test.js (3746B)
1 var assert = require("assert"), 2 sprintfjs = require("../src/sprintf.js"), 3 sprintf = sprintfjs.sprintf, 4 vsprintf = sprintfjs.vsprintf 5 6 describe("sprintfjs", function() { 7 var pi = 3.141592653589793 8 9 it("should return formated strings for simple placeholders", function() { 10 assert.equal("%", sprintf("%%")) 11 assert.equal("10", sprintf("%b", 2)) 12 assert.equal("A", sprintf("%c", 65)) 13 assert.equal("2", sprintf("%d", 2)) 14 assert.equal("2", sprintf("%i", 2)) 15 assert.equal("2", sprintf("%d", "2")) 16 assert.equal("2", sprintf("%i", "2")) 17 assert.equal('{"foo":"bar"}', sprintf("%j", {foo: "bar"})) 18 assert.equal('["foo","bar"]', sprintf("%j", ["foo", "bar"])) 19 assert.equal("2e+0", sprintf("%e", 2)) 20 assert.equal("2", sprintf("%u", 2)) 21 assert.equal("4294967294", sprintf("%u", -2)) 22 assert.equal("2.2", sprintf("%f", 2.2)) 23 assert.equal("3.141592653589793", sprintf("%g", pi)) 24 assert.equal("10", sprintf("%o", 8)) 25 assert.equal("%s", sprintf("%s", "%s")) 26 assert.equal("ff", sprintf("%x", 255)) 27 assert.equal("FF", sprintf("%X", 255)) 28 assert.equal("Polly wants a cracker", sprintf("%2$s %3$s a %1$s", "cracker", "Polly", "wants")) 29 assert.equal("Hello world!", sprintf("Hello %(who)s!", {"who": "world"})) 30 }) 31 32 it("should return formated strings for complex placeholders", function() { 33 // sign 34 assert.equal("2", sprintf("%d", 2)) 35 assert.equal("-2", sprintf("%d", -2)) 36 assert.equal("+2", sprintf("%+d", 2)) 37 assert.equal("-2", sprintf("%+d", -2)) 38 assert.equal("2", sprintf("%i", 2)) 39 assert.equal("-2", sprintf("%i", -2)) 40 assert.equal("+2", sprintf("%+i", 2)) 41 assert.equal("-2", sprintf("%+i", -2)) 42 assert.equal("2.2", sprintf("%f", 2.2)) 43 assert.equal("-2.2", sprintf("%f", -2.2)) 44 assert.equal("+2.2", sprintf("%+f", 2.2)) 45 assert.equal("-2.2", sprintf("%+f", -2.2)) 46 assert.equal("-2.3", sprintf("%+.1f", -2.34)) 47 assert.equal("-0.0", sprintf("%+.1f", -0.01)) 48 assert.equal("3.14159", sprintf("%.6g", pi)) 49 assert.equal("3.14", sprintf("%.3g", pi)) 50 assert.equal("3", sprintf("%.1g", pi)) 51 assert.equal("-000000123", sprintf("%+010d", -123)) 52 assert.equal("______-123", sprintf("%+'_10d", -123)) 53 assert.equal("-234.34 123.2", sprintf("%f %f", -234.34, 123.2)) 54 55 // padding 56 assert.equal("-0002", sprintf("%05d", -2)) 57 assert.equal("-0002", sprintf("%05i", -2)) 58 assert.equal(" <", sprintf("%5s", "<")) 59 assert.equal("0000<", sprintf("%05s", "<")) 60 assert.equal("____<", sprintf("%'_5s", "<")) 61 assert.equal("> ", sprintf("%-5s", ">")) 62 assert.equal(">0000", sprintf("%0-5s", ">")) 63 assert.equal(">____", sprintf("%'_-5s", ">")) 64 assert.equal("xxxxxx", sprintf("%5s", "xxxxxx")) 65 assert.equal("1234", sprintf("%02u", 1234)) 66 assert.equal(" -10.235", sprintf("%8.3f", -10.23456)) 67 assert.equal("-12.34 xxx", sprintf("%f %s", -12.34, "xxx")) 68 assert.equal('{\n "foo": "bar"\n}', sprintf("%2j", {foo: "bar"})) 69 assert.equal('[\n "foo",\n "bar"\n]', sprintf("%2j", ["foo", "bar"])) 70 71 // precision 72 assert.equal("2.3", sprintf("%.1f", 2.345)) 73 assert.equal("xxxxx", sprintf("%5.5s", "xxxxxx")) 74 assert.equal(" x", sprintf("%5.1s", "xxxxxx")) 75 76 }) 77 78 it("should return formated strings for callbacks", function() { 79 assert.equal("foobar", sprintf("%s", function() { return "foobar" })) 80 assert.equal(Date.now(), sprintf("%s", Date.now)) // should pass... 81 }) 82 })