Files
rose-ash/shared/sx/ref/test-aser.sx
giles e843602ac9 Fix aser list flattening bug, add wire format test suite (41 tests)
The sync aser-call in adapter-sx.sx didn't flatten list results from
map/filter in positional children — serialize(list) wrapped in parens
creating ((div ...) ...) which re-parses as an invalid call. Rewrote
aser-call from reduce to for-each (bootstrapper can't nest for-each
inside reduce lambdas) and added list flattening in both aser-call
and aser-fragment.

Also adds test-aser.sx (41 tests), render-sx platform function,
expanded test-render.sx (+7 map/filter children tests), and specs
async-eval-slot-inner in adapter-async.sx.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-11 14:59:31 +00:00

242 lines
8.4 KiB
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;; ==========================================================================
;; test-aser.sx — Tests for the SX wire format (aser) adapter
;;
;; Requires: test-framework.sx loaded first.
;; Modules tested: adapter-sx.sx (aser, aser-call, aser-fragment, aser-special)
;;
;; Platform functions required (beyond test framework):
;; render-sx (sx-source) -> SX wire format string
;; Parses the sx-source string, evaluates via aser in a
;; fresh env, and returns the resulting SX wire format string.
;; ==========================================================================
;; --------------------------------------------------------------------------
;; Basic serialization
;; --------------------------------------------------------------------------
(defsuite "aser-basics"
(deftest "number literal passes through"
(assert-equal "42"
(render-sx "42")))
(deftest "string literal passes through"
;; aser returns the raw string value; render-sx concatenates it directly
(assert-equal "hello"
(render-sx "\"hello\"")))
(deftest "boolean true passes through"
(assert-equal "true"
(render-sx "true")))
(deftest "boolean false passes through"
(assert-equal "false"
(render-sx "false")))
(deftest "nil produces empty"
(assert-equal ""
(render-sx "nil"))))
;; --------------------------------------------------------------------------
;; HTML tag serialization
;; --------------------------------------------------------------------------
(defsuite "aser-tags"
(deftest "simple div"
(assert-equal "(div \"hello\")"
(render-sx "(div \"hello\")")))
(deftest "nested tags"
(assert-equal "(div (span \"hi\"))"
(render-sx "(div (span \"hi\"))")))
(deftest "multiple children"
(assert-equal "(div (p \"a\") (p \"b\"))"
(render-sx "(div (p \"a\") (p \"b\"))")))
(deftest "attributes serialize"
(assert-equal "(div :class \"foo\" \"bar\")"
(render-sx "(div :class \"foo\" \"bar\")")))
(deftest "multiple attributes"
(assert-equal "(a :href \"/home\" :class \"link\" \"Home\")"
(render-sx "(a :href \"/home\" :class \"link\" \"Home\")")))
(deftest "void elements"
(assert-equal "(br)"
(render-sx "(br)")))
(deftest "void element with attrs"
(assert-equal "(img :src \"pic.jpg\")"
(render-sx "(img :src \"pic.jpg\")"))))
;; --------------------------------------------------------------------------
;; Fragment serialization
;; --------------------------------------------------------------------------
(defsuite "aser-fragments"
(deftest "simple fragment"
(assert-equal "(<> (p \"a\") (p \"b\"))"
(render-sx "(<> (p \"a\") (p \"b\"))")))
(deftest "empty fragment"
(assert-equal ""
(render-sx "(<>)")))
(deftest "single-child fragment"
(assert-equal "(<> (div \"x\"))"
(render-sx "(<> (div \"x\"))"))))
;; --------------------------------------------------------------------------
;; Control flow in aser mode
;; --------------------------------------------------------------------------
(defsuite "aser-control-flow"
(deftest "if true branch"
(assert-equal "(p \"yes\")"
(render-sx "(if true (p \"yes\") (p \"no\"))")))
(deftest "if false branch"
(assert-equal "(p \"no\")"
(render-sx "(if false (p \"yes\") (p \"no\"))")))
(deftest "when true"
(assert-equal "(p \"ok\")"
(render-sx "(when true (p \"ok\"))")))
(deftest "when false"
(assert-equal ""
(render-sx "(when false (p \"ok\"))")))
(deftest "cond serializes matching branch"
(assert-equal "(p \"two\")"
(render-sx "(cond false (p \"one\") true (p \"two\") :else (p \"three\"))")))
(deftest "let binds then serializes"
(assert-equal "(p \"hello\")"
(render-sx "(let ((x \"hello\")) (p x))")))
(deftest "begin serializes last"
(assert-equal "(p \"last\")"
(render-sx "(begin (p \"first\") (p \"last\"))"))))
;; --------------------------------------------------------------------------
;; THE BUG — map/filter list flattening in children (critical regression)
;; --------------------------------------------------------------------------
(defsuite "aser-list-flattening"
(deftest "map inside tag flattens children"
(assert-equal "(div (span \"a\") (span \"b\") (span \"c\"))"
(render-sx "(do (define items (list \"a\" \"b\" \"c\"))
(div (map (fn (x) (span x)) items)))")))
(deftest "map inside tag with other children"
(assert-equal "(ul (li \"first\") (li \"a\") (li \"b\"))"
(render-sx "(do (define items (list \"a\" \"b\"))
(ul (li \"first\") (map (fn (x) (li x)) items)))")))
(deftest "filter result via let binding as children"
;; Note: (filter ...) is treated as an SVG tag in aser dispatch (SVG has <filter>),
;; so we evaluate filter via let binding + map to serialize children
(assert-equal "(ul (li \"a\") (li \"b\"))"
(render-sx "(do (define items (list \"a\" nil \"b\"))
(define kept (filter (fn (x) (not (nil? x))) items))
(ul (map (fn (x) (li x)) kept)))")))
(deftest "map inside fragment flattens"
(assert-equal "(<> (p \"a\") (p \"b\"))"
(render-sx "(do (define items (list \"a\" \"b\"))
(<> (map (fn (x) (p x)) items)))")))
(deftest "nested map does not double-wrap"
(assert-equal "(div (span \"1\") (span \"2\"))"
(render-sx "(do (define nums (list 1 2))
(div (map (fn (n) (span (str n))) nums)))")))
(deftest "map with component-like output flattens"
(assert-equal "(div (li \"x\") (li \"y\"))"
(render-sx "(do (define items (list \"x\" \"y\"))
(div (map (fn (x) (li x)) items)))"))))
;; --------------------------------------------------------------------------
;; Component serialization (NOT expanded in basic aser mode)
;; --------------------------------------------------------------------------
(defsuite "aser-components"
(deftest "unknown component serializes as-is"
(assert-equal "(~foo :title \"bar\")"
(render-sx "(~foo :title \"bar\")")))
(deftest "defcomp then unexpanded component call"
(assert-equal "(~card :title \"Hi\")"
(render-sx "(do (defcomp ~card (&key title) (h1 title)) (~card :title \"Hi\"))")))
(deftest "component with children serializes unexpanded"
(assert-equal "(~box (p \"inside\"))"
(render-sx "(do (defcomp ~box (&key &rest children) (div children))
(~box (p \"inside\")))"))))
;; --------------------------------------------------------------------------
;; Definition forms in aser mode
;; --------------------------------------------------------------------------
(defsuite "aser-definitions"
(deftest "define evaluates for side effects, returns nil"
(assert-equal "(p 42)"
(render-sx "(do (define x 42) (p x))")))
(deftest "defcomp evaluates and returns nil"
(assert-equal "(~tag :x 1)"
(render-sx "(do (defcomp ~tag (&key x) (span x)) (~tag :x 1))")))
(deftest "defisland evaluates AND serializes"
(let ((result (render-sx "(defisland ~counter (&key count) (span count))")))
(assert-true (string-contains? result "defisland")))))
;; --------------------------------------------------------------------------
;; Function calls in aser mode
;; --------------------------------------------------------------------------
(defsuite "aser-function-calls"
(deftest "named function call evaluates fully"
(assert-equal "3"
(render-sx "(do (define inc1 (fn (x) (+ x 1))) (inc1 2))")))
(deftest "define + call"
(assert-equal "10"
(render-sx "(do (define double (fn (x) (* x 2))) (double 5))")))
(deftest "higher-order: map returns list"
(let ((result (render-sx "(map (fn (x) (+ x 1)) (list 1 2 3))")))
;; map at top level returns a list, not serialized tags
(assert-true (not (nil? result))))))
;; --------------------------------------------------------------------------
;; and/or short-circuit in aser mode
;; --------------------------------------------------------------------------
(defsuite "aser-logic"
(deftest "and short-circuits on false"
(assert-equal "false"
(render-sx "(and true false true)")))
(deftest "and returns last truthy"
(assert-equal "3"
(render-sx "(and 1 2 3)")))
(deftest "or short-circuits on true"
(assert-equal "1"
(render-sx "(or 1 2 3)")))
(deftest "or returns last falsy"
(assert-equal "false"
(render-sx "(or false false)"))))