Build no tests by default (#572)

Building tests can be enforced using --tests for build. It is done
automatically before running tests.

Author: Sideboard

src/fpm.f90

@@ -85,6 +85,8 @@ subroutine build_model(model, settings, package, error)
     model%fortran_compile_flags = flags // " " // &
         & model%compiler%get_module_flag(join_path(model%output_directory, model%package_name))
 
+    model%include_tests = settings%build_tests
+
     allocate(model%packages(model%deps%ndep))
 
     ! Add sources from executable directories
@@ -268,7 +270,7 @@ subroutine cmd_build(settings)
     call fpm_stop(1,'*cmd_build*:model error:'//error%message)
 end if
 
-call targets_from_sources(targets,model,error)
+call targets_from_sources(targets, model, error)
 if (allocated(error)) then
     call fpm_stop(1,'*cmd_build*:target error:'//error%message)
 end if
@@ -314,7 +316,7 @@ subroutine cmd_run(settings,test)
         call fpm_stop(1, '*cmd_run*:model error:'//error%message)
     end if
 
-    call targets_from_sources(targets,model,error)
+    call targets_from_sources(targets, model, error)
     if (allocated(error)) then
         call fpm_stop(1, '*cmd_run*:targets error:'//error%message)
     end if

src/fpm/cmd/install.f90

@@ -36,7 +36,7 @@ subroutine cmd_install(settings)
     call build_model(model, settings%fpm_build_settings, package, error)
     call handle_error(error)
 
-    call targets_from_sources(targets,model,error)
+    call targets_from_sources(targets, model, error)
     call handle_error(error)
 
     installable = (allocated(package%library) .and. package%install%library) &

src/fpm_command_line.f90

@@ -67,6 +67,7 @@ module fpm_command_line
 type, extends(fpm_cmd_settings)  :: fpm_build_settings
     logical                      :: list=.false.
     logical                      :: show_model=.false.
+    logical                      :: build_tests=.false.
     character(len=:),allocatable :: compiler
     character(len=:),allocatable :: profile
     character(len=:),allocatable :: flag
@@ -202,6 +203,7 @@ subroutine get_command_line_settings(cmd_settings)
             & flag=val_flag, &
             & example=lget('example'), &
             & list=lget('list'),&
+            & build_tests=.false.,&
             & name=names,&
             & runner=val_runner,&
             & verbose=lget('verbose') )
@@ -213,7 +215,8 @@ subroutine get_command_line_settings(cmd_settings)
             & --show-model F &
             & --compiler "'//get_env('FPM_COMPILER','gfortran')//'" &
             & --flag:: " "&
-            & --verbose F&
+            & --tests F &
+            & --verbose F &
             & --',help_build,version_text)
 
             call check_build_vals()
@@ -225,6 +228,7 @@ subroutine get_command_line_settings(cmd_settings)
             & flag=val_flag, &
             & list=lget('list'),&
             & show_model=lget('show-model'),&
+            & build_tests=lget('tests'),&
             & verbose=lget('verbose') )
 
         case('new')
@@ -417,6 +421,7 @@ subroutine get_command_line_settings(cmd_settings)
             & flag=val_flag, &
             & example=.false., &
             & list=lget('list'), &
+            & build_tests=.true., &
             & name=names, &
             & runner=val_runner, &
             & verbose=lget('verbose') )
@@ -521,6 +526,7 @@ subroutine set_help()
    help_list_dash = [character(len=80) :: &
    '                                                                                ', &
    ' build [--compiler COMPILER_NAME] [--profile PROF] [--flag FFLAGS] [--list]     ', &
+   '       [--tests]                                                                ', &
    ' help [NAME(s)]                                                                 ', &
    ' new NAME [[--lib|--src] [--app] [--test] [--example]]|                         ', &
    '          [--full|--bare][--backfill]                                           ', &
@@ -638,6 +644,7 @@ subroutine set_help()
     '  Their syntax is                                                      ', &
     '                                                                                ', &
     '    build [--profile PROF] [--flag FFLAGS] [--list] [--compiler COMPILER_NAME]  ', &
+    '          [--tests]                                                             ', &
     '    new NAME [[--lib|--src] [--app] [--test] [--example]]|                      ', &
     '             [--full|--bare][--backfill]                                        ', &
     '    update [NAME(s)] [--fetch-only] [--clean]                                   ', &
@@ -828,7 +835,8 @@ subroutine set_help()
     ' build(1) - the fpm(1) subcommand to build a project                   ', &
     '                                                                       ', &
     'SYNOPSIS                                                               ', &
-    ' fpm build [--profile PROF] [--flag FFLAGS] [--compiler COMPILER_NAME] [-list]', &
+    ' fpm build [--profile PROF] [--flag FFLAGS] [--compiler COMPILER_NAME] ', &
+    '           [--list] [--tests]                                          ', &
     '                                                                       ', &
     ' fpm build --help|--version                                            ', &
     '                                                                       ', &
@@ -864,6 +872,7 @@ subroutine set_help()
     '                           "gfortran" unless set by the environment    ', &
     '                           variable FPM_COMPILER.                      ', &
     ' --list       list candidates instead of building or running them      ', &
+    ' --tests      build all tests (otherwise only if needed)               ', &
     ' --show-model show the model and exit (do not build)                   ', &
     ' --help       print this help and exit                                 ', &
     ' --version    print program version information and exit               ', &

src/fpm_model.f90

@@ -139,6 +139,9 @@ module fpm_model
     !> Project dependencies
     type(dependency_tree_t) :: deps
 
+    !> Whether tests should be added to the build list
+    logical :: include_tests = .true.
+
 end type fpm_model_t
 
 contains

src/fpm_targets.f90

@@ -191,6 +191,10 @@ subroutine build_target_list(targets,model)
 
             do i=1,size(sources)
 
+                if (.not. model%include_tests) then
+                    if (sources(i)%unit_scope == FPM_SCOPE_TEST) cycle
+                end if
+
                 select case (sources(i)%unit_type)
                 case (FPM_UNIT_MODULE,FPM_UNIT_SUBMODULE,FPM_UNIT_SUBPROGRAM,FPM_UNIT_CSOURCE)