mapcomplete/test/CodeQuality.spec.ts

68 lines
1.9 KiB
TypeScript

import { describe } from "mocha"
import { exec } from "child_process"
/**
*
* @param forbidden: a GREP-regex. This means that '.' is a wildcard and should be escaped to match a literal dot
* @param reason
* @private
*/
function detectInCode(forbidden: string, reason: string) {
const excludedDirs = [
".git",
"node_modules",
"dist",
".cache",
".parcel-cache",
"assets",
"vendor",
".idea/",
]
exec(
'grep -n "' +
forbidden +
'" -r . ' +
excludedDirs.map((d) => "--exclude-dir=" + d).join(" "),
(error, stdout, stderr) => {
if (error?.message?.startsWith("Command failed: grep")) {
console.warn("Command failed!")
return
}
if (error !== null) {
throw error
}
if (stderr !== "") {
throw stderr
}
const found = stdout
.split("\n")
.filter((s) => s !== "")
.filter((s) => !s.startsWith("./test/"))
if (found.length > 0) {
throw `Found a '${forbidden}' at \n ${found.join("\n ")}.\n ${reason}`
}
}
)
}
describe("Code quality", () => {
it("should not contain reverse", () => {
detectInCode(
"reverse()",
"Reverse is stateful and changes the source list. This often causes subtle bugs"
)
})
it("should not contain 'constructor.name'", () => {
detectInCode("constructor\\.name", "This is not allowed, as minification does erase names.")
})
it("should not contain 'innerText'", () => {
detectInCode(
"innerText",
"innerText is not allowed as it is not testable with fakeDom. Use 'textContent' instead."
)
})
})