Function test

scripts/deno-tests.js:17–72

(name, backends, fn)

Deno.mkdirSync(rootTestDir, { recursive: true })

function test(name, backends, fn) {
  // Note: Do not try to add a timeout for the tests below. It turns out that
  // calling "setTimeout" from within "Deno.test" changes how Deno waits for
  // promises in a way that masks problems that would otherwise occur. We want
  // test coverage for the way that people will likely be using these API calls.
  //
  // Specifically tests that Deno would otherwise have failed with "error:
  // Promise resolution is still pending but the event loop has already
  // resolved" were being allowed to pass instead. See this issue for more
  // information: https://github.com/evanw/esbuild/issues/3682

  for (const backend of backends) {
    switch (backend) {
      case 'native':
        Deno.test(name + '-native', async () => {
          let testDir = path.join(rootTestDir, name + '-native')
          await Deno.mkdir(testDir, { recursive: true })
          try {
            await fn({ esbuild: esbuildNative, testDir })
            await Deno.remove(testDir, { recursive: true }).catch(() => null)
          } finally {
            await esbuildNative.stop()
          }
        })
        break

      case 'wasm-main':
        Deno.test(name + '-wasm-main', async () => {
          let testDir = path.join(rootTestDir, name + '-wasm-main')
          await esbuildWASM.initialize({ wasmModule, worker: false })
          await Deno.mkdir(testDir, { recursive: true })
          try {
            await fn({ esbuild: esbuildWASM, testDir })
            await Deno.remove(testDir, { recursive: true }).catch(() => null)
          } finally {
            await esbuildWASM.stop()
          }
        })
        break

      case 'wasm-worker':
        Deno.test(name + '-wasm-worker', async () => {
          let testDir = path.join(rootTestDir, name + '-wasm-worker')
          await esbuildWASM.initialize({ wasmModule, worker: true })
          await Deno.mkdir(testDir, { recursive: true })
          try {
            await fn({ esbuild: esbuildWASM, testDir })
            await Deno.remove(testDir, { recursive: true }).catch(() => null)
          } finally {
            await esbuildWASM.stop()
          }
        })
        break
    }
  }
}

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