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underscore_test.go
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underscore_test.go
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package otto
import (
. "./terst"
"github.com/robertkrimen/otto/underscore"
"testing"
)
func init() {
underscore.Disable()
}
var (
_underscoreTest = struct {
Otto *Otto
test func(string, ...interface{}) Value
}{}
)
func underscoreTest() func(string, ...interface{}) Value {
cache := &_underscoreTest
if cache.Otto == nil {
Otto, test := runTestWithOtto()
cache.Otto, cache.test = Otto, test
Otto.Run(underscore.Source())
Otto.Set("assert", func(call FunctionCall) Value {
if !toBoolean(call.Argument(0)) {
message := "Assertion failed"
if len(call.ArgumentList) > 1 {
message = toString(call.ArgumentList[1])
}
Fail(message)
return FalseValue()
}
return TrueValue()
})
Otto.Run(`
var templateSettings;
function _setup() {
templateSettings = _.clone(_.templateSettings);
}
function _teardown() {
_.templateSettings = templateSettings;
}
function module() {
/* Nothing happens. */
}
function equals(a, b, emit) {
assert(a == b, emit + ", <" + a + "> != <" + b + ">");
}
var equal = equals;
function notStrictEqual(a, b, emit) {
assert(a !== b, emit);
}
function strictEqual(a, b, emit) {
assert(a === b, emit);
}
function ok(a, emit) {
assert(a, emit);
}
function raises(fn, want, emit) {
var have, _ok = false;
if (typeof want === "string") {
emit = want;
want = null;
}
try {
fn();
} catch(tmp) {
have = tmp;
}
if (have) {
if (!want) {
_ok = true;
}
else if (want instanceof RegExp) {
_ok = want.test(have);
}
else if (have instanceof want) {
_ok = true
}
else if (want.call({}, have) === true) {
_ok = true;
}
}
ok(_ok, emit);
}
function test(name){
_setup()
try {
templateSettings = _.clone(_.templateSettings);
if (arguments.length == 3) {
count = 0
for (count = 0; count < arguments[1]; count++) {
arguments[2]()
}
} else {
// For now.
arguments[1]()
}
}
catch (tmp) {
}
_teardown()
}
function deepEqual(a, b, emit) {
// Also, for now.
assert(_.isEqual(a, b), emit)
}
`)
}
return cache.test
}
func Test_underscore(t *testing.T) {
Terst(t)
test := underscoreTest()
test(`
_.map([1, 2, 3], function(value){
return value + 1
})
`, "2,3,4")
test(`
abc = _.find([1, 2, 3, -1], function(value) { return value == -1 })
`, "-1")
test(`_.isEqual(1, 1)`, "true")
test(`_.isEqual([], [])`, "true")
test(`_.isEqual(['b', 'd'], ['b', 'd'])`, "true")
test(`_.isEqual(['b', 'd', 'c'], ['b', 'd', 'e'])`, "false")
test(`_.isFunction(function(){})`, "true")
test(`_.template('<p>\u2028<%= "\\u2028\\u2029" %>\u2029</p>')()`, "<p>\u2028\u2028\u2029\u2029</p>")
}
// TODO Test: typeof An argument reference
// TODO Test: abc = {}; abc == Object(abc)