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