tape/test/end-as-callback.js

tap-producing test harness for node and browsers

var tap = require("tap");
var tape = require("../");

tap.test("tape assert.end as callback", function (tt) {
    var test = tape.createHarness({ exit: false })
    var tc = tap.createConsumer()

    var rows = []
    tc.on("data", function (r) { rows.push(r) })
    tc.on("end", function () {
        var rs = rows.map(function (r) {
            return r && typeof r === "object" ?
                { id: r.id, ok: r.ok, name: r.name.trim() } :
                r
        })

        tt.deepEqual(rs, [
            "TAP version 13",
            "do a task and write",
            { id: 1, ok: true, name: "null" },
            { id: 2, ok: true, name: "should be equal" },
            { id: 3, ok: true, name: "null" },
            "do a task and write fail",
            { id: 4, ok: true, name: "null" },
            { id: 5, ok: true, name: "should be equal" },
            { id: 6, ok: false, name: "Error: fail" },
            "tests 6",
            "pass  5",
            "fail  1"
        ])

        tt.end()
    })

    test.createStream().pipe(tc)

    test("do a task and write", function (assert) {
        fakeAsyncTask("foo", function (err, value) {
            assert.ifError(err)
            assert.equal(value, "taskfoo")

            fakeAsyncWrite("bar", assert.end)
        })
    })

    test("do a task and write fail", function (assert) {
        fakeAsyncTask("bar", function (err, value) {
            assert.ifError(err)
            assert.equal(value, "taskbar")

            fakeAsyncWriteFail("baz", assert.end)
        })
    })
})

function fakeAsyncTask(name, cb) {
    cb(null, "task" + name)
}

function fakeAsyncWrite(name, cb) {
    cb(null)
}

function fakeAsyncWriteFail(name, cb) {
    cb(new Error("fail"))
}