fix(cli): fix doctor

src/packages/cli/package.json

@@ -121,6 +121,7 @@
     "test:generate": "./node_modules/.bin/mocha src/__tests__/integrate.generate.test.ts --require ts-mocha src/__tests__/integrate.generate.test.ts --timeout 10s",
     "test:dotenv": "./node_modules/.bin/mocha src/__tests__/dotenv.test.ts --require ts-mocha src/__tests__/dotenv.test.ts --timeout 10s",
     "test:format": "./node_modules/.bin/mocha src/__tests__/format.test.ts --require ts-mocha src/__tests__/format.test.ts --timeout 5s",
+    "test:doctor": "./node_modules/.bin/mocha src/__tests__/doctor.test.ts --require ts-mocha src/__tests__/doctor.test.ts --timeout 5s",
     "test:sqlite": "./node_modules/.bin/mocha src/__tests__/integrate.sqlite.test.ts --require ts-mocha src/__tests__/integrate.sqlite.test.ts --timeout 10s",
     "test:mariadb": "./node_modules/.bin/mocha src/__tests__/integrate.mariadb.test.ts --require ts-mocha src/__tests__/integrate.mariadb.test.ts --timeout 10s",
     "test:mysql": "./node_modules/.bin/mocha src/__tests__/integrate.mysql.test.ts --require ts-mocha src/__tests__/integrate.mysql.test.ts --timeout 10s",

src/packages/cli/src/Doctor.ts

@@ -68,7 +68,14 @@ export class Doctor implements Command {
       cwd: path.dirname(schemaPath),
     })
 
-    const { datamodel } = await engine.introspect(schema)
+    let datamodel
+    try {
+      const result = await engine.introspect(schema, true)
+      datamodel = result.datamodel
+    } finally {
+      engine.stop()
+    }
+
     const remoteDmmf = await getDMMF({ datamodel })
 
     const remoteModels = keyBy(
@@ -158,10 +165,11 @@ function printModelMessage({
   }
 
   for (const { localField, remoteField } of incorrectFieldType) {
-    const printField = (f: DMMF.Field) => f.name + (f.isList ? '[]' : '')
+    const printFieldType = (f: DMMF.Field) => f.type + (f.isList ? '[]' : '')
+
     msg += `↪ Field ${localField.name} has type ${chalk.greenBright(
-      localField.type + printField(localField),
-    )} locally, but ${chalk.redBright(printField(remoteField))} remote`
+      printFieldType(localField),
+    )} locally, but ${chalk.redBright(printFieldType(remoteField))} remote\n`
   }
 
   return msg

src/packages/cli/src/__tests__/doctor.test.ts

@@ -0,0 +1,74 @@
+import tempy from 'tempy'
+import path from 'path'
+import { Doctor } from '../Doctor'
+import copy from '@apexearth/copy'
+import assert from 'assert'
+import stripAnsi from 'strip-ansi'
+
+describe('doctor', () => {
+  it('doctor should succeed when schema and db match', async () => {
+    const tmpDir = tempy.directory()
+    await copy({
+      from: path.join(__dirname, 'fixtures/example-project/prisma'),
+      to: tmpDir,
+      recursive: true,
+    })
+    const cwd = process.cwd()
+    process.chdir(tmpDir)
+
+    const doctor = Doctor.new()
+    const errLog = []
+    const oldConsoleError = console.error
+    console.error = (...args) => {
+      errLog.push(...args)
+    }
+    const result = await doctor.parse([])
+    console.error = oldConsoleError
+
+    assert.deepEqual(errLog, [`👩‍⚕️🏥 Prisma Doctor checking the database...`])
+    assert.equal(result, 'Everything in sync 🔄')
+
+    process.chdir(cwd)
+  })
+
+  it('should fail when schema and db dont match', async () => {
+    const tmpDir = tempy.directory()
+    await copy({
+      from: path.join(__dirname, 'fixtures/schema-db-out-of-sync'),
+      to: tmpDir,
+      recursive: true,
+    })
+    const cwd = process.cwd()
+    process.chdir(tmpDir)
+
+    const doctor = Doctor.new()
+    const errLog = []
+    const oldConsoleError = console.error
+    console.error = (...args) => {
+      errLog.push(...args)
+    }
+    let err
+    try {
+      const result = await doctor.parse([])
+    } catch (e) {
+      err = e
+    }
+    console.error = oldConsoleError
+
+    assert.equal(
+      stripAnsi(err.message),
+      `
+
+Post
+↪ Model is missing in database
+
+
+User
+↪ Field name is missing in database
+↪ Field posts is missing in database
+`,
+    )
+
+    process.chdir(cwd)
+  })
+})

src/packages/cli/src/__tests__/fixtures/schema-db-out-of-sync/schema.prisma

@@ -0,0 +1,34 @@
+generator client {
+  provider = "prisma-client-js"
+  output   = "../generated/client"
+}
+
+datasource db {
+  provider = "sqlite"
+  url      = "file:dev.db"
+}
+
+model Post {
+  id        Int      @default(autoincrement()) @id
+  createdAt DateTime @default(now())
+  title     String
+  content   String?
+  published Boolean  @default(false)
+  author    User     @relation(fields: [authorId], references: [id])
+  authorId  Int
+}
+
+model Profile {
+  id     Int     @default(autoincrement()) @id
+  bio    String?
+  user   User    @relation(fields: [userId], references: [id])
+  userId Int     @unique
+}
+
+model User {
+  id      Int      @default(autoincrement()) @id
+  email   String   @unique
+  name    String?
+  posts   Post[]
+  profile Profile?
+}