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var assert = require("assert");
var jsonpointer = require("./jsonpointer");
var obj = {
a: 1,
b: {
c: 2
},
d: {
e: [{a:3}, {b:4}, {c:5}]
}
};
assert.equal(jsonpointer.get(obj, "/a"), 1);
assert.equal(jsonpointer.get(obj, "/b/c"), 2);
assert.equal(jsonpointer.get(obj, "/d/e/0/a"), 3);
assert.equal(jsonpointer.get(obj, "/d/e/1/b"), 4);
assert.equal(jsonpointer.get(obj, "/d/e/2/c"), 5);
// set returns old value
assert.equal(jsonpointer.set(obj, "/a", 2), 1);
assert.equal(jsonpointer.set(obj, "/b/c", 3), 2);
assert.equal(jsonpointer.set(obj, "/d/e/0/a", 4), 3);
assert.equal(jsonpointer.set(obj, "/d/e/1/b", 5), 4);
assert.equal(jsonpointer.set(obj, "/d/e/2/c", 6), 5);
assert.equal(jsonpointer.get(obj, "/a"), 2);
assert.equal(jsonpointer.get(obj, "/b/c"), 3);
assert.equal(jsonpointer.get(obj, "/d/e/0/a"), 4);
assert.equal(jsonpointer.get(obj, "/d/e/1/b"), 5);
assert.equal(jsonpointer.get(obj, "/d/e/2/c"), 6);
assert.equal(jsonpointer.get(obj, ""), obj);
assert.throws(function(){ jsonpointer.get(obj, "a"); }, validateError);
assert.throws(function(){ jsonpointer.get(obj, "a/"); }, validateError);
function validateError(err) {
if ( (err instanceof Error) && /Invalid JSON pointer/.test(err.message) ) {
return true;
}
}
var complexKeys = {
"a/b": {
c: 1
},
d: {
"e/f": 2
},
"~1": 3,
"01": 4
}
assert.equal(jsonpointer.get(complexKeys, "/a~1b/c"), 1);
assert.equal(jsonpointer.get(complexKeys, "/d/e~1f"), 2);
assert.equal(jsonpointer.get(complexKeys, "/~01"), 3);
assert.equal(jsonpointer.get(complexKeys, "/01"), 4);
assert.equal(jsonpointer.get(complexKeys, "/a/b/c"), null);
assert.equal(jsonpointer.get(complexKeys, "/~1"), null);
// draft-ietf-appsawg-json-pointer-08 has special array rules
var ary = [ "zero", "one", "two" ];
assert.equal(jsonpointer.get(ary, "/01"), null);
//assert.equal(jsonpointer.set(ary, "/-", "three"), null);
//assert.equal(ary[3], "three");
// Examples from the draft:
var example = {
"foo": ["bar", "baz"],
"": 0,
"a/b": 1,
"c%d": 2,
"e^f": 3,
"g|h": 4,
"i\\j": 5,
"k\"l": 6,
" ": 7,
"m~n": 8
};
assert.equal(jsonpointer.get(example, ""), example);
var ans = jsonpointer.get(example, "/foo");
assert.equal(ans.length, 2);
assert.equal(ans[0], "bar");
assert.equal(ans[1], "baz");
assert.equal(jsonpointer.get(example, "/foo/0"), "bar");
assert.equal(jsonpointer.get(example, "/"), 0);
assert.equal(jsonpointer.get(example, "/a~1b"), 1);
assert.equal(jsonpointer.get(example, "/c%d"), 2);
assert.equal(jsonpointer.get(example, "/e^f"), 3);
assert.equal(jsonpointer.get(example, "/g|h"), 4);
assert.equal(jsonpointer.get(example, "/i\\j"), 5);
assert.equal(jsonpointer.get(example, "/k\"l"), 6);
assert.equal(jsonpointer.get(example, "/ "), 7);
assert.equal(jsonpointer.get(example, "/m~0n"), 8);
console.log("All tests pass.");
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