2016-03-02 17:07:05 +01:00
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/*global expect, d*/
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'use strict';
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var _ = require('lodash')
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module.exports = function(knex) {
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var client = knex.client;
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function compareBindings(gotBindings, wantedBindings) {
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if (Array.isArray(wantedBindings)) {
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expect(gotBindings.length).to.eql(wantedBindings.length);
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wantedBindings.forEach(function (wantedBinding, index) {
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if (typeof wantedBinding === 'function') {
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expect(wantedBinding(gotBindings[index])).to.eql(true);
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} else {
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expect(wantedBinding).to.eql(gotBindings[index]);
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}
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});
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} else {
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expect(gotBindings).to.eql(wantedBindings);
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}
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}
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// Useful in cases where we want to just test the sql for both PG and SQLite3
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function testSqlTester(qb, driverName, statement, bindings, returnval) {
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if (Array.isArray(driverName)) {
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driverName.forEach(function(val) {
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testSqlTester(qb, val, statement, bindings, returnval);
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});
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} else if (client.driverName === driverName) {
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var sql = qb.toSQL();
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if (statement) {
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if (Array.isArray(sql)) {
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expect(_.map(sql, 'sql')).to.eql(statement);
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} else {
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expect(sql.sql).to.equal(statement);
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}
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}
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if (bindings) {
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if (Array.isArray(sql)) {
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2016-03-02 17:25:07 +01:00
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compareBindings(_.map(sql, 'bindings'), bindings);
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2016-03-02 17:07:05 +01:00
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} else {
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compareBindings(sql.bindings, bindings);
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}
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}
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if (returnval !== undefined && returnval !== null) {
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var oldThen = qb.then;
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qb.then = function() {
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var promise = oldThen.apply(this, []);
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promise = promise.tap(function(resp) {
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if (typeof returnval === 'function') {
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expect(!!returnval(resp)).to.equal(true);
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} else {
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expect(stripDates(resp)).to.eql(returnval);
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}
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});
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return promise.then.apply(promise, arguments);
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};
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}
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}
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}
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function stripDates(resp) {
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if (!_.isObject(resp[0])) return resp;
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return _.map(resp, function(val) {
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return _.reduce(val, function(memo, val, key) {
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2016-03-02 17:10:07 +01:00
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if (_.includes(['created_at', 'updated_at'], key)) {
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2016-03-02 17:07:05 +01:00
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memo[key] = d;
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} else {
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memo[key] = val;
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}
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return memo;
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}, {});
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});
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}
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client.Raw.prototype.testSql =
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client.QueryBuilder.prototype.testSql =
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client.SchemaBuilder.prototype.testSql = function Logger$testSql(handler) {
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handler(testSqlTester.bind(null, this));
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return this;
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};
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return knex;
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}
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