
+  }, {
+    name: 'JsonSchemaMergeError',
+    code: 'JSON_SCHEMA_MERGE_ERROR',
+    message: 'Resolver for "customKeyword" keyword not found.',
+    schemas: [42, 43]
+  })
+})
+
+test('should trow an error when merging two different unknown keywords with onConflict = throw', () => {
+  const schema1 = { customKeyword: 42 }
+  const schema2 = { customKeyword: 43 }
+
+  assert.throws(() => {
+    mergeSchemas([schema1, schema2], { onConflict: 'throw' })
+  }, {
+    name: 'JsonSchemaMergeError',
+    code: 'JSON_SCHEMA_MERGE_ERROR',
+    message: 'Resolver for "customKeyword" keyword not found.',
+    schemas: [42, 43]
+  })
+})
+
+test('should skip the keyword schemas if onConflict = skip', () => {
+  const schema1 = { customKeyword: 42 }
+  const schema2 = { customKeyword: 43 }
+
+  const mergedSchema = mergeSchemas([schema1, schema2], { onConflict: 'skip' })
+  assert.deepStrictEqual(mergedSchema, {})
+})
+
+test('should pick first schema if onConflict = first', () => {
+  const schema1 = { customKeyword: 42 }
+  const schema2 = { customKeyword: 43 }
+
+  const mergedSchema = mergeSchemas([schema1, schema2], { onConflict: 'first' })
+  assert.deepStrictEqual(mergedSchema, { customKeyword: 42 })
+})
+
+test('should throw an error if pass wrong onConflict value', () => {
+  const schema1 = { customKeyword: 42 }
+  const schema2 = { customKeyword: 43 }
+
+  assert.throws(() => {
+    mergeSchemas([schema1, schema2], { onConflict: 'foo' })
+  }, {
+    name: 'JsonSchemaMergeError',
+    code: 'JSON_SCHEMA_MERGE_ERROR',
+    message: 'Invalid "onConflict" option: "foo".'
+  })
+})