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