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parallel.js
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/**
* @author Toru Nagashima
* @copyright 2016 Toru Nagashima. All rights reserved.
* See LICENSE file in root directory for full license.
*/
"use strict"
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const assert = require("power-assert")
const nodeApi = require("../lib")
const spawnWithKill = require("./lib/spawn-with-kill")
const util = require("./lib/util")
const delay = util.delay
const result = util.result
const removeResult = util.removeResult
const runAll = util.runAll
const runPar = util.runPar
//------------------------------------------------------------------------------
// Test
//------------------------------------------------------------------------------
describe("[parallel]", () => {
before(() => process.chdir("test-workspace"))
after(() => process.chdir(".."))
beforeEach(() => delay(1000).then(removeResult))
describe("should run tasks on parallel when was given --parallel option:", () => {
it("Node API", async () => {
const results = await nodeApi(["test-task:append a", "test-task:append b"], { parallel: true })
assert(results.length === 2)
assert(results[0].name === "test-task:append a")
assert(results[0].code === 0)
assert(results[1].name === "test-task:append b")
assert(results[1].code === 0)
assert(
result() === "abab" ||
result() === "baba" ||
result() === "abba" ||
result() === "baab")
})
it("npm-run-all command", async () => {
await runAll(["--parallel", "test-task:append a", "test-task:append b"])
assert(
result() === "abab" ||
result() === "baba" ||
result() === "abba" ||
result() === "baab")
})
it("run-p command", async () => {
await runPar(["test-task:append a", "test-task:append b"])
assert(
result() === "abab" ||
result() === "baba" ||
result() === "abba" ||
result() === "baab")
})
})
describe("should kill all tasks when was given --parallel option if a task exited with a non-zero code:", () => {
it("Node API", async () => {
try {
await nodeApi(["test-task:append2 a", "test-task:error"], { parallel: true })
}
catch (err) {
assert(err.results.length === 2)
assert(err.results[0].name === "test-task:append2 a")
assert(err.results[0].code === undefined)
assert(err.results[1].name === "test-task:error")
assert(err.results[1].code === 1)
assert(result() == null || result() === "a")
return
}
assert(false, "should fail")
})
it("npm-run-all command", async () => {
try {
await runAll(["--parallel", "test-task:append2 a", "test-task:error"])
}
catch (_err) {
assert(result() == null || result() === "a")
return
}
assert(false, "should fail")
})
it("run-p command", async () => {
try {
await runPar(["test-task:append2 a", "test-task:error"])
}
catch (_err) {
assert(result() == null || result() === "a")
return
}
assert(false, "should fail")
})
})
describe("should remove intersected tasks from two or more patterns:", () => {
it("Node API", async () => {
await nodeApi(["test-task:*:a", "*:append:a"], { parallel: true })
assert(result() === "aa")
})
it("npm-run-all command", async () => {
await runAll(["--parallel", "test-task:*:a", "*:append:a"])
assert(result() === "aa")
})
it("run-p command", async () => {
await runPar(["test-task:*:a", "*:append:a"])
assert(result() === "aa")
})
})
describe("should not remove duplicate tasks from two or more the same pattern:", () => {
it("Node API", async () => {
await nodeApi(["test-task:*:a", "test-task:*:a"], { parallel: true })
assert(result() === "aaaa")
})
it("npm-run-all command", async () => {
await runAll(["--parallel", "test-task:*:a", "test-task:*:a"])
assert(result() === "aaaa")
})
it("run-p command", async () => {
await runPar(["test-task:*:a", "test-task:*:a"])
assert(result() === "aaaa")
})
})
describe("should kill child processes when it's killed", () => {
it("npm-run-all command", async () => {
await spawnWithKill(
"node",
["../bin/npm-run-all/index.js", "--parallel", "test-task:append2 a"]
)
assert(result() == null || result() === "a")
})
it("run-p command", async () => {
await spawnWithKill(
"node",
["../bin/run-p/index.js", "test-task:append2 a"]
)
assert(result() == null || result() === "a")
})
})
describe("should continue on error when --continue-on-error option was specified:", () => {
it("Node API", async () => {
try {
await nodeApi(["test-task:append a", "test-task:error", "test-task:append b"], { parallel: true, continueOnError: true })
}
catch (_err) {
assert(
result() === "abab" ||
result() === "baba" ||
result() === "abba" ||
result() === "baab"
)
return
}
assert(false, "should fail.")
})
it("npm-run-all command (--continue-on-error)", async () => {
try {
await runAll(["--continue-on-error", "--parallel", "test-task:append a", "test-task:error", "test-task:append b"])
}
catch (_err) {
assert(
result() === "abab" ||
result() === "baba" ||
result() === "abba" ||
result() === "baab"
)
return
}
assert(false, "should fail.")
})
it("npm-run-all command (-c)", async () => {
try {
await runAll(["-cp", "test-task:append a", "test-task:error", "test-task:append b"])
}
catch (_err) {
assert(
result() === "abab" ||
result() === "baba" ||
result() === "abba" ||
result() === "baab"
)
return
}
assert(false, "should fail.")
})
it("run-p command (--continue-on-error)", async () => {
try {
await runPar(["--continue-on-error", "test-task:append a", "test-task:error", "test-task:append b"])
}
catch (_err) {
assert(
result() === "abab" ||
result() === "baba" ||
result() === "abba" ||
result() === "baab"
)
return
}
assert(false, "should fail.")
})
it("run-p command (-c)", async () => {
try {
await runPar(["-c", "test-task:append a", "test-task:error", "test-task:append b"])
}
catch (_err) {
assert(
result() === "abab" ||
result() === "baba" ||
result() === "abba" ||
result() === "baab"
)
return
}
assert(false, "should fail.")
})
})
describe("should abort other tasks when a task finished, when --race option was specified:", () => {
it("Node API", async () => {
await nodeApi(["test-task:append1 a", "test-task:append2 b"], { parallel: true, race: true })
await delay(5000)
assert(result() === "a" || result() === "ab" || result() === "ba")
})
it("npm-run-all command (--race)", async () => {
await runAll(["--race", "--parallel", "test-task:append1 a", "test-task:append2 b"])
await delay(5000)
assert(result() === "a" || result() === "ab" || result() === "ba")
})
it("npm-run-all command (-r)", async () => {
await runAll(["-rp", "test-task:append1 a", "test-task:append2 b"])
await delay(5000)
assert(result() === "a" || result() === "ab" || result() === "ba")
})
it("run-p command (--race)", async () => {
await runPar(["--race", "test-task:append1 a", "test-task:append2 b"])
await delay(5000)
assert(result() === "a" || result() === "ab" || result() === "ba")
})
it("run-p command (-r)", async () => {
await runPar(["-r", "test-task:append1 a", "test-task:append2 b"])
await delay(5000)
assert(result() === "a" || result() === "ab" || result() === "ba")
})
it("run-p command (no -r)", async () => {
await runPar(["test-task:append1 a", "test-task:append2 b"])
await delay(5000)
assert(result() === "abb" || result() === "bab")
})
})
describe("should run tasks in parallel-2 when was given --max-parallel 2 option:", () => {
it("Node API", async () => {
const results = await nodeApi(["test-task:append a", "test-task:append b", "test-task:append c"], { parallel: true, maxParallel: 2 })
assert(results.length === 3)
assert(results[0].name === "test-task:append a")
assert(results[0].code === 0)
assert(results[1].name === "test-task:append b")
assert(results[1].code === 0)
assert(results[2].name === "test-task:append c")
assert(results[2].code === 0)
assert(
result() === "ababcc" ||
result() === "babacc" ||
result() === "abbacc" ||
result() === "baabcc"
)
})
it("npm-run-all command", async () => {
await runAll(["--parallel", "test-task:append a", "test-task:append b", "test-task:append c", "--max-parallel", "2"])
assert(
result() === "ababcc" ||
result() === "babacc" ||
result() === "abbacc" ||
result() === "baabcc"
)
})
it("run-p command", async () => {
await runPar(["test-task:append a", "test-task:append b", "test-task:append c", "--max-parallel", "2"])
assert(
result() === "ababcc" ||
result() === "babacc" ||
result() === "abbacc" ||
result() === "baabcc"
)
})
})
})