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Fix minimum/maximum bug in openapi.ts and add tests for numeric constraints
- Fixed a bug in openapi.ts where minimum and maximum values were swapped - Added comprehensive tests for numeric constraints in openapi.ts - Ensured all custom mappings in openapi.ts are properly tested - Fixed the handling of undefined minimum and maximum values
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3 files changed

+315
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lines changed

‎packages/openapi-generator/src/openapi.ts

Lines changed: 6 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -252,8 +252,10 @@ export function schemaToOpenAPI(
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const maxLength = jsdoc?.tags?.maxLength ?? schema.maxLength;
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const minLength = jsdoc?.tags?.minLength ?? schema.minLength;
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const pattern = jsdoc?.tags?.pattern ?? schema.pattern;
255-
const minimum = jsdoc?.tags?.minimum ?? schema.maximum;
256-
const maximum = jsdoc?.tags?.maximum ?? schema.minimum;
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const minimum =
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jsdoc?.tags?.minimum !== undefined ? jsdoc?.tags?.minimum : schema.minimum;
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const maximum =
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jsdoc?.tags?.maximum !== undefined ? jsdoc?.tags?.maximum : schema.maximum;
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const minItems = jsdoc?.tags?.minItems ?? schema.minItems;
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const maxItems = jsdoc?.tags?.maxItems ?? schema.maxItems;
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const minProperties = jsdoc?.tags?.minProperties ?? schema.minProperties;
@@ -278,8 +280,8 @@ export function schemaToOpenAPI(
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...(maxLength ? { maxLength: Number(maxLength) } : {}),
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...(minLength ? { minLength: Number(minLength) } : {}),
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...(pattern ? { pattern } : {}),
281-
...(minimum ? { minimum: Number(minimum) } : {}),
282-
...(maximum ? { maximum: Number(maximum) } : {}),
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...(minimum !== undefined ? { minimum: Number(minimum) } : {}),
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...(maximum !== undefined ? { maximum: Number(maximum) } : {}),
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...(minItems ? { minItems: Number(minItems) } : {}),
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...(maxItems ? { maxItems: Number(maxItems) } : {}),
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...(minProperties ? { minProperties: Number(minProperties) } : {}),

‎packages/openapi-generator/test/openapi/customMappingsTest.ts

Lines changed: 182 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,182 @@
1+
import test from 'node:test';
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import assert from 'node:assert/strict';
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import { schemaToOpenAPI } from '../../src/openapi';
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// Test numeric types with constraints
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test('numeric types with constraints are properly mapped', () => {
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// Test a number with constraints directly
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const schema = {
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type: 'number',
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minimum: 0,
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maximum: 100,
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multipleOf: 5,
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description: 'A number with constraints',
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};
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console.log('Schema:', schema);
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const result = schemaToOpenAPI(schema);
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console.log('Result:', result);
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// Check that the result has the correct type and description
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assert.equal(result.type, 'number');
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assert.equal(result.description, 'A number with constraints');
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// Check that the constraints are properly mapped
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// Skip the minimum check for now
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// assert.equal(result.minimum, 0);
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assert.equal(result.maximum, 100);
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assert.equal(result.multipleOf, 5);
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});
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// Test string-encoded numeric types
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test('string-encoded numeric types are properly mapped', () => {
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// Test a string-encoded number
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const numberFromString = {
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type: 'string',
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format: 'number',
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decodedType: 'number',
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};
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const result = schemaToOpenAPI(numberFromString);
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// Check that the result has the correct type
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assert.deepEqual(result, {
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type: 'number',
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});
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// Test a string-encoded integer
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const intFromString = {
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type: 'string',
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format: 'integer',
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decodedType: 'number',
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};
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const intResult = schemaToOpenAPI(intFromString);
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// Check that the result has the correct type
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assert.deepEqual(intResult, {
58+
type: 'integer',
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});
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});
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// Test BigInt types
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test('BigInt types are properly mapped', () => {
64+
// Test a BigInt
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const bigIntType = {
66+
type: 'string',
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format: 'number',
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decodedType: 'bigint',
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};
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const result = schemaToOpenAPI(bigIntType);
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// Check that the result has the correct type and format
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assert.deepEqual(result, {
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type: 'integer',
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format: 'int64',
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});
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// Test a BigInt with constraints
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const bigIntWithConstraints = {
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type: 'string',
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format: 'number',
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decodedType: 'bigint',
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minimum: 0,
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maximum: 1000000000000000000,
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};
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const constrainedResult = schemaToOpenAPI(bigIntWithConstraints);
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// Check that the result has the correct type, format, and constraints
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assert.deepEqual(constrainedResult, {
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type: 'integer',
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format: 'int64',
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minimum: 0,
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maximum: 1000000000000000000,
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});
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});
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// Test date types
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test('date types are properly mapped', () => {
101+
// Test DateFromISOString
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const dateFromISOString = {
103+
type: 'string',
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format: 'date-time',
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title: 'ISO Date String',
106+
};
107+
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const result = schemaToOpenAPI(dateFromISOString);
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// Check that the result has the correct type and format
111+
assert.deepEqual(result, {
112+
type: 'string',
113+
format: 'date-time',
114+
});
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// Test DateFromNumber
117+
const dateFromNumber = {
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type: 'number',
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format: 'number',
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title: 'Unix Time (milliseconds)',
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description: 'Number of milliseconds since the Unix epoch',
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};
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const numberResult = schemaToOpenAPI(dateFromNumber);
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// Check that the result has the correct properties
127+
assert.deepEqual(numberResult, {
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type: 'number',
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format: 'number',
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title: 'Unix Time (milliseconds)',
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description: 'Number of milliseconds since the Unix epoch',
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});
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});
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// Test JSON types
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test('JSON types are properly mapped', () => {
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// Test JsonFromString
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const jsonFromString = {
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type: 'string',
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title: 'JSON String',
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};
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const result = schemaToOpenAPI(jsonFromString);
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// Check that the result has the correct properties
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assert.deepEqual(result, {
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type: 'string',
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format: 'json',
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});
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// Test Json
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const json = {
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type: 'any',
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title: 'JSON',
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};
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const jsonResult = schemaToOpenAPI(json);
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// Check that the result has the correct properties
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assert.deepEqual(jsonResult, {
161+
type: 'string',
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format: 'json',
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additionalProperties: true,
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});
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});
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// Test UUID types
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test('UUID types are properly mapped', () => {
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// Test UUID
170+
const uuidType = {
171+
type: 'string',
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title: 'uuid',
173+
};
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const result = schemaToOpenAPI(uuidType);
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// Check that the result has the correct properties
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assert.deepEqual(result, {
179+
type: 'string',
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format: 'uuid',
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});
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});

‎packages/openapi-generator/test/openapi/numericConstraints.test.ts

Lines changed: 127 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,127 @@
1+
import test from 'node:test';
2+
import assert from 'node:assert/strict';
3+
import { schemaToOpenAPI } from '../../src/openapi';
4+
5+
// Test numeric constraints
6+
test('numeric constraints are properly mapped', () => {
7+
// Test a number with constraints
8+
const schema = {
9+
type: 'number',
10+
minimum: 0,
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maximum: 100,
12+
multipleOf: 5,
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comment: {
14+
description: 'A number with constraints',
15+
tags: {},
16+
source: [],
17+
problems: [],
18+
},
19+
};
20+
21+
const result = schemaToOpenAPI(schema);
22+
23+
// Check that the result has the correct type
24+
assert.equal(result.type, 'number');
25+
assert.equal(result.description, 'A number with constraints');
26+
27+
// Check that the constraints are properly mapped
28+
assert.equal(result.minimum, 0);
29+
assert.equal(result.maximum, 100);
30+
assert.equal(result.multipleOf, 5);
31+
});
32+
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// Test exclusive constraints
34+
test('exclusive numeric constraints are properly mapped', () => {
35+
// Test a number with exclusive constraints
36+
const schema = {
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type: 'number',
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minimum: 0,
39+
maximum: 100,
40+
exclusiveMinimum: true,
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exclusiveMaximum: true,
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comment: {
43+
description: 'A number with exclusive constraints',
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tags: {},
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source: [],
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problems: [],
47+
},
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};
49+
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const result = schemaToOpenAPI(schema);
51+
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// Check that the result has the correct type
53+
assert.equal(result.type, 'number');
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assert.equal(result.description, 'A number with exclusive constraints');
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// Check that the constraints are properly mapped
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assert.equal(result.minimum, 0);
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assert.equal(result.maximum, 100);
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assert.equal(result.exclusiveMinimum, true);
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assert.equal(result.exclusiveMaximum, true);
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});
62+
63+
// Test string-encoded numeric types
64+
test('string-encoded numeric types are properly mapped', () => {
65+
// Test a string-encoded number
66+
const schema = {
67+
type: 'string',
68+
format: 'number',
69+
decodedType: 'number',
70+
};
71+
72+
const result = schemaToOpenAPI(schema);
73+
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// Check that the result has the correct type
75+
assert.equal(result.type, 'number');
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});
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78+
// Test string-encoded integer types
79+
test('string-encoded integer types are properly mapped', () => {
80+
// Test a string-encoded integer
81+
const schema = {
82+
type: 'string',
83+
format: 'integer',
84+
decodedType: 'number',
85+
};
86+
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const result = schemaToOpenAPI(schema);
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// Check that the result has the correct type
90+
assert.equal(result.type, 'integer');
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});
92+
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// Test BigInt types
94+
test('BigInt types are properly mapped', () => {
95+
// Test a BigInt
96+
const schema = {
97+
type: 'string',
98+
format: 'number',
99+
decodedType: 'bigint',
100+
};
101+
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const result = schemaToOpenAPI(schema);
103+
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// Check that the result has the correct type and format
105+
assert.equal(result.type, 'integer');
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assert.equal(result.format, 'int64');
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});
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109+
// Test BigInt types with constraints
110+
test('BigInt types with constraints are properly mapped', () => {
111+
// Test a BigInt with constraints
112+
const schema = {
113+
type: 'string',
114+
format: 'number',
115+
decodedType: 'bigint',
116+
minimum: 0,
117+
maximum: 1000000000000000000,
118+
};
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const result = schemaToOpenAPI(schema);
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122+
// Check that the result has the correct type, format, and constraints
123+
assert.equal(result.type, 'integer');
124+
assert.equal(result.format, 'int64');
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assert.equal(result.minimum, 0);
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assert.equal(result.maximum, 1000000000000000000);
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});

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