motorq-documentdb/test/hashPartitionResolverTests.js

Azure Cosmos DB Service Node.js SDK for SQL API

/*
The MIT License (MIT)
Copyright (c) 2017 Microsoft Corporation

Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in all
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/


"use strict";

var assert = require("assert");
var HashPartitionResolver = require("../lib/hash/hashPartitionResolver").HashPartitionResolver;

describe("HashPartitionResolver new()", function () {
    it(" does not throw", function () {
        assert.doesNotThrow(
            function () {
                var resolver = new HashPartitionResolver("foo", ["dbs/foo/colls/A"]);
            }
        );
    });
    
    it("invalid partitionKeyResolver", function () {
        assert.throws(
            function () {
                var resolver = new HashPartitionResolver()
            },
            /partitionKeyExtractor cannot be null or undefined/
        );
    });

    it("invalid collectionLinks", function () {
        assert.throws(
            function () {
                var resolver = new HashPartitionResolver("foo")
            },
            /collectionLinks must be an array./
        );
    });
});

describe("HashPartitionResolver.getPartitionKey", function () {
    it("string", function () {
        var resolver = new HashPartitionResolver("foo", ["dbs/foo/colls/A"]);
        var partitionKey = resolver.getPartitionKey({ foo: "bar" });
        assert.strictEqual("bar", partitionKey);
    });

    it("function", function () {
        var resolver = new HashPartitionResolver(function (document) { return document.foo; }, ["dbs/foo/colls/A"]);
        var partitionKey = resolver.getPartitionKey({ foo: "bar" });
        assert.strictEqual("bar", partitionKey);
    });
});

describe("HashPartitionResolver.resolveForRead", function () {
    it("valid key", function () {
        var resolver = new HashPartitionResolver("ignored", ["dbs/foo/colls/A", "dbs/foo/colls/B", "dbs/foo/colls/C"]);
        var links = resolver.resolveForRead("a");
        assert.deepEqual(["dbs/foo/colls/A"], links);
    });

    it("null key", function () {
        var resolver = new HashPartitionResolver("ignored", ["dbs/foo/colls/A", "dbs/foo/colls/B", "dbs/foo/colls/C"]);
        var links = resolver.resolveForRead(null);
        assert.deepEqual(links, ["dbs/foo/colls/A", "dbs/foo/colls/B", "dbs/foo/colls/C"]);
    });

    it("undefined key", function () {
        var resolver = new HashPartitionResolver("ignored", ["dbs/foo/colls/A", "dbs/foo/colls/B", "dbs/foo/colls/C"]);
        var links = resolver.resolveForRead();
        assert.deepEqual(links, ["dbs/foo/colls/A", "dbs/foo/colls/B", "dbs/foo/colls/C"]);
    });
});

describe("HashPartitionResolver.resolveForCreate", function () {
    it("valid key", function () {
        var resolver = new HashPartitionResolver("ignored", ["dbs/foo/colls/A", "dbs/foo/colls/B", "dbs/foo/colls/C"]);
        var links = resolver.resolveForCreate("a");
        assert.deepEqual("dbs/foo/colls/A", links);
    });

    it("invalid key", function () {
        var resolver = new HashPartitionResolver("ignored", ["dbs/foo/colls/A", "dbs/foo/colls/B", "dbs/foo/colls/C"]);
        assert.throws(
            function () {
                resolver.resolveForCreate(0);
            },
            /partitionKey must be a 'string'/);
    });
});

describe("HashPartitionResolver._resolve", function () {
    it("throws", function () {
        var resolver = new HashPartitionResolver(function (document) { return document.foo; }, ["dbs/foo/colls/A"]);
        assert.throws(
            function () { resolver._resolve(1); },
            /partitionKey must be a 'string'/
        );
    });

    it("resolves to non-null", function () {
        var resolver = new HashPartitionResolver("ignoredPartitionKeyExtractor", ["dbs/foo/colls/A", "dbs/foo/colls/B", "dbs/foo/colls/C"]);
        var link = resolver._resolve("x");
        assert.notStrictEqual(null, link);
    });
});

describe("HashPartitionResolver._throwIfInvalidCollectionLinks", function () {
    it("non-array throws", function () {
        var links = [
            undefined,
            null,
            1,
            "foo",
            {},
            NaN,
            function () { }
        ];
        
        links.forEach(
            function (link) {
                assert.throws(
                    function () {
                        HashPartitionResolver._throwIfInvalidCollectionLinks(link);
                    },
                /collectionLinks must be an array./
                );
            });
    });

    it("invalid links throws", function () {
        assert.throws(
            function () {
                HashPartitionResolver._throwIfInvalidCollectionLinks(["foo"]);
            },
            /All elements of collectionLinks must be collection links./
        );
    });

    it("does not throw", function () {
        assert.doesNotThrow(
            function () {
                HashPartitionResolver._throwIfInvalidCollectionLinks(["dbs/a/colls/b"]);
            }
        );
    });
    
});

describe("HashPartitionResolver._throwIfInvalidPartitionKeyExtractor", function () {
    it(" does not throw", function () {
        var partitionKeyExtractors = [
            "foo",
            function () { }
        ];
        
        partitionKeyExtractors.forEach(
            function (partitionKeyExtractor) {
                assert.doesNotThrow(
                    function () {
                        HashPartitionResolver._throwIfInvalidPartitionKeyExtractor(partitionKeyExtractor);
                    }
                );
            });
    });
    
    it("null or undefined throws", function () {
        var partitionKeyExtractors = [
            undefined,
            null
        ];
        
        partitionKeyExtractors.forEach(
            function (partitionKeyExtractor) {
                assert.throws(
                    function () {
                        HashPartitionResolver._throwIfInvalidPartitionKeyExtractor(partitionKeyExtractor);
                    },
                /partitionKeyExtractor cannot be null or undefined/
                );
            });
    });

    it("throws", function () {
        var partitionKeyExtractors = [
            1,
            {},
            [],
            NaN
        ];
        
        partitionKeyExtractors.forEach(
            function (partitionKeyExtractor) {
                assert.throws(
                    function () {
                        HashPartitionResolver._throwIfInvalidPartitionKeyExtractor(partitionKeyExtractor);
                    },
                /partitionKeyExtractor must be either a 'string' or a 'function/
                );
            });
    });
});

describe("HashPartitionResolver._throwIfInvalidPartitionKey", function () {
    it(" does not throw", function () {
        assert.doesNotThrow(
            function () {
                HashPartitionResolver._throwIfInvalidPartitionKey("foo");
            }
        );
    });
    
    it("throws", function () {
        var keys = [
            undefined,
            null,
            1,
            {},
            [],
            NaN,
            function () { }
        ];
        
        keys.forEach(
            function (key) {
                assert.throws(
                    function () {
                        HashPartitionResolver._throwIfInvalidPartitionKey(key);
                    },
                    /partitionKey must be a 'string'/
                );
            });
    });
});