fix(site): username validation in forms (#1851)

* refactor(site): move name validation to utils
* fix(site): username validation in forms

site/src/components/CreateUserForm/CreateUserForm.tsx

@@ -4,7 +4,7 @@ import { FormikContextType, FormikErrors, useFormik } from "formik"
 import React from "react"
 import * as Yup from "yup"
 import * as TypesGen from "../../api/typesGenerated"
-import { getFormHelpers, onChangeTrimmed } from "../../util/formUtils"
+import { getFormHelpers, nameValidator, onChangeTrimmed } from "../../util/formUtils"
 import { FormFooter } from "../FormFooter/FormFooter"
 import { FullPageForm } from "../FullPageForm/FullPageForm"
 
@@ -15,7 +15,6 @@ export const Language = {
   emailInvalid: "Please enter a valid email address.",
   emailRequired: "Please enter an email address.",
   passwordRequired: "Please enter a password.",
-  usernameRequired: "Please enter a username.",
   createUser: "Create",
   cancel: "Cancel",
 }
@@ -32,7 +31,7 @@ export interface CreateUserFormProps {
 const validationSchema = Yup.object({
   email: Yup.string().trim().email(Language.emailInvalid).required(Language.emailRequired),
   password: Yup.string().required(Language.passwordRequired),
-  username: Yup.string().required(Language.usernameRequired),
+  username: nameValidator(Language.usernameLabel),
 })
 
 export const CreateUserForm: React.FC<CreateUserFormProps> = ({

site/src/components/SettingsAccountForm/SettingsAccountForm.tsx

@@ -3,7 +3,7 @@ import TextField from "@material-ui/core/TextField"
 import { FormikContextType, FormikErrors, useFormik } from "formik"
 import React from "react"
 import * as Yup from "yup"
-import { getFormHelpers, onChangeTrimmed } from "../../util/formUtils"
+import { getFormHelpers, nameValidator, onChangeTrimmed } from "../../util/formUtils"
 import { LoadingButton } from "../LoadingButton/LoadingButton"
 import { Stack } from "../Stack/Stack"
 
@@ -22,7 +22,7 @@ export const Language = {
 
 const validationSchema = Yup.object({
   email: Yup.string().trim().email(Language.emailInvalid).required(Language.emailRequired),
-  username: Yup.string().trim(),
+  username: nameValidator(Language.usernameLabel),
 })
 
 export type AccountFormErrors = FormikErrors<AccountFormValues>

site/src/pages/CreateWorkspacePage/CreateWorkspacePage.test.tsx

@@ -1,13 +1,13 @@
 import { screen, waitFor } from "@testing-library/react"
 import userEvent from "@testing-library/user-event"
 import React from "react"
-import { reach, StringSchema } from "yup"
 import * as API from "../../api/api"
 import { Language as FooterLanguage } from "../../components/FormFooter/FormFooter"
 import { MockTemplate, MockWorkspace } from "../../testHelpers/entities"
 import { renderWithAuth } from "../../testHelpers/renderHelpers"
+import { Language as FormLanguage } from "../../util/formUtils"
 import CreateWorkspacePage from "./CreateWorkspacePage"
-import { Language, validationSchema } from "./CreateWorkspacePageView"
+import { Language } from "./CreateWorkspacePageView"
 
 const renderCreateWorkspacePage = () => {
   return renderWithAuth(<CreateWorkspacePage />, {
@@ -23,8 +23,6 @@ const fillForm = async ({ name = "example" }: { name?: string }) => {
   await userEvent.click(submitButton)
 }
 
-const nameSchema = reach(validationSchema, "name") as StringSchema
-
 describe("CreateWorkspacePage", () => {
   it("renders", async () => {
     renderCreateWorkspacePage()
@@ -35,7 +33,7 @@ describe("CreateWorkspacePage", () => {
   it("shows validation error message", async () => {
     renderCreateWorkspacePage()
     await fillForm({ name: "$$$" })
-    const errorMessage = await screen.findByText(Language.nameMatches)
+    const errorMessage = await screen.findByText(FormLanguage.nameInvalidChars(Language.nameLabel))
     expect(errorMessage).toBeDefined()
   })
 
@@ -47,38 +45,4 @@ describe("CreateWorkspacePage", () => {
     // Check if the request was made
     await waitFor(() => expect(API.createWorkspace).toBeCalledTimes(1))
   })
-
-  describe("validationSchema", () => {
-    it("allows a 1-letter name", () => {
-      const validate = () => nameSchema.validateSync("t")
-      expect(validate).not.toThrow()
-    })
-
-    it("allows a 32-letter name", () => {
-      const input = Array(32).fill("a").join("")
-      const validate = () => nameSchema.validateSync(input)
-      expect(validate).not.toThrow()
-    })
-
-    it("allows 'test-3' to be used as name", () => {
-      const validate = () => nameSchema.validateSync("test-3")
-      expect(validate).not.toThrow()
-    })
-
-    it("allows '3-test' to be used as a name", () => {
-      const validate = () => nameSchema.validateSync("3-test")
-      expect(validate).not.toThrow()
-    })
-
-    it("disallows a 33-letter name", () => {
-      const input = Array(33).fill("a").join("")
-      const validate = () => nameSchema.validateSync(input)
-      expect(validate).toThrow()
-    })
-
-    it("disallows a space", () => {
-      const validate = () => nameSchema.validateSync("test 3")
-      expect(validate).toThrow()
-    })
-  })
 })

site/src/pages/CreateWorkspacePage/CreateWorkspacePageView.tsx

@@ -10,22 +10,13 @@ import { Loader } from "../../components/Loader/Loader"
 import { Margins } from "../../components/Margins/Margins"
 import { ParameterInput } from "../../components/ParameterInput/ParameterInput"
 import { Stack } from "../../components/Stack/Stack"
-import { getFormHelpers, onChangeTrimmed } from "../../util/formUtils"
+import { getFormHelpers, nameValidator, onChangeTrimmed } from "../../util/formUtils"
 
 export const Language = {
   templateLabel: "Template",
   nameLabel: "Name",
-  nameRequired: "Please enter a name.",
-  nameMatches: "Name must start with a-Z or 0-9 and can contain a-Z, 0-9 or -",
-  nameMax: "Name cannot be longer than 32 characters",
 }
 
-// REMARK: Keep in sync with coderd/httpapi/httpapi.go#L40
-const maxLenName = 32
-
-// REMARK: Keep in sync with coderd/httpapi/httpapi.go#L18
-const usernameRE = /^[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*$/
-
 export interface CreateWorkspacePageViewProps {
   loadingTemplates: boolean
   loadingTemplateSchema: boolean
@@ -39,10 +30,7 @@ export interface CreateWorkspacePageViewProps {
 }
 
 export const validationSchema = Yup.object({
-  name: Yup.string()
-    .required(Language.nameRequired)
-    .matches(usernameRE, Language.nameMatches)
-    .max(maxLenName, Language.nameMax),
+  name: nameValidator(Language.nameLabel),
 })
 
 export const CreateWorkspacePageView: React.FC<CreateWorkspacePageViewProps> = (props) => {

site/src/util/formUtils.test.ts

@@ -1,5 +1,5 @@
 import { FormikContextType } from "formik/dist/types"
-import { getFormHelpers, onChangeTrimmed } from "./formUtils"
+import { getFormHelpers, nameValidator, onChangeTrimmed } from "./formUtils"
 
 interface TestType {
   untouchedGoodField: string
@@ -35,6 +35,8 @@ const form = {
   },
 } as unknown as FormikContextType<TestType>
 
+const nameSchema = nameValidator("name")
+
 describe("form util functions", () => {
   describe("getFormHelpers", () => {
     describe("without API errors", () => {
@@ -94,4 +96,38 @@ describe("form util functions", () => {
       expect(mockHandleChange).toHaveBeenCalledWith({ target: { value: "hello" } })
     })
   })
+
+  describe("nameValidator", () => {
+    it("allows a 1-letter name", () => {
+      const validate = () => nameSchema.validateSync("a")
+      expect(validate).not.toThrow()
+    })
+
+    it("allows a 32-letter name", () => {
+      const input = Array(32).fill("a").join("")
+      const validate = () => nameSchema.validateSync(input)
+      expect(validate).not.toThrow()
+    })
+
+    it("allows 'test-3' to be used as name", () => {
+      const validate = () => nameSchema.validateSync("test-3")
+      expect(validate).not.toThrow()
+    })
+
+    it("allows '3-test' to be used as a name", () => {
+      const validate = () => nameSchema.validateSync("3-test")
+      expect(validate).not.toThrow()
+    })
+
+    it("disallows a 33-letter name", () => {
+      const input = Array(33).fill("a").join("")
+      const validate = () => nameSchema.validateSync(input)
+      expect(validate).toThrow()
+    })
+
+    it("disallows a space", () => {
+      const validate = () => nameSchema.validateSync("test 3")
+      expect(validate).toThrow()
+    })
+  })
 })

site/src/util/formUtils.ts

@@ -1,5 +1,18 @@
 import { FormikContextType, FormikErrors, getIn } from "formik"
 import { ChangeEvent, ChangeEventHandler, FocusEventHandler, ReactNode } from "react"
+import * as Yup from "yup"
+
+export const Language = {
+  nameRequired: (name: string): string => {
+    return `Please enter a ${name.toLowerCase()}.`
+  },
+  nameInvalidChars: (name: string): string => {
+    return `${name} must start with a-Z or 0-9 and can contain a-Z, 0-9 or -`
+  },
+  nameTooLong: (name: string): string => {
+    return `${name} cannot be longer than 32 characters`
+  },
+}
 
 interface FormHelpers {
   name: string
@@ -38,3 +51,16 @@ export const onChangeTrimmed =
     event.target.value = event.target.value.trim()
     form.handleChange(event)
   }
+
+// REMARK: Keep in sync with coderd/httpapi/httpapi.go#L40
+const maxLenName = 32
+
+// REMARK: Keep in sync with coderd/httpapi/httpapi.go#L18
+const usernameRE = /^[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*$/
+
+// REMARK: see #1756 for name/username semantics
+export const nameValidator = (name: string): Yup.StringSchema =>
+  Yup.string()
+    .required(Language.nameRequired(name))
+    .matches(usernameRE, Language.nameInvalidChars(name))
+    .max(maxLenName, Language.nameTooLong(name))