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testParserMgr.js
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224 lines (208 loc) · 7.31 KB
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var assert = require("assert");
var parserMgr = require("../libs/core/parserMgr.js");
describe("ParserMgr", function() {
it("should add a correct parser", function() {
parserMgr.addParser("myparserName", /myParser.+/, function() {});
});
it("should add a parser if regular expression is a string", function() {
parserMgr.addParser("myparserName", "hello regexp", function() {});
});
describe("array parser", function() {
it("should return an array parser with specific column title", function() {
var parser = parserMgr.getParser("*array*myArray");
assert(parser.name === "array");
});
it("should parse as an array", function() {
var parser = parserMgr.getParser("*array*myArray");
var resultRow = {};
parser.parse({
"head": "*array*myArray",
"item": "item1",
"resultRow": resultRow
});
parser.parse({
"head": "*array*myArray",
"item": "item2",
"resultRow": resultRow
});
assert(resultRow.myArray[0] === "item1");
assert(resultRow.myArray[1] === "item2");
});
});
describe("json parser", function() {
it("should return an json parser with specific column title", function() {
var parser = parserMgr.getParser("*json*myJSON.item1");
assert(parser.name === "json");
});
it("should parse as an json", function() {
var parser1 = parserMgr.getParser("*json*myJSON.item1");
var parser2 = parserMgr.getParser("*json*myJSON.item2");
var resultRow = {};
parser1.parse({
"item": "item1",
"resultRow": resultRow
});
parser2.parse({
"item": "item2",
"resultRow": resultRow
});
assert(resultRow.myJSON.item1 === "item1");
assert(resultRow.myJSON.item2 === "item2");
});
it("should parse a json containing array", function() {
var parser1 = parserMgr.getParser("*json*myJSON.item1[0]");
var parser2 = parserMgr.getParser("*json*myJSON.item1[1]");
var resultRow = {};
parser1.parse({
"item": "item1",
"resultRow": resultRow
});
parser2.parse({
"item": "item2",
"resultRow": resultRow
});
assert(resultRow.myJSON.item1);
assert(resultRow.myJSON.item1.length === 2);
});
it("should parse a json containing child json with array", function() {
var parser1 = parserMgr.getParser("*json*myJSON.item1.arr[0]");
var parser2 = parserMgr.getParser("*json*myJSON.item1.arr[1]");
var parser3 = parserMgr.getParser("*json*myJSON.item1.title");
var resultRow = {};
parser1.parse({
"item": "item1",
"resultRow": resultRow
});
parser2.parse({
"item": "item2",
"resultRow": resultRow
});
parser3.parse({
"item": "mytitle",
"resultRow": resultRow
});
assert(resultRow.myJSON.item1);
assert(resultRow.myJSON.item1.arr.length === 2);
assert(resultRow.myJSON.item1.title === "mytitle");
});
it("should parse a json containing child json with array containing child json", function() {
var parser1 = parserMgr.getParser("*json*myJSON.item1.arr[0].title");
var parser2 = parserMgr.getParser("*json*myJSON.item1.arr[1].title");
var parser3 = parserMgr.getParser("*json*myJSON.item1.arr[2].title");
var resultRow = {};
parser1.parse({
"item": "item1",
"resultRow": resultRow
});
parser2.parse({
"item": "item2",
"resultRow": resultRow
});
parser3.parse({
"item": "item3",
"resultRow": resultRow
});
assert(resultRow.myJSON.item1);
assert(resultRow.myJSON.item1.arr.length === 3);
assert(resultRow.myJSON.item1.arr[0].title === "item1");
});
it("should parse a json containing child json with dynamic array containing child json", function() {
var parser1 = parserMgr.getParser("*json*myJSON.item1.arr[].title");
var parser2 = parserMgr.getParser("*json*myJSON.item1.arr[].title");
var parser3 = parserMgr.getParser("*json*myJSON.item1.arr[].title");
var resultRow = {};
parser1.parse({
"item": "item1",
"resultRow": resultRow
});
parser2.parse({
"item": "item2",
"resultRow": resultRow
});
parser3.parse({
"item": "item3",
"resultRow": resultRow
});
assert(resultRow.myJSON.item1);
assert(resultRow.myJSON.item1.arr.length === 3);
assert(resultRow.myJSON.item1.arr[2].title === "item3");
});
it("should parse as flat json keys containing dots and square brackets in 'flatKeys' mode", function() {
var parser1 = parserMgr.getParser("*json*myJSON.item[0].foo");
var parser2 = parserMgr.getParser("*json*myJSON.item[1].foo");
var resultRow = {};
parser1.parse({
"item": "item1",
"resultRow": resultRow,
config: { flatKeys: true }
});
parser2.parse({
"item": "item2",
"resultRow": resultRow,
config: { flatKeys: true }
});
assert(resultRow[ "myJSON.item[0].foo" ] === "item1");
assert(resultRow[ "myJSON.item[1].foo" ] === "item2");
});
it("should parse as flat json if a column is markd as 'flat'", function() {
var parser1 = parserMgr.getParser("*flat*myJSON1.item[0].foo");
var parser2 = parserMgr.getParser("myJSON.item[1].foo");
var resultRow = {};
parser1.parse({
"item": "item1",
"resultRow": resultRow
});
parser2.parse({
"item": "item2",
"resultRow": resultRow,
});
assert(resultRow[ "myJSON1.item[0].foo" ] === "item1");
assert(resultRow.myJSON.item[1].foo=== "item2");
});
});
describe("json array parser", function () {
it("should return an json array parser with specific column title", function () {
var parser = parserMgr.getParser("*jsonarray*myJSON.item");
assert(parser.name === "jsonarray");
});
it("should parse as an json array with multiple columns", function () {
var parser1 = parserMgr.getParser("*jsonarray*myJSON.item");
var parser2 = parserMgr.getParser("*jsonarray*myJSON.item");
var resultRow = {};
parser1.parse({
"head": "*jsonarray*myJSON.item",
"item": "item1",
"resultRow": resultRow
});
parser2.parse({
"head": "*jsonarray*myJSON.item",
"item": "item2",
"resultRow": resultRow
});
assert(resultRow.myJSON.item[0] === "item1");
assert(resultRow.myJSON.item[1] === "item2");
});
});
describe("*omit* parser", function() {
it("should return an omit parser with specific column title", function() {
var parser = parserMgr.getParser("*omit*item");
assert(parser.name === "omit");
});
it("should not contain omitted column in result", function() {
var parser1 = parserMgr.getParser("*omit*column");
var resultRow = {};
parser1.parse({
"head": "*omit*column",
"item": "item1",
"resultRow": resultRow
});
assert("{}" === JSON.stringify(resultRow));
});
});
it("can parse a csv head to parser array", function() {
var head = ["*array*myArr", "*json*json.item1"];
var parsers = parserMgr.initParsers(head);
assert(parsers[0].name === "array");
assert(parsers[1].name === "json");
});
});