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Diffstat (limited to 'test/fpm_test/test_backend.f90')
| -rw-r--r-- | test/fpm_test/test_backend.f90 | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/test/fpm_test/test_backend.f90 b/test/fpm_test/test_backend.f90 new file mode 100644 index 0000000..662e470 --- /dev/null +++ b/test/fpm_test/test_backend.f90 @@ -0,0 +1,353 @@ +!> Define tests for the `fpm_backend` module (build scheduling) +module test_backend + use testsuite, only : new_unittest, unittest_t, error_t, test_failed + use test_module_dependencies, only: operator(.in.) + use fpm_filesystem, only: exists, mkdir, get_temp_filename + use fpm_targets, only: build_target_t, build_target_ptr, & + FPM_TARGET_OBJECT, FPM_TARGET_ARCHIVE, & + add_target, add_dependency + use fpm_backend, only: sort_target, schedule_targets + implicit none + private + + public :: collect_backend + +contains + + + !> Collect all exported unit tests + subroutine collect_backend(testsuite) + + !> Collection of tests + type(unittest_t), allocatable, intent(out) :: testsuite(:) + + testsuite = [ & + & new_unittest("target-sort", test_target_sort), & + & new_unittest("target-sort-skip-all", test_target_sort_skip_all), & + & new_unittest("target-sort-rebuild-all", test_target_sort_rebuild_all), & + & new_unittest("schedule-targets", test_schedule_targets), & + & new_unittest("schedule-targets-empty", test_schedule_empty) & + ] + + end subroutine collect_backend + + + !> Check scheduling of objects with dependencies + subroutine test_target_sort(error) + + !> Error handling + type(error_t), allocatable, intent(out) :: error + + type(build_target_ptr), allocatable :: targets(:) + + integer :: i + + targets = new_test_package() + + ! Perform depth-first topological sort of targets + do i=1,size(targets) + + call sort_target(targets(i)%ptr) + + end do + + ! Check target states: all targets scheduled + do i=1,size(targets) + + if (.not.targets(i)%ptr%touched) then + call test_failed(error,"Target touched flag not set") + return + end if + + if (.not.targets(i)%ptr%sorted) then + call test_failed(error,"Target sort flag not set") + return + end if + + if (targets(i)%ptr%skip) then + call test_failed(error,"Target skip flag set incorrectly") + return + end if + + if (targets(i)%ptr%schedule < 0) then + call test_failed(error,"Target schedule not set") + return + end if + + end do + + ! Check all objects sheduled before library + do i=2,size(targets) + + if (targets(i)%ptr%schedule >= targets(1)%ptr%schedule) then + call test_failed(error,"Object dependency scheduled after dependent library target") + return + end if + + end do + + ! Check target 4 schedule before targets 2 & 3 + do i=2,3 + if (targets(4)%ptr%schedule >= targets(i)%ptr%schedule) then + call test_failed(error,"Object dependency scheduled after dependent object target") + return + end if + end do + + end subroutine test_target_sort + + + + !> Check incremental rebuild for existing archive + !> all object sources are unmodified: all objects should be skipped + subroutine test_target_sort_skip_all(error) + + !> Error handling + type(error_t), allocatable, intent(out) :: error + + type(build_target_ptr), allocatable :: targets(:) + + integer :: fh, i + + targets = new_test_package() + + do i=2,size(targets) + + ! Mimick unmodified sources + allocate(targets(i)%ptr%source) + targets(i)%ptr%source%digest = i + targets(i)%ptr%digest_cached = i + + end do + + ! Mimick archive already exists + open(newunit=fh,file=targets(1)%ptr%output_file,status="unknown") + close(fh) + + ! Perform depth-first topological sort of targets + do i=1,size(targets) + + call sort_target(targets(i)%ptr) + + end do + + ! Check target states: all targets skipped + do i=1,size(targets) + + if (.not.targets(i)%ptr%touched) then + call test_failed(error,"Target touched flag not set") + return + end if + + if (targets(i)%ptr%sorted) then + call test_failed(error,"Target sort flag set incorrectly") + return + end if + + if (.not.targets(i)%ptr%skip) then + call test_failed(error,"Target skip flag set incorrectly") + return + end if + + end do + + end subroutine test_target_sort_skip_all + + + !> Check incremental rebuild for existing archive + !> all but lowest source modified: all objects should be rebuilt + subroutine test_target_sort_rebuild_all(error) + + !> Error handling + type(error_t), allocatable, intent(out) :: error + + type(build_target_ptr), allocatable :: targets(:) + + integer :: fh, i + + targets = new_test_package() + + do i=2,3 + + ! Mimick unmodified sources + allocate(targets(i)%ptr%source) + targets(i)%ptr%source%digest = i + targets(i)%ptr%digest_cached = i + + end do + + ! Mimick archive already exists + open(newunit=fh,file=targets(1)%ptr%output_file,status="unknown") + close(fh) + + ! Perform depth-first topological sort of targets + do i=1,size(targets) + + call sort_target(targets(i)%ptr) + + end do + + ! Check target states: all targets scheduled + do i=1,size(targets) + + if (.not.targets(i)%ptr%sorted) then + call test_failed(error,"Target sort flag not set") + return + end if + + if (targets(i)%ptr%skip) then + call test_failed(error,"Target skip flag set incorrectly") + return + end if + + end do + + end subroutine test_target_sort_rebuild_all + + + !> Check construction of target queue and schedule + subroutine test_schedule_targets(error) + + !> Error handling + type(error_t), allocatable, intent(out) :: error + + type(build_target_ptr), allocatable :: targets(:) + + integer :: i, j + type(build_target_ptr), allocatable :: queue(:) + integer, allocatable :: schedule_ptr(:) + + targets = new_test_package() + + ! Perform depth-first topological sort of targets + do i=1,size(targets) + + call sort_target(targets(i)%ptr) + + end do + + ! Construct build schedule queue + call schedule_targets(queue, schedule_ptr, targets) + + ! Check all targets enqueued + do i=1,size(targets) + + if (.not.(targets(i)%ptr.in.queue)) then + + call test_failed(error,"Target not found in build queue") + return + + end if + + end do + + ! Check schedule structure + if (schedule_ptr(1) /= 1) then + + call test_failed(error,"schedule_ptr(1) does not point to start of the queue") + return + + end if + + if (schedule_ptr(size(schedule_ptr)) /= size(queue)+1) then + + call test_failed(error,"schedule_ptr(end) does not point to end of the queue") + return + + end if + + do i=1,size(schedule_ptr)-1 + + do j=schedule_ptr(i),(schedule_ptr(i+1)-1) + + if (queue(j)%ptr%schedule /= i) then + + call test_failed(error,"Target scheduled in the wrong region") + return + + end if + + end do + + end do + + end subroutine test_schedule_targets + + + !> Check construction of target queue and schedule + !> when there's nothing to do (all targets skipped) + subroutine test_schedule_empty(error) + + !> Error handling + type(error_t), allocatable, intent(out) :: error + + type(build_target_ptr), allocatable :: targets(:) + + integer :: i + type(build_target_ptr), allocatable :: queue(:) + integer, allocatable :: schedule_ptr(:) + + targets = new_test_package() + + do i=1,size(targets) + + targets(i)%ptr%skip = .true. + + end do + + ! Perform depth-first topological sort of targets + do i=1,size(targets) + + call sort_target(targets(i)%ptr) + + end do + + ! Construct build schedule queue + call schedule_targets(queue, schedule_ptr, targets) + + ! Check queue is empty + if (size(queue) > 0) then + + call test_failed(error,"Expecting an empty build queue, but not empty") + return + + end if + + ! Check schedule loop is not entered + do i=1,size(schedule_ptr)-1 + + call test_failed(error,"Attempted to run an empty schedule") + return + + end do + + end subroutine test_schedule_empty + + + !> Helper to generate target objects with dependencies + function new_test_package() result(targets) + + type(build_target_ptr), allocatable :: targets(:) + + call add_target(targets,FPM_TARGET_ARCHIVE,get_temp_filename()) + + call add_target(targets,FPM_TARGET_OBJECT,get_temp_filename()) + + call add_target(targets,FPM_TARGET_OBJECT,get_temp_filename()) + + call add_target(targets,FPM_TARGET_OBJECT,get_temp_filename()) + + ! Library depends on all objects + call add_dependency(targets(1)%ptr,targets(2)%ptr) + call add_dependency(targets(1)%ptr,targets(3)%ptr) + call add_dependency(targets(1)%ptr,targets(4)%ptr) + + ! Inter-object dependency + ! targets 2 & 3 depend on target 4 + call add_dependency(targets(2)%ptr,targets(4)%ptr) + call add_dependency(targets(3)%ptr,targets(4)%ptr) + + end function new_test_package + + +end module test_backend
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