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213 | -- Abstract :
--
-- See spec
--
-- Copyright (C) 2008, 2009, 2013, 2014, 2015, 2017, 2018 Stephen Leake. All Rights Reserved.
--
-- This program is free software; you can redistribute it and/or
-- modify it under terms of the GNU General Public License as
-- published by the Free Software Foundation; either version 3, or (at
-- your option) any later version. This program is distributed in the
-- hope that it will be useful, but WITHOUT ANY WARRANTY; without even
-- the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-- PURPOSE. See the GNU General Public License for more details. You
-- should have received a copy of the GNU General Public License
-- distributed with this program; see file COPYING. If not, write to
-- the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
-- MA 02111-1307, USA.
pragma License (GPL);
with Ada.Directories;
with AUnit.Checks;
package body SAL.CSV.Test is
procedure Check is new AUnit.Checks.Gen_Check_Unconstrained_Array
(Item_Type => Integer,
Index_Type => Positive,
Array_Type => Positive_Array_Integer_Type,
Check_Index => AUnit.Checks.Check,
Check_Item => AUnit.Checks.Check);
procedure Test_Read (T : in out AUnit.Test_Cases.Test_Case'Class)
is
pragma Unreferenced (T);
use AUnit.Checks;
CSV_File_Name : constant String := "sal.csv.test-file.csv";
CSV_File : File_Type;
begin
-- create a test file to read
declare
use Ada.Text_IO;
Test_File : Ada.Text_IO.File_Type;
begin
if Ada.Directories.Exists (CSV_File_Name) then
Ada.Directories.Delete_File (CSV_File_Name);
end if;
Create (Test_File, Out_File, CSV_File_Name);
-- Quotes in header line to test former bug
Put_Line (Test_File, """A"", ""B"", ""C"", ""D"", ""E""");
Put_Line (Test_File, "1, 2, 3, 4, 5");
Put_Line (Test_File, "6, ,,, 7");
Put_Line (Test_File, """a,b"", c, "" """", "", e,");
Close (Test_File);
end;
Open (CSV_File, CSV_File_Name, Max_Row_Size => 42);
Check ("columns", Columns (CSV_File), 5);
Check ("header commas", CSV_File.Commas.all, (4, 9, 14, 19));
-- Deliberately read columns out of order to show that works
Check ("header 1", Unquote (Read (CSV_File, 1)), "A");
Check ("header 5", Unquote (Read (CSV_File, 5)), " E");
Check ("header 2", Unquote (Read (CSV_File, 2)), " B");
Check ("header 4", Unquote (Read (CSV_File, 4)), " D");
Check ("header 3", Unquote (Read (CSV_File, 3)), " C");
Next_Row (CSV_File);
Check ("row 1 commas", CSV_File.Commas.all, (2, 5, 8, 11));
Check ("row 1 1", Read (CSV_File, 1), "1");
Check ("row 1 5", Read (CSV_File, 5), " 5");
Check ("row 1 2", Read (CSV_File, 2), " 2");
Check ("row 1 4", Read (CSV_File, 4), " 4");
Check ("row 1 3", Read (CSV_File, 3), " 3");
Next_Row (CSV_File);
Check ("row 2 commas", CSV_File.Commas.all, (2, 4, 5, 6));
Check ("row 2 1", Read (CSV_File, 1), "6");
Check ("row 2 5", Read (CSV_File, 5), " 7");
Check ("row 2 2", Read (CSV_File, 2), " ");
Check ("row 2 4", Read (CSV_File, 4), "");
Check ("row 2 3", Read (CSV_File, 3), "");
Check ("End_Of_File false", End_Of_File (CSV_File), False);
Next_Row (CSV_File);
Check ("row 3 commas", CSV_File.Commas.all, (6, 9, 18, 21));
Check ("row 3 1", Read (CSV_File, 1), """a,b""");
Check ("row 3 2", Read (CSV_File, 2), " c");
Check ("row 3 3", Read (CSV_File, 3), " "" """", """);
Check ("row 3 4", Read (CSV_File, 4), " e");
Check ("row 3 5", Read (CSV_File, 5), "");
Check ("End_Of_File true", End_Of_File (CSV_File), True);
end Test_Read;
procedure Quote_Unquote (T : in out AUnit.Test_Cases.Test_Case'Class)
is
pragma Unreferenced (T);
use AUnit.Checks;
procedure Test
(Label : in String;
Unquoted : in String;
Quoted : in String)
is
Quoted_Computed : constant String := Quote (Unquoted);
Unquoted_Computed : constant String := Unquote (Quoted);
begin
Check (Label & " Unquoted", Unquoted_Computed, Unquoted);
Check (Label & " Quoted", Quoted_Computed, Quoted);
end Test;
begin
Test ("1", "6", """6""");
Test ("2", """a,b"", c", """""""a,b"""", c""");
Test ("3", "c, "" """", "", e,", """c, """" """""""", """", e,""");
Test ("4", "", """""");
Test ("5", """", """""""""");
Check ("6", Unquote ("6"), "6");
end Quote_Unquote;
procedure Newline_In_Quoted_String (T : in out AUnit.Test_Cases.Test_Case'Class)
is
pragma Unreferenced (T);
use AUnit.Checks;
Tab : constant Character := ASCII.HT;
CSV_File_Name : constant String := "sal.csv.test-file.csv";
CSV_File : File_Type;
begin
-- Test newlines in a quoted text field
-- create a test file to read
declare
use Ada.Text_IO;
Test_File : Ada.Text_IO.File_Type;
begin
if Ada.Directories.Exists (CSV_File_Name) then
Ada.Directories.Delete_File (CSV_File_Name);
end if;
Create (Test_File, Out_File, CSV_File_Name);
Put_Line (Test_File, "A" & Tab & "B" & Tab & """C"""); -- header
Put_Line (Test_File, "4" & Tab & "5" & Tab & """six");
Put_Line (Test_File, "seven"""); -- row 1
Put_Line (Test_File, "8" & Tab & """nine");
Put_Line (Test_File, "ten""" & Tab & """eleven"""); -- row 2
Close (Test_File);
end;
Open
(CSV_File,
CSV_File_Name,
Max_Row_Size => 21,
Delimiter => Tab);
Check ("columns", Columns (CSV_File), 3);
Check ("header delimiters", CSV_File.Commas.all, (2, 4));
Check ("header 1", Read (CSV_File, 1), "A");
Check ("header 2", Read (CSV_File, 2), "B");
Check ("header 3", Read (CSV_File, 3), """C""");
Next_Row (CSV_File);
Check ("row 1 delimiters", CSV_File.Commas.all, (2, 4));
Check ("row 1 1", Read (CSV_File, 1), "4");
Check ("row 1 2", Read (CSV_File, 2), "5");
Check ("row 1 3", Read (CSV_File, 3), """six" & ASCII.LF & "seven""");
Next_Row (CSV_File);
Check ("row 2 1", Read (CSV_File, 1), "8");
Check ("row 2 2", Read (CSV_File, 2), """nine" & ASCII.LF & "ten""");
Check ("row 2 3", Read (CSV_File, 3), """eleven""");
Check ("End_Of_File true", End_Of_File (CSV_File), True);
end Newline_In_Quoted_String;
----------
-- Public bodies
overriding function Name (T : Test_Case) return AUnit.Message_String
is
pragma Unreferenced (T);
begin
return new String'("SAL.CSV.Test");
end Name;
overriding procedure Register_Tests (T : in out Test_Case)
is
use AUnit.Test_Cases.Registration;
begin
Register_Routine (T, Test_Read'Access, "Test_Read");
Register_Routine (T, Quote_Unquote'Access, "Quote_Unquote");
Register_Routine (T, Newline_In_Quoted_String'Access, "Newline_In_Quoted_String");
end Register_Tests;
end SAL.CSV.Test;
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