feat(validate): add lint warnings

packages/cli/src/Doctor.ts

@@ -77,7 +77,7 @@ ${chalk.bold('Examples')}
 
     const schema = await readFile(schemaPath, 'utf-8')
     const localDmmf = await getDMMF({ datamodel: schema })
-    const config = await getConfig({ datamodel: schema })
+    const config = await getConfig({ datamodel: schema, ignoreEnvVarErrors: false })
 
     console.error(`👩‍⚕️🏥 Prisma Doctor checking the database...`)
 

packages/cli/src/Format.ts

@@ -1,9 +1,7 @@
-import type { Command } from '@prisma/internals'
-import { arg, format, formatms, formatSchema, getDMMF, HelpError } from '@prisma/internals'
+import { arg, Command, format, formatms, formatSchema, getDMMF, HelpError } from '@prisma/internals'
 import { getSchemaPathAndPrint } from '@prisma/migrate'
 import chalk from 'chalk'
 import fs from 'fs'
-import os from 'os'
 
 /**
  * $ prisma format
@@ -63,7 +61,7 @@ Or specify a Prisma schema path
       })
     } catch (e) {
       console.error('') // empty line for better readability
-      throw new Error(`${e.message}`)
+      throw e
     }
 
     fs.writeFileSync(schemaPath, output)

packages/cli/src/Validate.ts

@@ -1,5 +1,15 @@
 import type { Command } from '@prisma/internals'
-import { arg, format, getConfig, getDMMF, HelpError, loadEnvFile } from '@prisma/internals'
+import {
+  arg,
+  format,
+  getConfig,
+  getDMMF,
+  getLintWarningsAsText,
+  handleLintPanic,
+  HelpError,
+  lintSchema,
+  loadEnvFile,
+} from '@prisma/internals'
 import { getSchemaPathAndPrint } from '@prisma/migrate'
 import chalk from 'chalk'
 import fs from 'fs'
@@ -56,13 +66,35 @@ ${chalk.bold('Examples')}
 
     const schema = fs.readFileSync(schemaPath, 'utf-8')
 
-    // TODO is the order of getDMMF / getConfig important
-    await getDMMF({
-      datamodel: schema,
-    })
+    const { lintDiagnostics } = handleLintPanic(
+      () => {
+        // the only possible error here is a Rust panic
+        const lintDiagnostics = lintSchema({ schema })
+        return { lintDiagnostics }
+      },
+      { schema },
+    )
+
+    const lintWarnings = getLintWarningsAsText(lintDiagnostics)
+    if (lintWarnings) {
+      // Output warnings to stderr
+      console.warn(lintWarnings)
+    }
+
+    try {
+      // Validate whether the formatted output is a valid schema
+      await getDMMF({
+        datamodel: schema,
+      })
+    } catch (e) {
+      console.error('') // empty line for better readability
+      throw e
+    }
 
+    // We could have a CLI flag to ignore env var validation
     await getConfig({
       datamodel: schema,
+      ignoreEnvVarErrors: false,
     })
 
     return `The schema at ${chalk.underline(schemaPath)} is valid 🚀`

packages/cli/src/Version.ts

@@ -131,6 +131,7 @@ export class Version implements Command {
       const datamodel = await getSchema()
       const config = await getConfig({
         datamodel,
+        ignoreEnvVarErrors: false,
       })
       const generator = config.generators.find((g) => g.previewFeatures.length > 0)
       if (generator) {

packages/cli/src/__tests__/artificial-panic.test.ts

@@ -130,7 +130,7 @@ describeIf(process.env.PRISMA_CLI_QUERY_ENGINE_TYPE == 'library')('artificial-pa
     process.env = { ...OLD_ENV }
   })
 
-  it('query-engine get-dmmf library', async () => {
+  it('query-engine get-dmmf library - validate', async () => {
     ctx.fixture('artificial-panic')
     expect.assertions(5)
     process.env.FORCE_PANIC_QUERY_ENGINE_GET_DMMF = '1'
@@ -161,6 +161,38 @@ describeIf(process.env.PRISMA_CLI_QUERY_ENGINE_TYPE == 'library')('artificial-pa
       })
     }
   })
+
+  it('query-engine get-dmmf library - format', async () => {
+    ctx.fixture('artificial-panic')
+    expect.assertions(5)
+    process.env.FORCE_PANIC_QUERY_ENGINE_GET_DMMF = '1'
+
+    const command = new Format()
+    try {
+      await command.parse([])
+    } catch (e) {
+      expect(e).toMatchInlineSnapshot(`FORCE_PANIC_QUERY_ENGINE_GET_DMMF`)
+      expect(isRustPanic(e)).toBe(true)
+      expect(e.rustStack).toBeTruthy()
+      expect(e.schema).toMatchInlineSnapshot(`
+        // This is your Prisma schema file,
+        // learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+        generator client {
+          provider = "prisma-client-js"
+        }
+
+        datasource db {
+          provider = "postgresql"
+          url      = env("DATABASE_URL")
+        }
+
+      `)
+      expect(e).toMatchObject({
+        schemaPath: undefined,
+      })
+    }
+  })
 })
 
 describeIf(process.env.PRISMA_CLI_QUERY_ENGINE_TYPE == 'binary')('artificial-panic binary', () => {
@@ -170,7 +202,7 @@ describeIf(process.env.PRISMA_CLI_QUERY_ENGINE_TYPE == 'binary')('artificial-pan
     process.env = { ...OLD_ENV }
   })
 
-  it('query-engine get-dmmf binary', async () => {
+  it('query-engine get-dmmf binary - validate', async () => {
     ctx.fixture('artificial-panic')
     expect.assertions(5)
     process.env.FORCE_PANIC_QUERY_ENGINE_GET_DMMF = '1'
@@ -190,4 +222,25 @@ describeIf(process.env.PRISMA_CLI_QUERY_ENGINE_TYPE == 'binary')('artificial-pan
       })
     }
   })
+
+  it('query-engine get-dmmf binary - format', async () => {
+    ctx.fixture('artificial-panic')
+    expect.assertions(5)
+    process.env.FORCE_PANIC_QUERY_ENGINE_GET_DMMF = '1'
+
+    const command = new Format()
+    try {
+      await command.parse([])
+    } catch (e) {
+      expect(e).toMatchInlineSnapshot(
+        `Command failed with exit code 101: prisma-engines-path FORCE_PANIC_QUERY_ENGINE_GET_DMMF`,
+      )
+      expect(isRustPanic(e)).toBe(true)
+      expect(e.rustStack).toBeTruthy()
+      expect(e.schemaPath).toBeTruthy()
+      expect(e).toMatchObject({
+        schema: undefined,
+      })
+    }
+  })
 })

packages/cli/src/__tests__/commands/Format.test.ts

@@ -1,9 +1,9 @@
-import { jestContext } from '@prisma/internals'
+import { jestConsoleContext, jestContext } from '@prisma/internals'
 import fs from 'fs-jetpack'
 
 import { Format } from '../../Format'
 
-const ctx = jestContext.new().assemble()
+const ctx = jestContext.new().add(jestConsoleContext()).assemble()
 
 it('format should add a trailing EOL', async () => {
   ctx.fixture('example-project/prisma')
@@ -21,3 +21,31 @@ it('format should throw if schema is broken', async () => {
   ctx.fixture('example-project/prisma')
   await expect(Format.new().parse(['--schema=broken.prisma'])).rejects.toThrowError()
 })
+
+it('format should succeed and show a warning on stderr (preview feature deprecated)', async () => {
+  ctx.fixture('lint-warnings')
+  await expect(Format.new().parse(['--schema=preview-feature-deprecated.prisma'])).resolves.toBeTruthy()
+
+  // stderr
+  expect(ctx.mocked['console.warn'].mock.calls.join('\n')).toMatchInlineSnapshot(`
+
+            Prisma schema warning:
+            - Preview feature "nativeTypes" is deprecated. The functionality can be used without specifying it as a preview feature.
+      `)
+  expect(ctx.mocked['console.error'].mock.calls.join('\n')).toMatchInlineSnapshot(``)
+})
+
+it('format should throw with an error and show a warning on stderr (preview feature deprecated)', async () => {
+  ctx.fixture('lint-warnings')
+  await expect(Format.new().parse(['--schema=preview-feature-deprecated-and-error.prisma'])).rejects.toThrowError(
+    'P1012',
+  )
+
+  // stderr
+  expect(ctx.mocked['console.warn'].mock.calls.join('\n')).toMatchInlineSnapshot(`
+
+            Prisma schema warning:
+            - Preview feature "nativeTypes" is deprecated. The functionality can be used without specifying it as a preview feature.
+      `)
+  expect(ctx.mocked['console.error'].mock.calls.join('\n')).toMatchInlineSnapshot(``)
+})

packages/cli/src/__tests__/commands/Validate.test.ts

@@ -1,8 +1,8 @@
-import { jestContext, serializeQueryEngineName } from '@prisma/internals'
+import { jestConsoleContext, jestContext, serializeQueryEngineName } from '@prisma/internals'
 
 import { Validate } from '../../Validate'
 
-const ctx = jestContext.new().assemble()
+const ctx = jestContext.new().add(jestConsoleContext()).assemble()
 
 it('validate should succeed if schema is valid', async () => {
   ctx.fixture('example-project/prisma')
@@ -21,6 +21,34 @@ it('validate should throw if env var is not set', async () => {
   )
 })
 
+it('validate should succeed and show a warning on stderr (preview feature deprecated)', async () => {
+  ctx.fixture('lint-warnings')
+  await expect(Validate.new().parse(['--schema=preview-feature-deprecated.prisma'])).resolves.toBeTruthy()
+
+  // stderr
+  expect(ctx.mocked['console.warn'].mock.calls.join('\n')).toMatchInlineSnapshot(`
+
+            Prisma schema warning:
+            - Preview feature "nativeTypes" is deprecated. The functionality can be used without specifying it as a preview feature.
+      `)
+  expect(ctx.mocked['console.error'].mock.calls.join('\n')).toMatchInlineSnapshot(``)
+})
+
+it('validate should throw with an error and show a warning on stderr (preview feature deprecated)', async () => {
+  ctx.fixture('lint-warnings')
+  await expect(Validate.new().parse(['--schema=preview-feature-deprecated-and-error.prisma'])).rejects.toThrowError(
+    'P1012',
+  )
+
+  // stderr
+  expect(ctx.mocked['console.warn'].mock.calls.join('\n')).toMatchInlineSnapshot(`
+
+            Prisma schema warning:
+            - Preview feature "nativeTypes" is deprecated. The functionality can be used without specifying it as a preview feature.
+      `)
+  expect(ctx.mocked['console.error'].mock.calls.join('\n')).toMatchInlineSnapshot(``)
+})
+
 describe('referential actions', () => {
   beforeEach(() => {
     ctx.fixture('referential-actions/no-action/relationMode-prisma')

packages/cli/src/__tests__/fixtures/lint-warnings/preview-feature-deprecated-and-error.prisma

@@ -0,0 +1,4 @@
+generator client {
+    provider        = "prisma-client-js"
+    previewFeatures = ["nativeTypes", "does-not-exists"]
+}

packages/cli/src/__tests__/fixtures/lint-warnings/preview-feature-deprecated.prisma

@@ -0,0 +1,4 @@
+generator client {
+    provider        = "prisma-client-js"
+    previewFeatures = ["nativeTypes"]
+}

packages/client/tests/memory/_utils/generateMemoryTestClient.ts

@@ -9,7 +9,11 @@ import { MemoryTestDir } from './MemoryTestDir'
 export async function generateMemoryTestClient(testDir: MemoryTestDir) {
   const schema = await fs.readFile(testDir.schemaFilePath, 'utf8')
   const dmmf = await getDMMF({ datamodel: schema, datamodelPath: testDir.schemaFilePath })
-  const config = await getConfig({ datamodel: schema, datamodelPath: testDir.schemaFilePath })
+  const config = await getConfig({
+    datamodel: schema,
+    datamodelPath: testDir.schemaFilePath,
+    ignoreEnvVarErrors: false,
+  })
   const generator = config.generators.find((g) => parseEnvValue(g.provider) === 'prisma-client-js')
 
   await generateClient({

packages/internals/src/__tests__/engine-commands/getConfig.test.ts

@@ -7,7 +7,7 @@ describe('getConfig', () => {
 
     try {
       // @ts-expect-error
-      await getConfig({ datamodel: true })
+      await getConfig({ datamodel: true, ignoreEnvVarErrors: false })
     } catch (e) {
       const error = e as Error
       expect(isRustPanic(error)).toBe(true)
@@ -16,6 +16,7 @@ describe('getConfig', () => {
 
   test('empty config', async () => {
     const config = await getConfig({
+      ignoreEnvVarErrors: false,
       datamodel: `
       datasource db {
         provider = "sqlite"
@@ -37,6 +38,7 @@ describe('getConfig', () => {
 
   test('with generator and datasource', async () => {
     const config = await getConfig({
+      ignoreEnvVarErrors: false,
       datamodel: `
     datasource db {
       url = "file:dev.db"
@@ -64,6 +66,7 @@ describe('getConfig', () => {
     process.env.TEST_POSTGRES_URI_FOR_DATASOURCE = 'postgres://user:password@something:5432/db'
 
     const config = await getConfig({
+      ignoreEnvVarErrors: false,
       datamodel: `
       datasource db {
         provider = "postgresql"
@@ -90,6 +93,7 @@ describe('getConfig', () => {
   })
   test('with engineType="binary"', async () => {
     const binaryConfig = await getConfig({
+      ignoreEnvVarErrors: false,
       datamodel: `
       datasource db {
         provider = "sqlite"
@@ -141,6 +145,7 @@ Object {
   })
   test('with engineType="library"', async () => {
     const libraryConfig = await getConfig({
+      ignoreEnvVarErrors: false,
       datamodel: `
       datasource db {
         provider = "sqlite"

packages/internals/src/__tests__/engine-commands/lintSchema.test.ts

@@ -29,7 +29,7 @@ describe('lint valid schema with a deprecated preview feature', () => {
   }
 
   test('should return a deprecated preview feature warning', () => {
-    const lintDiagnostics = lintSchema(schema)
+    const lintDiagnostics = lintSchema({ schema })
 
     expect(ctx.mocked['console.log'].mock.calls.join('\n')).toMatchInlineSnapshot(`""`)
     expect(ctx.mocked['console.warn'].mock.calls.join('\n')).toMatchInlineSnapshot(`""`)
@@ -83,7 +83,7 @@ Either choose another referential action, or make the referenced fields optional
   }
 
   test('should return a parsing error and a deprecated preview feature warning', () => {
-    const lintDiagnostics = lintSchema(schema)
+    const lintDiagnostics = lintSchema({ schema })
 
     expect(ctx.mocked['console.log'].mock.calls.join('\n')).toMatchInlineSnapshot(`""`)
     expect(ctx.mocked['console.warn'].mock.calls.join('\n')).toMatchInlineSnapshot(`""`)