343 lines
11 KiB
JavaScript
343 lines
11 KiB
JavaScript
describe("Zotero.DB", function() {
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var tmpTable = "tmpDBTest";
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before(function* () {
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this.timeout(5000);
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Zotero.debug("Waiting for DB activity to settle");
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yield Zotero.DB.waitForTransaction();
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yield Zotero.Promise.delay(1000);
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});
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beforeEach(function* () {
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yield Zotero.DB.queryAsync("DROP TABLE IF EXISTS " + tmpTable);
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yield Zotero.DB.queryAsync("CREATE TABLE " + tmpTable + " (foo INT)");
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});
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after(function* () {
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yield Zotero.DB.queryAsync("DROP TABLE IF EXISTS " + tmpTable);
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});
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describe("#queryAsync()", function () {
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var tmpTable;
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before(function* () {
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tmpTable = "tmp_queryAsync";
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yield Zotero.DB.queryAsync("CREATE TEMPORARY TABLE " + tmpTable + " (a, b)");
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (1, 2)");
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (3, 4)");
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (5, NULL)");
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})
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after(function* () {
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if (tmpTable) {
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yield Zotero.DB.queryAsync("DROP TABLE IF EXISTS " + tmpTable);
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}
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})
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it("should throw an error if no parameters are passed for a query with placeholders", function* () {
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var e = yield getPromiseError(Zotero.DB.queryAsync("SELECT itemID FROM items WHERE itemID=?"));
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assert.ok(e);
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assert.include(e.message, "for query containing placeholders");
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})
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it("should throw an error if too few parameters are passed", function* () {
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var e = yield getPromiseError(Zotero.DB.queryAsync("SELECT itemID FROM items WHERE itemID=? OR itemID=?", [1]));
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assert.ok(e);
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assert.include(e.message, "Incorrect number of parameters provided for query");
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})
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it("should throw an error if too many parameters are passed", function* () {
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var e = yield getPromiseError(Zotero.DB.queryAsync("SELECT itemID FROM items WHERE itemID=?", [1, 2]));
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assert.ok(e);
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assert.include(e.message, "Incorrect number of parameters provided for query");
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})
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it("should throw an error if too many parameters are passed for numbered placeholders", function* () {
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var e = yield getPromiseError(Zotero.DB.queryAsync("SELECT itemID FROM items WHERE itemID=?1 OR itemID=?1", [1, 2]));
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assert.ok(e);
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assert.include(e.message, "Incorrect number of parameters provided for query");
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})
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it("should accept a single placeholder given as a value", function* () {
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var rows = yield Zotero.DB.queryAsync("SELECT a FROM " + tmpTable + " WHERE b=?", 2);
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assert.lengthOf(rows, 1);
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assert.equal(rows[0].a, 1);
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})
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it("should accept a single placeholder given as an array", function* () {
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var rows = yield Zotero.DB.queryAsync("SELECT a FROM " + tmpTable + " WHERE b=?", [2]);
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assert.lengthOf(rows, 1);
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assert.equal(rows[0].a, 1);
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})
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it("should accept multiple placeholders", function* () {
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var rows = yield Zotero.DB.queryAsync("SELECT a FROM " + tmpTable + " WHERE b=? OR b=?", [2, 4]);
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assert.lengthOf(rows, 2);
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assert.equal(rows[0].a, 1);
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assert.equal(rows[1].a, 3);
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})
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it("should accept a single placeholder within parentheses", function* () {
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var rows = yield Zotero.DB.queryAsync("SELECT a FROM " + tmpTable + " WHERE b IN (?)", 2);
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assert.lengthOf(rows, 1);
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assert.equal(rows[0].a, 1);
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})
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it("should accept multiple placeholders within parentheses", function* () {
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var rows = yield Zotero.DB.queryAsync("SELECT a FROM " + tmpTable + " WHERE b IN (?, ?)", [2, 4]);
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assert.lengthOf(rows, 2);
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assert.equal(rows[0].a, 1);
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assert.equal(rows[1].a, 3);
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})
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it("should replace =? with IS NULL if NULL is passed as a value", function* () {
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var rows = yield Zotero.DB.queryAsync("SELECT a FROM " + tmpTable + " WHERE b=?", null);
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assert.lengthOf(rows, 1);
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assert.equal(rows[0].a, 5);
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})
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it("should replace =? with IS NULL if NULL is passed in an array", function* () {
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var rows = yield Zotero.DB.queryAsync("SELECT a FROM " + tmpTable + " WHERE b=?", [null]);
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assert.lengthOf(rows, 1);
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assert.equal(rows[0].a, 5);
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})
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it("should replace ? with NULL for placeholders within parentheses in INSERT statements", function* () {
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yield Zotero.DB.queryAsync("CREATE TEMPORARY TABLE tmp_srqwnfpwpinss (a, b)");
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// Replace ", ?"
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yield Zotero.DB.queryAsync("INSERT INTO tmp_srqwnfpwpinss (a, b) VALUES (?, ?)", [1, null]);
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assert.equal(
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(yield Zotero.DB.valueQueryAsync("SELECT a FROM tmp_srqwnfpwpinss WHERE b IS NULL")),
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1
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);
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// Replace "(?"
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yield Zotero.DB.queryAsync("DELETE FROM tmp_srqwnfpwpinss");
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yield Zotero.DB.queryAsync("INSERT INTO tmp_srqwnfpwpinss (a, b) VALUES (?, ?)", [null, 2]);
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assert.equal(
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(yield Zotero.DB.valueQueryAsync("SELECT b FROM tmp_srqwnfpwpinss WHERE a IS NULL")),
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2
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);
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yield Zotero.DB.queryAsync("DROP TABLE tmp_srqwnfpwpinss");
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})
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it("should throw an error if NULL is passed for placeholder within parentheses in a SELECT statement", function* () {
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var e = yield getPromiseError(Zotero.DB.queryAsync("SELECT a FROM " + tmpTable + " WHERE b IN (?)", null));
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assert.ok(e);
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assert.include(e.message, "NULL cannot be used for parenthesized placeholders in SELECT queries");
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})
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it("should handle numbered parameters", function* () {
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var rows = yield Zotero.DB.queryAsync("SELECT a FROM " + tmpTable + " WHERE b=?1 "
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+ "UNION SELECT b FROM " + tmpTable + " WHERE b=?1", 2);
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assert.lengthOf(rows, 2);
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assert.equal(rows[0].a, 1);
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assert.equal(rows[1].a, 2);
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})
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it("should throw an error if onRow throws an error", function* () {
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var i = 0;
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var e = Zotero.DB.queryAsync(
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"SELECT * FROM " + tmpTable,
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false,
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{
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onRow: function (row) {
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if (i > 0) {
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throw new Error("Failed");
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}
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i++;
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}
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}
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);
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e = yield getPromiseError(e)
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assert.ok(e);
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assert.equal(e.message, "Failed");
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});
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it("should stop gracefully if onRow throws a StopIteration", function* () {
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var i = 0;
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var rows = [];
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yield Zotero.DB.queryAsync(
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"SELECT * FROM " + tmpTable,
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false,
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{
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onRow: function (row) {
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if (i > 0) {
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throw StopIteration;
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}
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rows.push(row.getResultByIndex(0));
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i++;
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}
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}
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);
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assert.lengthOf(rows, 1);
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});
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})
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describe("#executeTransaction()", function () {
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it("should serialize concurrent transactions", Zotero.Promise.coroutine(function* () {
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var resolve1, resolve2, reject1, reject2;
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var promise1 = new Promise(function (resolve, reject) {
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resolve1 = resolve;
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reject1 = reject;
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});
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var promise2 = new Promise(function (resolve, reject) {
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resolve2 = resolve;
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reject2 = reject;
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});
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Zotero.DB.executeTransaction(function* () {
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yield Zotero.Promise.delay(250);
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var num = yield Zotero.DB.valueQueryAsync("SELECT COUNT(*) FROM " + tmpTable);
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assert.equal(num, 0);
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (1)");
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assert.ok(Zotero.DB.inTransaction());
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})
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.then(resolve1)
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.catch(reject1);
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Zotero.DB.executeTransaction(function* () {
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var num = yield Zotero.DB.valueQueryAsync("SELECT COUNT(*) FROM " + tmpTable);
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assert.equal(num, 1);
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yield Zotero.Promise.delay(500);
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (2)");
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assert.ok(Zotero.DB.inTransaction());
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})
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.then(resolve2)
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.catch(reject2);
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yield Zotero.Promise.all([promise1, promise2]);
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}));
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it("should serialize queued transactions", function* () {
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var resolve1, resolve2, reject1, reject2, resolve3, reject3;
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var promise1 = new Promise(function (resolve, reject) {
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resolve1 = resolve;
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reject1 = reject;
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});
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var promise2 = new Promise(function (resolve, reject) {
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resolve2 = resolve;
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reject2 = reject;
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});
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var promise3 = new Promise(function (resolve, reject) {
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resolve3 = resolve;
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reject3 = reject;
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});
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// Start a transaction and have it delay
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Zotero.DB.executeTransaction(function* () {
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yield Zotero.Promise.delay(100);
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var num = yield Zotero.DB.valueQueryAsync("SELECT COUNT(*) FROM " + tmpTable);
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assert.equal(num, 0);
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (1)");
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assert.ok(Zotero.DB.inTransaction());
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})
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.then(resolve1)
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.catch(reject1);
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// Start two more transactions, which should wait on the first
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Zotero.DB.executeTransaction(function* () {
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var num = yield Zotero.DB.valueQueryAsync("SELECT COUNT(*) FROM " + tmpTable);
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assert.equal(num, 1);
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (2)");
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assert.ok(Zotero.DB.inTransaction());
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})
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.then(resolve2)
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.catch(reject2);
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Zotero.DB.executeTransaction(function* () {
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var num = yield Zotero.DB.valueQueryAsync("SELECT COUNT(*) FROM " + tmpTable);
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assert.equal(num, 2);
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (3)");
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// But make sure the second queued transaction doesn't start at the same time,
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// such that the first queued transaction gets closed while the second is still
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// running
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assert.ok(Zotero.DB.inTransaction());
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})
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.then(resolve3)
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.catch(reject3);
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yield Zotero.Promise.all([promise1, promise2, promise3]);
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})
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it("should roll back on error", function* () {
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (1)");
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try {
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yield Zotero.DB.executeTransaction(function* () {
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (2)");
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throw 'Aborting transaction -- ignore';
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});
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}
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catch (e) {
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if (typeof e != 'string' || !e.startsWith('Aborting transaction')) throw e;
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}
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var count = yield Zotero.DB.valueQueryAsync("SELECT COUNT(*) FROM " + tmpTable + "");
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assert.equal(count, 1);
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var conn = yield Zotero.DB._getConnectionAsync();
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assert.isFalse(conn.transactionInProgress);
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yield Zotero.DB.queryAsync("DROP TABLE " + tmpTable);
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});
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it("should run onRollback callbacks", function* () {
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var callbackRan = false;
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try {
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yield Zotero.DB.executeTransaction(
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function* () {
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yield Zotero.DB.queryAsync("INSERT INTO " + tmpTable + " VALUES (1)");
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throw 'Aborting transaction -- ignore';
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},
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{
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onRollback: function () {
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callbackRan = true;
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}
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}
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);
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}
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catch (e) {
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if (typeof e != 'string' || !e.startsWith('Aborting transaction')) throw e;
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}
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assert.ok(callbackRan);
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yield Zotero.DB.queryAsync("DROP TABLE " + tmpTable);
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});
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it("should time out on nested transactions", function* () {
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var e;
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yield Zotero.DB.executeTransaction(function* () {
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e = yield getPromiseError(
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Zotero.DB.executeTransaction(function* () {}).timeout(250)
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);
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});
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assert.ok(e);
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assert.equal(e.name, "TimeoutError");
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});
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it("should run onRollback callbacks for timed-out nested transactions", function* () {
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var callback1Ran = false;
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var callback2Ran = false;
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try {
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yield Zotero.DB.executeTransaction(function* () {
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yield Zotero.DB.executeTransaction(
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function* () {},
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{
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waitTimeout: 100,
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onRollback: function () {
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callback1Ran = true;
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}
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}
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)
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},
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{
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onRollback: function () {
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callback2Ran = true;
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}
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});
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}
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catch (e) {
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if (e.name != "TimeoutError") throw e;
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}
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assert.ok(callback1Ran);
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assert.ok(callback2Ran);
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});
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})
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});
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