ifx_db/test/nodeEE-stress-async-waterfall.js

IBM Informix bindings for node

var common = require("./common");
var odbc = require("../");
var db = new odbc.Database();
var assert = require("assert");
var async = require('async');
var tableOne = "T1";
var tableTwo = "T2";
var insertCount = 0;
var expected1 = [{ PID: '1', C1: 'PersonA', C2: 'LastNameA', C3: 'QA' },
                 { PID: '2', C1: 'PersonB', C2: 'LastNameB', C3: 'Dev' },
                 { PID: '3', C1: 'PersonC', C2: 'LastNameC', C3: 'QA' },
                 { PID: '4', C1: 'PersonD', C2: 'LastNameD', C3: 'QA' },
                 { PID: '5', C1: 'PersonE', C2: 'LastNameE', C3: 'QA' }];
var expected2 = [{ PID: '6', C1: 'PersonF', C2: 'LastNameF', C3: 'QA Lead' },
                 { PID: '7', C1: 'PersonG', C2: 'LastNameG', C3: 'Dev Lead' }];
var expected3 = [{ PID: '4', C1: 'PersonD', C2: 'LastNameD', C3: 'QA Intern' }];
  

  var funcArr = [];
    funcArr.push(main);
    async.waterfall(funcArr, function (err, result) {
      if (err == null)
      {
        console.log('Waterfall successful');
      }  
      else
      {
        console.error(err);
      }
    });

  function main()
  {
    try
    {
      db.open(common.connectionString, function(err) {
        runQueries();
      });
    }
    catch(e)
    {
      console.log(e);
      db.close(function () {
        console.log("Connection closed on error");
      });
    
    }
  }
  
  
  function runQueries()
  {
    db.query("create table " + tableOne + " (PID INTEGER, C1 VARCHAR(255), C2 VARCHAR(255), C3 VARCHAR(255))", function(err, data){
      if (err == null)
      {
        console.log("Table " + tableOne + " created");
      }
      
      else
      {
        console.log(err);  
      }
    });
      
    db.query("create table " + tableTwo + " (PID INTEGER, C1 VARCHAR(255), C2 VARCHAR(255), C3 VARCHAR(255))", function(err, data){
      if (err == null)
      {
        console.log("Table " + tableTwo + " created");
      }
      
      else
      {
        console.log(err);  
      }
    });
      
    db.query("INSERT into " + tableOne + " values (1, 'PersonA', 'LastNameA', 'QA')", icback);
    db.query("INSERT into " + tableOne + " values (2, 'PersonB', 'LastNameB', 'Dev')", icback);
    db.query("INSERT into " + tableOne + " values (3, 'PersonC', 'LastNameC', 'QA')", icback);
    db.query("INSERT into " + tableOne + " values (4, 'PersonD', 'LastNameD', 'QA')", icback);
    db.query("INSERT into " + tableOne + " values (5, 'PersonE', 'LastNameE', 'QA')", icback);
    
    db.query("INSERT into " + tableTwo + " values (6, 'PersonF', 'LastNameF', 'QA Lead')", icback);
    db.query("INSERT into " + tableTwo + " values (7, 'PersonG', 'LastNameG', 'Dev Lead')", icback);
    
    db.query("SELECT * from " + tableOne, scback.bind({expected: expected1}));
    db.query("SELECT * from " + tableTwo, scback.bind({expected: expected2}));
    
    db.query("UPDATE " + tableOne + " SET C3 = 'QA Intern' where C2 = 'LastNameD'", ucback);
    db.query("SELECT * from " + tableOne + " where C3 = 'QA Intern'", scback.bind({expected: expected3}));
    
    db.query("DELETE from " + tableTwo + " where PID = 7", dcback);
    db.query("SELECT * from " + tableTwo + " where PID = 7", scback.bind({expected: []}));
    db.query("DROP table " + tableTwo, drcback); 
    db.query("SELECT tabname from syscat.tables where tabschema='ELKOREHP' and TABNAME='" + tableTwo + "'", scback.bind({expected: []}));
    db.query("DELETE from " + tableOne + " where PID = 5", dcback);
    db.query("SELECT * from " + tableOne + " where PID = 5", scback.bind({expected: []}));
    db.query("DROP table " + tableOne, drcback);
    db.query("SELECT tabname from syscat.tables where tabschema='ELKOREHP' and TABNAME='" + tableOne + "'", scback.bind({expected: []}));
    closeConnection();
  }

  function icback(err, data)
  {
    if (err == null)
    {
      insertCount++;
    }
          
    else
    {
      console.log(err);  
    }
  }
      
  function scback(err, data)
  {
    assert.deepEqual(data, this.expected);
    if (err == null)
    {
      console.log("Select statement successful");
    }  
    else
    {
      console.log(err);  
    }
  }
  function ucback(err, data)
  {
    if (err == null)
    {
      console.log("Update statement successful");
    }  
    else
    {
      console.log(err);  
    }
  }
  function dcback(err, data)
  {
    if (err == null)
    {
      console.log("Delete row(s) successful");
    }  
    else
    {
      console.log(err);  
    }
  }
  function drcback(err, data)
  {
    if (err == null)
    {
      console.log("Drop table successful");
      
    }
          
    else
    {
      console.log(err);  
    }
  }
  function closeConnection()
  {
    db.close(function () 
    {
      console.log("Database Connection Closed");
    });
  }