test: add tests for isDirectoryExisting

test/functions/isDirectoryExisting.spec.ts

@@ -0,0 +1,21 @@
+import test from 'ava'
+
+import isDirectoryExisting from '@/src/functions/isDirectoryExisting'
+import mockDependencies from '@/test/__helpers__/mockDependencies'
+
+
+test('directory exists', async t => {
+	const dependencies = mockDependencies({
+		fsAccess: async () => Promise.resolve(),
+	})
+
+	t.is(await isDirectoryExisting('/exists', dependencies), true)
+})
+
+test('directory does not exists', async t => {
+	const dependencies = mockDependencies({
+		fsAccess: async () => Promise.reject(new Error('File does not exists')),
+	})
+
+	t.is(await isDirectoryExisting('/does-not-exists', dependencies), false)
+})