;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
;;;; Name:    test-basic.lisp
;;;; Purpose: Tests for clsql string-based queries and result types
;;;; Author:  Kevin M. Rosenberg
;;;; Created: Mar 2002
;;;;
;;;; $Id$
;;;;
;;;; This file, part of CLSQL, is Copyright (c) 2002-2004 by Kevin M. Rosenberg
;;;;
;;;; CLSQL users are granted the rights to distribute and use this software
;;;; as governed by the terms of the Lisp Lesser GNU Public License
;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
;;;; *************************************************************************

(in-package #:clsql-tests)

(setq *rt-basic*
  '(
    (deftest :basic/type/1
	(let ((results '()))
	  (dolist (row (query "select * from TYPE_TABLE" :result-types :auto)
		   results)
	    (destructuring-bind (int float str) row
	      (push (list (integerp int)
			  (typep float 'double-float)
			  (stringp str))
		    results))))
      ((t t t) (t t t) (t t t) (t t t) (t t t) (t t t) (t t t) (t t t) (t t t) (t t t) (t t t)))

     (deftest :basic/type/2
	 (let ((results '()))
	   (dolist (row (query "select * from TYPE_TABLE" :result-types :auto)
		     results)
	     (destructuring-bind (int float str) row
	       (setq results
		     (cons (list (double-float-equal 
				  (transform-float-1 int)
				  float)
				 (double-float-equal
				  (parse-double str)
				  float))
			   results))))
	   results)
       ((t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t)))

  (deftest :basic/select/1
	(let ((rows (query "select * from TYPE_TABLE" :result-types :auto)))
	  (values 
	   (length rows)
	   (length (car rows))))
      11 3)
    
    (deftest :BASIC/SELECT/2
	(let ((results '()))
	  (dolist (row (query "select * from TYPE_TABLE" :result-types nil)
		    results)
	    (destructuring-bind (int float str) row
	      (push (list (stringp int)
			  (stringp float)
			  (stringp str))
		    results))))
      ((t t t) (t t t) (t t t) (t t t) (t t t) (t t t) (t t t) (t t t) (t t t) (t t t) (t t t)))
    
    (deftest :basic/select/3
	(let ((results '()))
	  (dolist (row (query "select * from TYPE_TABLE" :result-types nil)
		    results)
	    (destructuring-bind (int float str) row
	      (push (list (double-float-equal 
			   (transform-float-1 (parse-integer int))
			   (parse-double float))
			  (double-float-equal
			   (parse-double str)
			   (parse-double float)))
		    results))))
      ((t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t)))

    (deftest :basic/map/1
	(let ((results '())
	      (rows (map-query 'vector #'identity "select * from TYPE_TABLE" 
			       :result-types nil)))
	  (declare (type (simple-array list (*)) rows))
	  (dotimes (i (length rows) results)
	    (push
	     (list
	      (listp (aref rows i))
	      (length (aref rows i))
	      (eql (- i 5)
		   (parse-integer (first (aref rows i)) 
				  :junk-allowed nil))
	      (double-float-equal
	       (transform-float-1 (parse-integer (first (aref rows i))))
	       (parse-double (second (aref rows i)))))
	     results)))
      ((t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t)))
    
   
    (deftest :basic/map/2
	(let ((results '())
	      (rows (map-query 'list #'identity "select * from TYPE_TABLE" 
			       :result-types nil)))
	  (dotimes (i (length rows) results)
	    (push
	     (list
	      (listp (nth i rows))
	      (length (nth i rows))
	      (eql (- i 5)
		   (parse-integer (first (nth i rows)) 
				  :junk-allowed nil))
	      (double-float-equal
	       (transform-float-1 (parse-integer (first (nth i rows))))
	       (parse-double (second (nth i rows)))))
	     results)))
      ((t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t)))
    
    (deftest :basic/map/3
	    (let ((results '())
	      (rows (map-query 'list #'identity "select * from TYPE_TABLE" 
			       :result-types :auto)))
	      (dotimes (i (length rows) results)
		(push
		 (list
		  (listp (nth i rows))
		  (length (nth i rows))
		  (eql (- i 5)
		       (first (nth i rows)))
		  (double-float-equal
		   (transform-float-1 (first (nth i rows)))
		   (second (nth i rows))))
		 results)))
      ((t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t) (t 3 t t)))

    ;; confirm that a query on a single element returns a list of one element
    (deftest :basic/map/4
	(let ((rows (map-query 'list #'identity "select t_int from TYPE_TABLE" 
			       :result-types nil)))
	  (values
	   (consp (first rows))
	   (length (first rows))))
      t 1)
    
    (deftest :basic/do/1
	(let ((results '()))
	  (do-query ((int float str) "select * from TYPE_TABLE" :result-types nil)
	    (let ((int-number (parse-integer int)))
	      (setq results
		    (cons (list (double-float-equal (transform-float-1
						     int-number)
						    (parse-double float))
			      (double-float-equal (parse-double str)
						  (parse-double float)))
			results))))
	  results)
      ((t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t)))

    (deftest :basic/do/2
	(let ((results '()))
	  (do-query ((int float str) "select * from TYPE_TABLE" :result-types :auto)
	    (setq results
		  (cons
		   (list (double-float-equal 
			  (transform-float-1 int)
			  float)
			 (double-float-equal
			  (parse-double str)
			  float))
		   results)))
	  results)
      ((t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t)))


    (deftest :basic/bigint/1
	(let ((results '()))
	  (dolist (row (query "select * from TYPE_BIGINT" :result-types :auto)
		   results)
	    (destructuring-bind (int bigint) row
	      (push (list (integerp int)
			  (if (and (eq :odbc *test-database-type*)
				   (eq :postgresql *test-database-underlying-type*))
			      ;; ODBC/Postgresql may return returns bigints as strings or integer
			      ;; depending upon the platform
			      t
			    (integerp bigint)))
		    results))))
      ((t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t) (t t)))

    ))


(defun test-basic-initialize ()
  (ignore-errors
   (clsql:execute-command "DROP TABLE TYPE_TABLE")
   (clsql:execute-command "DROP TABLE TYPE_BIGINT"))

  (clsql:execute-command 
   "CREATE TABLE TYPE_TABLE (t_int integer, t_float double precision, t_str VARCHAR(30))")

  (if (clsql-sys:db-type-has-bigint? *test-database-type*)
    (clsql:execute-command "CREATE TABLE TYPE_BIGINT (t_int integer, t_bigint BIGINT)")
    (clsql:execute-command "CREATE TABLE TYPE_BIGINT (t_int integer)"))

  (dotimes (i 11)
    (let* ((test-int (- i 5))
	   (test-flt (transform-float-1 test-int)))
      (clsql:execute-command
       (format nil "INSERT INTO TYPE_TABLE VALUES (~a,~a,'~a')"
	       test-int
	       (clsql-sys:number-to-sql-string test-flt)
	       (clsql-sys:number-to-sql-string test-flt)
	       ))
      (when (clsql-sys:db-type-has-bigint? *test-database-type*)
	(clsql:execute-command
	 (format nil "INSERT INTO TYPE_BIGINT VALUES (~a,~a)"
		 test-int
		 (transform-bigint-1 test-int)
		 ))))))

;;;; Testing functions

(defun transform-float-1 (i)
  (coerce (* i (abs (/ i 2)) (expt 10 (* 2 i))) 'double-float))

(defun transform-bigint-1 (i)
  (* i (expt 10 (* 3 (abs i)))))

(defun parse-double (num-str)
  (let ((*read-default-float-format* 'double-float))
    (coerce (read-from-string num-str) 'double-float)))

(defun double-float-equal (a b)
  (if (zerop a)
      (if (zerop b)
	  t
	  nil)
      (let ((diff (abs (/ (- a b) a))))
	(if (> diff (* 10 double-float-epsilon))
	    nil
	    t))))