Add tests for the validate functions

packages/app/src/cli/services/init/validate.test.ts

@@ -0,0 +1,55 @@
+import {validateTemplateValue, validateFlavorValue} from './validate.js'
+import {describe, expect, test} from 'vitest'
+import {AbortError} from '@shopify/cli-kit/node/error'
+
+describe('validateTemplateValue', () => {
+  test('should not throw an error for undefined template', () => {
+    expect(() => validateTemplateValue(undefined)).not.toThrow()
+  })
+
+  test('should not throw an error for valid GitHub URL', () => {
+    expect(() => validateTemplateValue('https://github.com/Shopify/example')).not.toThrow()
+  })
+
+  test('should throw an AbortError for non-GitHub URL', () => {
+    expect(() => validateTemplateValue('https://gitlab.com/example')).toThrow(AbortError)
+  })
+
+  test('should not throw an error for valid predefined template', () => {
+    expect(() => validateTemplateValue('node')).not.toThrow()
+  })
+
+  test('should throw an AbortError for invalid template', () => {
+    expect(() => validateTemplateValue('invalid-template')).toThrow(AbortError)
+  })
+})
+
+describe('validateFlavorValue', () => {
+  test('should not throw an error when both template and flavor are undefined', () => {
+    expect(() => validateFlavorValue(undefined, undefined)).not.toThrow()
+  })
+
+  test('should throw an AbortError when flavor is provided without template', () => {
+    expect(() => validateFlavorValue(undefined, 'some-flavor')).toThrow(AbortError)
+  })
+
+  test('should not throw an error when template is provided without flavor', () => {
+    expect(() => validateFlavorValue('node', undefined)).not.toThrow()
+  })
+
+  test('should throw an AbortError when flavor is provided for custom template', () => {
+    expect(() => validateFlavorValue('https://github.com/custom/template', 'some-flavor')).toThrow(AbortError)
+  })
+
+  test('should throw an AbortError when template does not support flavors', () => {
+    expect(() => validateFlavorValue('ruby', 'some-flavor')).toThrow(AbortError)
+  })
+
+  test('should throw an AbortError for invalid flavor option', () => {
+    expect(() => validateFlavorValue('remix', 'invalid-flavor')).toThrow(AbortError)
+  })
+
+  test('should not throw an error for valid template and flavor combination', () => {
+    expect(() => validateFlavorValue('remix', 'javascript')).not.toThrow()
+  })
+})