Create create.test.js

tests/commands/database/create.test.js

@@ -0,0 +1,47 @@
+const fs = require('fs-extra')
+const path = require('path')
+const { execSync } = require('child_process')
+
+beforeEach(() => {
+  fs.emptyDirSync('tests/__data__/output')
+
+  const stdout = execSync(
+    'DB_DIR=tests/__data__/output/database npm run db:create -- --input-dir=tests/__data__/input/channels --max-clusters=1',
+    { encoding: 'utf8' }
+  )
+})
+
+it('can create database', () => {
+  let output = content('tests/__data__/output/database/streams.db')
+  let expected = content('tests/__data__/expected/database/streams.db')
+
+  output = output.map(i => {
+    i._id = null
+    return i
+  })
+  expected = expected.map(i => {
+    i._id = null
+    return i
+  })
+
+  expect(output).toEqual(
+    expect.arrayContaining([
+      expect.objectContaining(expected[0]),
+      expect.objectContaining(expected[1]),
+      expect.objectContaining(expected[2])
+    ])
+  )
+})
+
+function content(filepath) {
+  const data = fs.readFileSync(path.resolve(filepath), {
+    encoding: 'utf8'
+  })
+
+  return data
+    .split('\n')
+    .filter(l => l)
+    .map(l => {
+      return JSON.parse(l)
+    })
+}