test: implement run-test-file to run single json tests

Author: ChALkeR

test/json-schema.js

@@ -1,10 +1,9 @@
 'use strict'
 
-const tape = require('tape')
 const fs = require('fs')
 const path = require('path')
-const { validator, parser } = require('../')
 const schemas = require('./util/schemas')
+const { processTest } = require('./util/json-schema-test')
 
 // these tests require lax mode
 const unsafe = new Set([
@@ -89,7 +88,7 @@ function processTestDir(schemaDir, main, subdir = '') {
     const sub = path.join(subdir, file) // relative to schemaDir
     if (shouldIngore(sub)) continue
     if (file.endsWith('.json')) {
-      const content = fs.readFileSync(path.join(dir, file))
+      const content = fs.readFileSync(path.join(dir, file), 'utf-8')
       processTest(main, sub, JSON.parse(content), shouldIngore, requiresLax)
     } else {
       // assume it's a dir and let it fail otherwise
@@ -98,57 +97,6 @@ function processTestDir(schemaDir, main, subdir = '') {
   }
 }
 
-const schemaVersions = new Map(
-  Object.entries({
-    'draft2019-09': 'http://json-schema.org/draft/2019-09/schema#',
-    draft7: 'http://json-schema.org/draft-07/schema#',
-    draft6: 'http://json-schema.org/draft-06/schema#',
-    draft4: 'http://json-schema.org/draft-04/schema#',
-    draft3: 'http://json-schema.org/draft-03/schema#',
-  })
-)
-
-function processTest(main, id, file, shouldIngore, requiresLax) {
-  for (const block of file) {
-    if (shouldIngore(`${id}/${block.description}`)) continue
-    tape(`json-schema-test-suite ${main}/${id}/${block.description}`, (t) => {
-      try {
-        const mode = requiresLax(`${id}/${block.description}`) ? 'lax' : 'default'
-        const $schemaDefault = schemaVersions.get(main)
-        const extraFormats = main === 'draft3' // needs old formats
-        const blockSchemas = [
-          ...(Object.hasOwnProperty.call(block, 'schema') ? [block.schema] : []),
-          ...(block.schemas || []),
-        ]
-        for (const schema of blockSchemas) {
-          for (const [includeErrors, allErrors] of [[false, false], [true, false], [true, true]]) {
-            // ajv sometimes specifies just the schema id as "schema"
-            const wrapped = typeof schema === 'string' ? { $ref: schema } : schema
-            const opts = { schemas, mode, $schemaDefault, extraFormats, includeErrors, allErrors }
-            const validate = validator(wrapped, opts)
-            const parse = parser(wrapped, opts)
-            for (const test of block.tests) {
-              if (shouldIngore(`${id}/${block.description}/${test.description}`)) continue
-              t.same(validate(test.data), test.valid, test.description)
-              t.same(parse(JSON.stringify(test.data)).valid, test.valid, test.description)
-            }
-            if (mode === 'lax') {
-              t.throws(
-                () => validator(wrapped, { ...opts, mode: 'default' }),
-                'Throws without lax mode'
-              )
-            }
-          }
-        }
-      } catch (e) {
-        t.fail(e)
-      } finally {
-        t.end()
-      }
-    })
-  }
-}
-
 /** JSON Schema Test Suite tests **/
 const testsDir = 'JSON-Schema-Test-Suite/tests'
 processTestDir(testsDir, 'draft4')

test/util/json-schema-test.js

@@ -0,0 +1,58 @@
+'use strict'
+
+const tape = require('tape')
+const { validator, parser } = require('../../')
+const schemas = require('./schemas')
+
+const schemaVersions = new Map(
+  Object.entries({
+    'draft2019-09': 'http://json-schema.org/draft/2019-09/schema#',
+    draft7: 'http://json-schema.org/draft-07/schema#',
+    draft6: 'http://json-schema.org/draft-06/schema#',
+    draft4: 'http://json-schema.org/draft-04/schema#',
+    draft3: 'http://json-schema.org/draft-03/schema#',
+  })
+)
+
+function processTest(main, id, file, shouldIngore, requiresLax) {
+  for (const block of file) {
+    if (shouldIngore(`${id}/${block.description}`)) continue
+    tape(`json-schema-test-suite ${main}/${id}/${block.description}`, (t) => {
+      try {
+        const mode = requiresLax(`${id}/${block.description}`) ? 'lax' : 'default'
+        const $schemaDefault = schemaVersions.get(main)
+        const extraFormats = main === 'draft3' // needs old formats
+        const blockSchemas = [
+          ...(Object.hasOwnProperty.call(block, 'schema') ? [block.schema] : []),
+          ...(block.schemas || []),
+        ]
+        for (const schema of blockSchemas) {
+          for (const [includeErrors, allErrors] of [[false, false], [true, false], [true, true]]) {
+            // ajv sometimes specifies just the schema id as "schema"
+            const wrapped = typeof schema === 'string' ? { $ref: schema } : schema
+            const opts = { schemas, mode, $schemaDefault, extraFormats, includeErrors, allErrors }
+            const validate = validator(wrapped, opts)
+            const parse = parser(wrapped, opts)
+            for (const test of block.tests) {
+              if (shouldIngore(`${id}/${block.description}/${test.description}`)) continue
+              t.same(validate(test.data), test.valid, test.description)
+              t.same(parse(JSON.stringify(test.data)).valid, test.valid, test.description)
+            }
+            if (mode === 'lax') {
+              t.throws(
+                () => validator(wrapped, { ...opts, mode: 'default' }),
+                'Throws without lax mode'
+              )
+            }
+          }
+        }
+      } catch (e) {
+        t.fail(e)
+      } finally {
+        t.end()
+      }
+    })
+  }
+}
+
+module.exports = { processTest }

test/util/run-test-file.js

@@ -0,0 +1,12 @@
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+const { processTest } = require('./json-schema-test')
+
+const files = process.argv.slice(2)
+for (const file of files) {
+  if (!file.endsWith('.json')) throw new Error(`Not a JSON: ${file}`)
+  const content = fs.readFileSync(path.resolve(file), 'utf-8')
+  processTest('', file, JSON.parse(content), () => false, () => false)
+}