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------------------------------------------------------------------------------
-- --
-- GNATTEST COMPONENTS --
-- --
-- G N A T T E S T . A G G R E G A T O R --
-- --
-- B o d y --
-- --
-- Copyright (C) 2014-2018, AdaCore --
-- --
-- GNATTEST 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 2, or (at your option) any later --
-- version. GNATTEST 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 GNAT; see file COPYING. If --
-- not, write to the Free Software Foundation, 51 Franklin Street, Fifth --
-- Floor, Boston, MA 02110-1301, USA., --
-- --
-- GNATTEST is maintained by AdaCore (http://www.adacore.com). --
-- --
------------------------------------------------------------------------------
pragma Ada_2012;
with Ada.Containers.Indefinite_Ordered_Maps;
with Ada.Characters.Handling; use Ada.Characters.Handling;
with Ada.Strings; use Ada.Strings;
with Ada.Strings.Fixed; use Ada.Strings.Fixed;
with Ada.Text_IO; use Ada.Text_IO;
with GNAT.OS_Lib; use GNAT.OS_Lib;
with GNAT.Directory_Operations; use GNAT.Directory_Operations;
with GNATCOLL.VFS; use GNATCOLL.VFS;
with GNATCOLL.Traces; use GNATCOLL.Traces;
with GNATtest.Common; use GNATtest.Common;
with GNATtest.Options; use GNATtest.Options;
package body GNATtest.Aggregator is
Me : constant Trace_Handle := Create ("Aggregator", Default => Off);
Test_Out_File : constant String := "test.out";
Empty_Arg_List : constant Argument_List_Access :=
Argument_String_To_List ("");
Target_Dirs : File_Array_Access := new File_Array'(Empty_File_Array);
type TD_Status is
(Waiting, Processing, Analysis, Invalid, Done);
package TD_Tables is new
Ada.Containers.Indefinite_Ordered_Maps (String, TD_Status);
use TD_Tables;
TD_Table : TD_Tables.Map := Empty_Map;
function Get_Next_Driver_To_Run return String;
function Get_Next_Driver_To_Analyze return String;
procedure Mark_As_Processing (S : String);
procedure Mark_As_Done (S : String);
procedure Mark_As_Invalid (S : String);
procedure Mark_As_Analysis (S : String);
function Unfinished_Processes return Boolean;
No_Process : constant Natural := 0;
First_Process : constant Natural := 1;
Currently_Running : Natural := 0;
-- The number of test drivers started and in umknown state.
subtype Full_Driver_Process_Table_Idx is Natural
range No_Process .. Natural'Last;
subtype Driver_Process_Table_Idx is Natural
range First_Process .. Natural'Last;
type Driver_Process is record
Name : String_Access := new String'("");
PId : Process_Id := Invalid_Pid;
end record;
type Driver_Process_Table_Type is array (Positive range <>)
of Driver_Process;
type Driver_Process_Table_Type_Access is access Driver_Process_Table_Type;
Driver_Process_Table : Driver_Process_Table_Type_Access;
Last_Stored : Full_Driver_Process_Table_Idx := No_Process;
Last_Finished : Full_Driver_Process_Table_Idx := No_Process;
For_Analysis : Full_Driver_Process_Table_Idx := No_Process;
Last_Stored_Old, Last_Finished_Old : Full_Driver_Process_Table_Idx;
function Get_Corresponding_Dir
(Idx : Driver_Process_Table_Idx)
return String
is
(Target_Dirs (Target_Dirs'First + Idx - 1).Display_Full_Name);
-- Gets the full name of directory from Target_Dirs with correpsonding
-- index.
function Not_A_Comment (S : String) return Boolean;
-- True if S doesn't start with "-- ".
procedure Run_More_Drivers;
procedure Set_Terminated_Process_Index;
procedure Store_Process_Termination
(Process : Process_Id;
Success : Boolean);
-- Locates the record corresponding to Process in Driver_Process_Table.
-- Changes the status of the corresponding driver according to Success and
-- removes the record about this process from Driver_Process_Table;
function Get_Index_For_New_Process return Driver_Process_Table_Idx;
-- Returns the index of element in test driver table to store the process.
procedure Parse_Test_Driver_Output;
-- Parses output file from dir number For_Analysis.
Cumulative_Output_Passed : List_Of_Strings.List
:= List_Of_Strings.Empty_List;
Cumulative_Output_Failed : List_Of_Strings.List
:= List_Of_Strings.Empty_List;
Cumulative_Output_Crashed : List_Of_Strings.List
:= List_Of_Strings.Empty_List;
Cumulative_Output_Unsure : List_Of_Strings.List
:= List_Of_Strings.Empty_List;
Total_Passed : Natural := 0;
Total_Failed : Natural := 0;
Total_Crashed : Natural := 0;
-------------------------------
-- Get_Index_For_New_Process --
-------------------------------
function Get_Index_For_New_Process return Driver_Process_Table_Idx is
Idx : Driver_Process_Table_Idx range First_Process .. Queues_Number
:= First_Process;
Count : Natural := 0;
Res : Driver_Process_Table_Idx;
begin
-- Saving in case new process will fail
Last_Stored_Old := Last_Stored;
Last_Finished_Old := Last_Finished;
if Last_Finished /= No_Process then
Res := Last_Finished;
Last_Stored := Last_Finished;
Last_Finished := No_Process;
return Res;
end if;
if Last_Stored /= No_Process then
Idx := (Last_Stored + 1) mod (Queues_Number + 1);
end if;
while Driver_Process_Table (Idx).Name.all /= "" loop
Count := Count + 1;
pragma Assert (Count <= Queues_Number);
Idx := (Idx + 1) mod (Queues_Number + 1);
end loop;
Last_Stored := Idx;
return Idx;
end Get_Index_For_New_Process;
--------------------------------
-- Get_Next_Driver_To_Analyze --
--------------------------------
function Get_Next_Driver_To_Analyze return String is
Cur : TD_Tables.Cursor := TD_Table.First;
begin
while Cur /= No_Element loop
if Element (Cur) = Analysis then
return Key (Cur);
end if;
Next (Cur);
end loop;
return "";
end Get_Next_Driver_To_Analyze;
----------------------------
-- Get_Next_Driver_To_Run --
----------------------------
function Get_Next_Driver_To_Run return String is
Cur : TD_Tables.Cursor := TD_Table.First;
begin
while Cur /= No_Element loop
if Element (Cur) = Waiting then
return Key (Cur);
end if;
Next (Cur);
end loop;
return "";
end Get_Next_Driver_To_Run;
----------------------------------
-- Set_Terminated_Process_Index --
----------------------------------
procedure Set_Terminated_Process_Index is
Next_Proc : Process_Id;
Success : Boolean;
begin
Trace (Me, "Set_Terminated_Process_Index");
Increase_Indent (Me);
-- We are waiting for the first driver to terminate.
Wait_Process (Next_Proc, Success);
Trace
(Me,
"process terminated:"
& Integer'Image (Pid_To_Integer (Next_Proc))
& "; success="
& Boolean'Image (Success));
while Next_Proc /= Invalid_Pid loop
Currently_Running := Currently_Running - 1;
Store_Process_Termination (Next_Proc, Success);
if Success then
-- We have a driver output ready for analysis
exit;
end if;
Wait_Process (Next_Proc, Success);
Trace
(Me,
"process terminated:"
& Integer'Image (Pid_To_Integer (Next_Proc))
& "; success="
& Boolean'Image (Success));
end loop;
Decrease_Indent (Me);
end Set_Terminated_Process_Index;
----------------------
-- Mark_As_Analysis --
----------------------
procedure Mark_As_Analysis (S : String) is
Cur : constant TD_Tables.Cursor := TD_Table.Find (S);
begin
if Cur = No_Element then
Report_Err ("no test driver " & S & " in source table");
raise Fatal_Error;
else
TD_Table.Replace_Element (Cur, Analysis);
end if;
end Mark_As_Analysis;
------------------
-- Mark_As_Done --
------------------
procedure Mark_As_Done (S : String) is
Cur : constant TD_Tables.Cursor := TD_Table.Find (S);
begin
if Cur = No_Element then
Report_Err ("no test driver " & S & " in source table");
raise Fatal_Error;
else
TD_Table.Replace_Element (Cur, Done);
end if;
end Mark_As_Done;
---------------------
-- Mark_As_Invalid --
---------------------
procedure Mark_As_Invalid (S : String) is
Cur : constant TD_Tables.Cursor := TD_Table.Find (S);
begin
if Cur = No_Element then
Report_Err ("no test driver " & S & " in source table");
raise Fatal_Error;
else
TD_Table.Replace_Element (Cur, Invalid);
end if;
end Mark_As_Invalid;
------------------------
-- Mark_As_Processing --
------------------------
procedure Mark_As_Processing (S : String) is
Cur : constant TD_Tables.Cursor := TD_Table.Find (S);
begin
if Cur = No_Element then
Report_Err ("no test driver " & S & " in source table");
raise Fatal_Error;
else
TD_Table.Replace_Element (Cur, Processing);
end if;
end Mark_As_Processing;
-------------------
-- Not_A_Comment --
-------------------
function Not_A_Comment (S : String) return Boolean is
begin
if S'Length < 2 then
return True;
end if;
return S (S'First .. S'First + 1) /= "--";
end Not_A_Comment;
------------------------------
-- Parse_Test_Driver_Output --
------------------------------
procedure Parse_Test_Driver_Output is
TD_Output : File_Type;
Idx1, Idx2 : Integer;
Suspicious_Output_Global : Boolean := False;
Suspicious_Output : Boolean := False;
Traceback_Possible : Boolean := False;
type Test_Kinds is (Passed, Failed, Crashed, Unsure);
Current_Kind : Test_Kinds;
function Get_Val (S : String) return Integer;
-- Tries to get an integer value from substring of string between Idx1
-- and Idx2, if substring is empty; Idx1 or Idx2 is 0 or'Val raises
-- exception, returns 0.
procedure Classify_Output
(S : String;
Suspicious_Output : out Boolean;
Traceback_Possible : in out Boolean;
Test_Kind : out Test_Kinds);
-- Looks for patterns that gnattest test reportes puts for passed,
-- failed or crashed tests. I neither is present, this is most likely
-- not test driver's output.
procedure Classify_Output
(S : String;
Suspicious_Output : out Boolean;
Traceback_Possible : in out Boolean;
Test_Kind : out Test_Kinds) is
begin
Suspicious_Output := True;
if Index (S, "corresponding test PASSED") /= 0 then
Suspicious_Output := False;
Test_Kind := Passed;
Traceback_Possible := False;
end if;
if Index (S, "corresponding test FAILED") /= 0 then
Suspicious_Output := False;
Test_Kind := Failed;
Traceback_Possible := False;
end if;
if Index (S, "corresponding test CRASHED") /= 0 then
-- Traceback lines look "suspicious to this check, so we have to
-- put additional flag ON.
Traceback_Possible := True;
Suspicious_Output := False;
Test_Kind := Crashed;
end if;
if Suspicious_Output then
if Traceback_Possible then
-- Trailing traceback.
Test_Kind := Crashed;
else
-- Something unexpected.
Test_Kind := Unsure;
end if;
end if;
end Classify_Output;
function Get_Val (S : String) return Integer is
Res : Integer;
begin
if Idx1 > Idx2 or else Idx1 = 0 or else Idx2 = 0 then
return 0;
end if;
Res := Integer'Value (S (S'First + Idx1 .. S'First + Idx2 - 2));
return Res;
exception
when Constraint_Error =>
return 0;
end Get_Val;
begin
if For_Analysis = No_Process then
return;
end if;
Open
(TD_Output,
In_File,
Get_Corresponding_Dir (For_Analysis)
& Directory_Separator
& Test_Out_File);
while not End_Of_File (TD_Output) loop
declare
S : constant String := Get_Line (TD_Output);
begin
if End_Of_File (TD_Output) then
-- Last line, we need to extract info for overall statistics.
-- Example: 7 tests run: 6 passed; 1 failed; 0 crashed.
-- If the line does not follow this format, test driver
-- probably crashed.
declare
Passed_Add, Failed_Add, Crashed_Add : Integer;
Unexpected : Boolean := False;
begin
Idx1 := Index (S, ":");
Idx2 := Index (S, "passed");
if Idx1 = 0 or else Idx2 = 0 then
Unexpected := True;
else
Passed_Add := Get_Val (S);
end if;
if not Unexpected then
Idx1 := Index (S, ";", Idx2);
Idx2 := Index (S, "failed");
if Idx1 = 0 or else Idx2 = 0 then
Unexpected := True;
else
Failed_Add := Get_Val (S);
end if;
end if;
if not Unexpected then
Idx1 := Index (S, ";", Idx2);
Idx2 := Index (S, "crashed");
if Idx1 = 0 or else Idx2 = 0 then
Unexpected := True;
else
Crashed_Add := Get_Val (S);
end if;
end if;
if Unexpected then
Cumulative_Output_Unsure.Append (S);
Cumulative_Output_Unsure.Append
("error: test driver did not terminate properly");
else
Total_Passed := Total_Passed + Passed_Add;
Total_Failed := Total_Failed + Failed_Add;
Total_Crashed := Total_Crashed + Crashed_Add;
end if;
end;
else
Classify_Output
(S, Suspicious_Output, Traceback_Possible, Current_Kind);
case Current_Kind is
when Passed =>
Cumulative_Output_Passed.Append (S);
when Failed =>
Cumulative_Output_Failed.Append (S);
when Crashed =>
Cumulative_Output_Crashed.Append (S);
when Unsure =>
Cumulative_Output_Unsure.Append (S);
end case;
if Suspicious_Output and then not Traceback_Possible then
Suspicious_Output_Global := True;
end if;
end if;
end;
end loop;
if Suspicious_Output_Global then
Report_Std
("warning: (gnattest) unexpected output from test driver "
& Get_Next_Driver_To_Analyze);
end if;
Close (TD_Output);
Mark_As_Done (Get_Next_Driver_To_Analyze);
end Parse_Test_Driver_Output;
--------------------------
-- Process_Drivers_List --
--------------------------
procedure Process_Drivers_List is
TD_List_File : File_Type;
Tmp : String_Access;
Idx : Integer;
Cur : List_Of_Strings.Cursor;
use List_Of_Strings;
begin
-- Fill up the source table.
Open
(TD_List_File,
In_File,
Arg_File_Name.all);
while not End_Of_File (TD_List_File) loop
Tmp := new String'(Get_Line (TD_List_File));
if Not_A_Comment (Tmp.all) and then Tmp.all /= "" then
if Aggregate_Subdir_Name.all /= "" then
Idx :=
Index (Tmp.all, (1 => Directory_Separator), Backward);
if Idx /= 0 then
TD_Table.Include
(Tmp (Tmp.all'First .. Idx)
& Aggregate_Subdir_Name.all
& Directory_Separator
& Tmp (Idx + 1 .. Tmp.all'Last),
Waiting);
else
TD_Table.Include
(Aggregate_Subdir_Name.all
& Directory_Separator
& Tmp.all,
Waiting);
end if;
else
TD_Table.Include (Tmp.all, Waiting);
end if;
end if;
Free (Tmp);
end loop;
Close (TD_List_File);
if TD_Table.Is_Empty then
Report_Err ("nothing to process in " & Arg_File_Name.all);
end if;
-- Create subdirs for queues.
for I in 1 .. Queues_Number loop
Append
(Target_Dirs,
Create
(+(Get_Current_Dir
& Directory_Separator
& "dir"
& Trim (Positive'Image (I), Both))));
end loop;
Create_Dirs (Target_Dirs);
-- Copy environment
if Environment_Dir /= null then
declare
Success : Boolean;
begin
for J in Target_Dirs'Range loop
Copy
(Create (+Environment_Dir.all),
Target_Dirs (J).Full_Name.all,
Success);
if not Success then
Report_Err
("gnattest: cannot copy contents of "
& Environment_Dir.all
& " to temp dir");
raise Fatal_Error;
end if;
end loop;
end;
end if;
-- Initialise Driver Process Table
Driver_Process_Table := new
Driver_Process_Table_Type (First_Process .. Queues_Number);
while
Get_Next_Driver_To_Run /= ""
or else Get_Next_Driver_To_Analyze /= ""
or else Unfinished_Processes
loop
Run_More_Drivers;
Set_Terminated_Process_Index;
if For_Analysis /= No_Process then
Parse_Test_Driver_Output;
end if;
end loop;
if
Cumulative_Output_Passed.Is_Empty and then
Cumulative_Output_Failed.Is_Empty and then
Cumulative_Output_Crashed.Is_Empty and then
Cumulative_Output_Unsure.Is_Empty
then
Report_Err ("no test drivers terminated successfully");
raise Fatal_Error;
end if;
if Show_Passed_Tests then
Cur := Cumulative_Output_Passed.First;
while Cur /= List_Of_Strings.No_Element loop
Ada.Text_IO.Put_Line (List_Of_Strings.Element (Cur));
Next (Cur);
end loop;
end if;
Cur := Cumulative_Output_Failed.First;
while Cur /= List_Of_Strings.No_Element loop
Ada.Text_IO.Put_Line (List_Of_Strings.Element (Cur));
Next (Cur);
end loop;
Cur := Cumulative_Output_Crashed.First;
while Cur /= List_Of_Strings.No_Element loop
Ada.Text_IO.Put_Line (List_Of_Strings.Element (Cur));
Next (Cur);
end loop;
Cur := Cumulative_Output_Unsure.First;
while Cur /= List_Of_Strings.No_Element loop
Ada.Text_IO.Put_Line (List_Of_Strings.Element (Cur));
Next (Cur);
end loop;
Ada.Text_IO.Put_Line
(Trim
(Integer'Image
(Total_Failed + Total_Passed + Total_Crashed),
Both)
& " tests run: "
& Trim (Integer'Image (Total_Passed), Both)
& " passed; "
& Trim (Integer'Image (Total_Failed), Both)
& " failed; "
& Trim (Integer'Image (Total_Crashed), Both)
& " crashed.");
end Process_Drivers_List;
----------------------
-- Run_More_Drivers --
----------------------
procedure Run_More_Drivers is
Tmp : String_Access;
Next_Process : Process_Id;
Idx : Driver_Process_Table_Idx;
Current_Dir : constant String := Get_Current_Dir;
begin
Trace (Me, "Run_More_Drivers");
Increase_Indent (Me);
while Currently_Running < Queues_Number loop
Trace (Me, "currently running:" & Natural'Image (Currently_Running));
Tmp := new String'(Get_Next_Driver_To_Run);
exit when Tmp.all = "";
Trace (Me, "test driver: " & Tmp.all);
Idx := Get_Index_For_New_Process;
Trace
(Me,
"index for new process:" & Driver_Process_Table_Idx'Image (Idx));
-- We need to spawn it at the right place.
Change_Dir (Get_Corresponding_Dir (Idx));
Trace
(Me,
"switching dir: " & Get_Current_Dir);
Next_Process :=
Non_Blocking_Spawn
(Tmp.all,
Empty_Arg_List.all,
Get_Corresponding_Dir (Idx)
& Directory_Separator
& Test_Out_File,
True);
Trace
(Me,
"pid for new process:"
& Integer'Image (Pid_To_Integer (Next_Process)));
Change_Dir (Current_Dir);
if Next_Process = Invalid_Pid then
Report_Std
("warning: (gnattest) cannot execute test driver " & Tmp.all);
Mark_As_Invalid (Tmp.all);
-- Rolling back Last_Stored and Last_Finished.
Last_Stored := Last_Stored_Old;
Last_Finished := Last_Finished_Old;
else
Mark_As_Processing (Tmp.all);
Currently_Running := Currently_Running + 1;
Driver_Process_Table (Idx) := (new String'(Tmp.all), Next_Process);
end if;
Free (Tmp);
end loop;
Decrease_Indent (Me);
end Run_More_Drivers;
-------------------------------
-- Store_Process_Termination --
-------------------------------
procedure Store_Process_Termination
(Process : Process_Id;
Success : Boolean)
is
Idx : Full_Driver_Process_Table_Idx range No_Process .. Queues_Number
:= No_Process;
begin
Trace (Me, "Store_Process_Termination");
Increase_Indent (Me);
for J in First_Process .. Queues_Number loop
if Driver_Process_Table (J).PId = Process then
Idx := J;
exit;
end if;
end loop;
Trace (Me, "recovered index:" & Integer'Image (Idx));
pragma Assert (Idx in First_Process .. Queues_Number);
if Success then
Trace (Me, " for pid:" & Integer'Image (Pid_To_Integer (Process)));
Mark_As_Analysis (Driver_Process_Table (Idx).Name.all);
For_Analysis := Idx;
else
Report_Std
("warning: (gnattest) test driver "
& Driver_Process_Table (Idx).Name.all
& " crashed");
Mark_As_Invalid (Driver_Process_Table (Idx).Name.all);
For_Analysis := No_Process;
end if;
Driver_Process_Table (Idx) :=
(Name => new String'(""), PId => Invalid_Pid);
Last_Finished := Idx;
Decrease_Indent (Me);
end Store_Process_Termination;
--------------------------
-- Unfinished_Processes --
--------------------------
function Unfinished_Processes return Boolean is
Cur : TD_Tables.Cursor := TD_Table.First;
begin
while Cur /= No_Element loop
if Element (Cur) = Processing then
return True;
end if;
Next (Cur);
end loop;
return False;
end Unfinished_Processes;
end GNATtest.Aggregator;
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