162 lines
6.0 KiB
Scheme
162 lines
6.0 KiB
Scheme
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#!/usr/bin/env pika-script-fu-interpreter-3.0
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; A script that tests resource classes in PIKA
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; Tests the marshalling of parameters and return values in ScriptFu
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;
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; Setup: copy this file w/ executable permission, and its parent dir to /plug-ins
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; Example: to ~/.pika-2.99/plug-ins/always-fail/always-fail.scm
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; Delete .config/PIKA so that resources are in a standard state.
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; Expect various resource names in the console
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; Expect no "Fail" in the console
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(define (script-fu-test-resource-class)
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(define (expect expression
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expected-value )
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; use equal?, don't use eq?
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(if (equal? expression expected-value)
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#t
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(pika-message "Fail")
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)
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)
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; redirect messages to the console
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(pika-message-set-handler 1)
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(let* (
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; Test as a return value
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; These calls return a list with one element, use car
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(brush (car (pika-context-get-brush)))
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(font (car (pika-context-get-font)))
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(gradient (car (pika-context-get-gradient)))
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(palette (car (pika-context-get-palette)))
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(pattern (car (pika-context-get-pattern)))
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; font and pattern cannot be new(), duplicate(), delete()
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; new() methods
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(brushnew (car (pika-brush-new "Brush New")))
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(gradientnew (car (pika-gradient-new "Gradient New")))
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(palettenew (car (pika-palette-new "Palette New")))
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; copy() methods
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; copy method is named "duplicate"
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; Takes an existing brush and a desired name
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(brushcopy (car (pika-brush-duplicate brushnew "brushcopy")))
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(gradientcopy (car (pika-gradient-duplicate gradientnew "gradientcopy")))
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(palettecopy (car (pika-palette-duplicate palettenew "palettecopy")))
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; See below, we test rename later
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)
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; write names to console
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(pika-message brush)
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(pika-message font)
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(pika-message gradient)
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(pika-message palette)
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(pika-message pattern)
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(pika-message brushnew)
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(pika-message gradientnew)
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(pika-message palettenew)
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(pika-message brushcopy)
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(pika-message gradientcopy)
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(pika-message palettecopy)
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; Note equal? works for strings, but eq? and eqv? do not
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(pika-message "Expect resources from context have de novo installed PIKA names")
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(expect (equal? brush "2. Hardness 050") #t)
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(expect (equal? font "Sans-serif") #t)
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(expect (equal? gradient "FG to BG (RGB)") #t)
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(expect (equal? palette "Color History") #t)
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(expect (equal? pattern "Pine") #t)
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(pika-message "Expect new resource names are the names given when created")
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(expect (equal? brushnew "Brush New") #t)
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(expect (equal? gradientnew "Gradient New") #t)
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(expect (equal? palettenew "Palette New") #t)
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(pika-message "Expect copied resources have names given when created")
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; !!! TODO PIKA appends " copy" and does not use the given name
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; which contradicts the docs for the procedure
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(expect (equal? brushcopy "Brush New copy") #t)
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(expect (equal? gradientcopy "Gradient New copy") #t)
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(expect (equal? palettecopy "Palette New copy") #t)
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; rename() methods
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; Returns new resource proxy, having possibly different name than requested
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; ScriptFu marshals to a string
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; !!! Must assign it to the same var,
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; else the var becomes an invalid reference since it has the old name
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(set! brushcopy (car (pika-brush-rename brushcopy "Brush Copy Renamed")))
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(set! gradientcopy (car (pika-gradient-rename gradientcopy "Gradient Copy Renamed")))
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(set! palettecopy (car (pika-palette-rename palettecopy "Palette Copy Renamed")))
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; write renames to console
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(pika-message brushcopy)
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(pika-message gradientcopy)
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(pika-message palettecopy)
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(pika-message "Expect renamed have new names")
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(expect (equal? brushcopy "Brush Copy Renamed") #t)
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(expect (equal? gradientcopy "Gradient Copy Renamed") #t)
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(expect (equal? palettecopy "Palette Copy Renamed") #t)
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(pika-message "Expect class method id_is_valid of the PikaResource class")
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; the class method takes a string.
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; ScriptFu already has a string var, and marshalling is trivial
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; For now, returns (1), not #t
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(expect (car (pika-brush-id-is-valid brush)) 1)
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(expect (car (pika-font-id-is-valid font)) 1)
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(expect (car (pika-gradient-id-is-valid gradient)) 1)
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(expect (car (pika-palette-id-is-valid palette)) 1)
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(expect (car (pika-pattern-id-is-valid pattern)) 1)
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(pika-message "Expect class method id_is_valid for invalid name")
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; Expect false, but no error dialog from PIKA
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; Returns (0), not #f
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(expect (car (pika-brush-id-is-valid "invalid_name")) 0)
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(expect (car (pika-font-id-is-valid "invalid_name")) 0)
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(expect (car (pika-gradient-id-is-valid "invalid_name")) 0)
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(expect (car (pika-palette-id-is-valid "invalid_name")) 0)
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(expect (car (pika-pattern-id-is-valid "invalid_name")) 0)
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(pika-message "Expect as a parameter to context works")
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; Pass each resource class instance back to Gimp
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(pika-context-set-brush brush)
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(pika-context-set-font font)
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(pika-context-set-gradient gradient)
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(pika-context-set-palette palette)
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(pika-context-set-pattern pattern)
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(pika-message "Expect delete methods work without error")
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(pika-brush-delete brushnew)
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(pika-gradient-delete gradientnew)
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(pika-palette-delete palettenew)
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(pika-message "Expect var holding deleted resource is still defined, but is invalid reference")
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; Returns (0), not #f
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(expect (car (pika-brush-id-is-valid brushnew)) 0)
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(expect (car (pika-gradient-id-is-valid gradientnew)) 0)
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(expect (car (pika-palette-id-is-valid palettenew)) 0)
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; We don't test the specialized methods of the classes here, see elsewhere
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)
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)
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(script-fu-register "script-fu-test-resource-class"
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"Test resource classes of Pika"
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"Expect no errors in the console"
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"lkk"
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"lkk"
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"2022"
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"" ; requires no image
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; no arguments or dialog
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)
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(script-fu-menu-register "script-fu-test-resource-class" "<Image>/Test")
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