test: Ensure missing JSON contents do not break filename validation tests

Author: effigies

src/validators/validateFiles.test.ts

@@ -2,6 +2,7 @@ import { assert, assertEquals } from '@std/assert'
 import { filenameIdentify } from './filenameIdentify.ts'
 import { filenameValidate } from './filenameValidate.ts'
 import { BIDSContext, BIDSContextDataset } from '../schema/context.ts'
+import { makeBIDSContext } from '../schema/context.test.ts'
 import { loadSchema } from '../setup/loadSchema.ts'
 import type { GenericSchema, Schema } from '../types/schema.ts'
 import type { DatasetIssues } from '../issues/datasetIssues.ts'
@@ -11,12 +12,12 @@ import { StringOpener } from '../files/openers.test.ts'
 
 const schema = await loadSchema()
 
-function makeContext(path: string, contents: string = ''): BIDSContext {
+async function makeContext(path: string, contents: string = ''): Promise<BIDSContext> {
   const tree = pathsToTree([path])
   const dataset = new BIDSContextDataset({ schema, tree })
   const file = tree.get(path) as BIDSFile
   file.opener = new StringOpener(contents)
-  return new BIDSContext(file, dataset)
+  return makeBIDSContext(file, dataset)
 }
 
 Deno.test('test valid paths', async (t) => {
@@ -57,7 +58,7 @@ Deno.test('test valid paths', async (t) => {
   ]
   for (const filename of validFiles) {
     await t.step(filename, async () => {
-      const context = makeContext(filename)
+      const context = await makeContext(filename, '{"valid": "json"}')
       await filenameIdentify(schema, context)
       await filenameValidate(schema as unknown as GenericSchema, context)
       assertEquals(
@@ -116,7 +117,7 @@ Deno.test('test invalid paths', async (t) => {
   ]
   for (const filename of invalidFiles) {
     await t.step(filename, async () => {
-      const context = makeContext(filename)
+      const context = await makeContext(filename)
       await filenameIdentify(schema, context)
       await filenameValidate(schema as unknown as GenericSchema, context)
       assert(