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Three-layer architecture:
spec/ — Core language (19 files): evaluator, parser, primitives,
CEK machine, types, continuations. Host-independent.
web/ — Web framework (20 files): signals, adapters, engine,
orchestration, boot, router, CSSX. Built on core spec.
sx/ — Application (sx-docs website). Built on web framework.
Split boundary.sx into boundary-core.sx (type-of, make-env, identical?)
and boundary-web.sx (IO primitives, signals, spreads, page helpers).
Bootstrappers search spec/ → web/ → shared/sx/ref/ for .sx files.
Original files remain in shared/sx/ref/ as fallback during transition.
All 63 tests pass.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
347 lines
13 KiB
Plaintext
347 lines
13 KiB
Plaintext
;; ==========================================================================
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;; test-aser.sx — Tests for the SX wire format (aser) adapter
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;;
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;; Requires: test-framework.sx loaded first.
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;; Modules tested: adapter-sx.sx (aser, aser-call, aser-fragment, aser-special)
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;;
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;; Platform functions required (beyond test framework):
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;; render-sx (sx-source) -> SX wire format string
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;; Parses the sx-source string, evaluates via aser in a
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;; fresh env, and returns the resulting SX wire format string.
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;; ==========================================================================
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;; --------------------------------------------------------------------------
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;; Basic serialization
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;; --------------------------------------------------------------------------
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(defsuite "aser-basics"
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(deftest "number literal passes through"
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(assert-equal "42"
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(render-sx "42")))
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(deftest "string literal passes through"
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;; aser returns the raw string value; render-sx concatenates it directly
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(assert-equal "hello"
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(render-sx "\"hello\"")))
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(deftest "boolean true passes through"
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(assert-equal "true"
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(render-sx "true")))
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(deftest "boolean false passes through"
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(assert-equal "false"
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(render-sx "false")))
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(deftest "nil produces empty"
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(assert-equal ""
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(render-sx "nil"))))
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;; --------------------------------------------------------------------------
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;; HTML tag serialization
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;; --------------------------------------------------------------------------
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(defsuite "aser-tags"
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(deftest "simple div"
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(assert-equal "(div \"hello\")"
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(render-sx "(div \"hello\")")))
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(deftest "nested tags"
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(assert-equal "(div (span \"hi\"))"
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(render-sx "(div (span \"hi\"))")))
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(deftest "multiple children"
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(assert-equal "(div (p \"a\") (p \"b\"))"
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(render-sx "(div (p \"a\") (p \"b\"))")))
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(deftest "attributes serialize"
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(assert-equal "(div :class \"foo\" \"bar\")"
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(render-sx "(div :class \"foo\" \"bar\")")))
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(deftest "multiple attributes"
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(assert-equal "(a :href \"/home\" :class \"link\" \"Home\")"
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(render-sx "(a :href \"/home\" :class \"link\" \"Home\")")))
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(deftest "void elements"
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(assert-equal "(br)"
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(render-sx "(br)")))
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(deftest "void element with attrs"
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(assert-equal "(img :src \"pic.jpg\")"
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(render-sx "(img :src \"pic.jpg\")"))))
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;; --------------------------------------------------------------------------
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;; Fragment serialization
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;; --------------------------------------------------------------------------
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(defsuite "aser-fragments"
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(deftest "simple fragment"
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(assert-equal "(<> (p \"a\") (p \"b\"))"
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(render-sx "(<> (p \"a\") (p \"b\"))")))
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(deftest "empty fragment"
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(assert-equal ""
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(render-sx "(<>)")))
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(deftest "single-child fragment"
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(assert-equal "(<> (div \"x\"))"
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(render-sx "(<> (div \"x\"))"))))
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;; --------------------------------------------------------------------------
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;; Control flow in aser mode
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;; --------------------------------------------------------------------------
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(defsuite "aser-control-flow"
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(deftest "if true branch"
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(assert-equal "(p \"yes\")"
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(render-sx "(if true (p \"yes\") (p \"no\"))")))
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(deftest "if false branch"
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(assert-equal "(p \"no\")"
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(render-sx "(if false (p \"yes\") (p \"no\"))")))
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(deftest "when true"
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(assert-equal "(p \"ok\")"
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(render-sx "(when true (p \"ok\"))")))
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(deftest "when false"
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(assert-equal ""
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(render-sx "(when false (p \"ok\"))")))
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(deftest "cond serializes matching branch"
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(assert-equal "(p \"two\")"
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(render-sx "(cond false (p \"one\") true (p \"two\") :else (p \"three\"))")))
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(deftest "cond with 2-element predicate test"
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;; Regression: cond misclassifies (nil? x) as scheme-style clause.
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(assert-equal "(p \"yes\")"
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(render-sx "(cond (nil? nil) (p \"yes\") :else (p \"no\"))"))
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(assert-equal "(p \"no\")"
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(render-sx "(cond (nil? \"x\") (p \"yes\") :else (p \"no\"))")))
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(deftest "let binds then serializes"
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(assert-equal "(p \"hello\")"
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(render-sx "(let ((x \"hello\")) (p x))")))
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(deftest "let preserves outer scope bindings"
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;; Regression: process-bindings must preserve parent env scope chain.
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;; Using merge() instead of env-extend loses parent scope items.
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(assert-equal "(p \"outer\")"
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(render-sx "(do (define theme \"outer\") (let ((x 1)) (p theme)))")))
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(deftest "nested let preserves outer scope"
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(assert-equal "(div (span \"hello\") (span \"world\"))"
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(render-sx "(do (define a \"hello\")
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(define b \"world\")
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(div (let ((x 1)) (span a))
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(let ((y 2)) (span b))))")))
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(deftest "begin serializes last"
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(assert-equal "(p \"last\")"
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(render-sx "(begin (p \"first\") (p \"last\"))"))))
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;; --------------------------------------------------------------------------
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;; THE BUG — map/filter list flattening in children (critical regression)
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;; --------------------------------------------------------------------------
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(defsuite "aser-list-flattening"
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(deftest "map inside tag flattens children"
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(assert-equal "(div (span \"a\") (span \"b\") (span \"c\"))"
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(render-sx "(do (define items (list \"a\" \"b\" \"c\"))
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(div (map (fn (x) (span x)) items)))")))
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(deftest "map inside tag with other children"
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(assert-equal "(ul (li \"first\") (li \"a\") (li \"b\"))"
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(render-sx "(do (define items (list \"a\" \"b\"))
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(ul (li \"first\") (map (fn (x) (li x)) items)))")))
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(deftest "filter result via let binding as children"
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;; Note: (filter ...) is treated as an SVG tag in aser dispatch (SVG has <filter>),
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;; so we evaluate filter via let binding + map to serialize children
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(assert-equal "(ul (li \"a\") (li \"b\"))"
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(render-sx "(do (define items (list \"a\" nil \"b\"))
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(define kept (filter (fn (x) (not (nil? x))) items))
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(ul (map (fn (x) (li x)) kept)))")))
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(deftest "map inside fragment flattens"
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(assert-equal "(<> (p \"a\") (p \"b\"))"
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(render-sx "(do (define items (list \"a\" \"b\"))
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(<> (map (fn (x) (p x)) items)))")))
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(deftest "nested map does not double-wrap"
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(assert-equal "(div (span \"1\") (span \"2\"))"
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(render-sx "(do (define nums (list 1 2))
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(div (map (fn (n) (span (str n))) nums)))")))
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(deftest "map with component-like output flattens"
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(assert-equal "(div (li \"x\") (li \"y\"))"
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(render-sx "(do (define items (list \"x\" \"y\"))
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(div (map (fn (x) (li x)) items)))"))))
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;; --------------------------------------------------------------------------
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;; Component serialization (NOT expanded in basic aser mode)
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;; --------------------------------------------------------------------------
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(defsuite "aser-components"
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(deftest "unknown component serializes as-is"
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(assert-equal "(~foo :title \"bar\")"
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(render-sx "(~foo :title \"bar\")")))
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(deftest "defcomp then unexpanded component call"
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(assert-equal "(~card :title \"Hi\")"
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(render-sx "(do (defcomp ~card (&key title) (h1 title)) (~card :title \"Hi\"))")))
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(deftest "component with children serializes unexpanded"
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(assert-equal "(~box (p \"inside\"))"
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(render-sx "(do (defcomp ~box (&key &rest children) (div children))
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(~box (p \"inside\")))"))))
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;; --------------------------------------------------------------------------
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;; Definition forms in aser mode
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;; --------------------------------------------------------------------------
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(defsuite "aser-definitions"
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(deftest "define evaluates for side effects, returns nil"
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(assert-equal "(p 42)"
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(render-sx "(do (define x 42) (p x))")))
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(deftest "defcomp evaluates and returns nil"
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(assert-equal "(~tag :x 1)"
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(render-sx "(do (defcomp ~tag (&key x) (span x)) (~tag :x 1))")))
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(deftest "defisland evaluates AND serializes"
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(let ((result (render-sx "(defisland ~counter (&key count) (span count))")))
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(assert-true (string-contains? result "defisland")))))
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;; --------------------------------------------------------------------------
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;; Function calls in aser mode
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;; --------------------------------------------------------------------------
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(defsuite "aser-function-calls"
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(deftest "named function call evaluates fully"
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(assert-equal "3"
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(render-sx "(do (define inc1 (fn (x) (+ x 1))) (inc1 2))")))
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(deftest "define + call"
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(assert-equal "10"
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(render-sx "(do (define double (fn (x) (* x 2))) (double 5))")))
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(deftest "native callable with multiple args"
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;; Regression: async-aser-eval-call passed evaled-args list to
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;; async-invoke (&rest), wrapping it in another list. apply(f, [list])
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;; calls f(list) instead of f(*list).
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(assert-equal "3"
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(render-sx "(do (define my-add +) (my-add 1 2))")))
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(deftest "native callable with two args via alias"
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(assert-equal "hello world"
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(render-sx "(do (define my-join str) (my-join \"hello\" \" world\"))")))
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(deftest "higher-order: map returns list"
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(let ((result (render-sx "(map (fn (x) (+ x 1)) (list 1 2 3))")))
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;; map at top level returns a list, not serialized tags
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(assert-true (not (nil? result))))))
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;; --------------------------------------------------------------------------
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;; and/or short-circuit in aser mode
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;; --------------------------------------------------------------------------
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(defsuite "aser-logic"
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(deftest "and short-circuits on false"
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(assert-equal "false"
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(render-sx "(and true false true)")))
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(deftest "and returns last truthy"
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(assert-equal "3"
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(render-sx "(and 1 2 3)")))
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(deftest "or short-circuits on true"
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(assert-equal "1"
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(render-sx "(or 1 2 3)")))
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(deftest "or returns last falsy"
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(assert-equal "false"
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(render-sx "(or false false)"))))
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;; --------------------------------------------------------------------------
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;; Spread serialization
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;; --------------------------------------------------------------------------
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(defsuite "aser-spreads"
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(deftest "spread in element merges attrs"
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(assert-equal "(div :class \"card\" \"hello\")"
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(render-sx "(div (make-spread {:class \"card\"}) \"hello\")")))
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(deftest "multiple spreads merge into element"
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(assert-equal "(div :class \"card\" :style \"color:red\" \"hello\")"
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(render-sx "(div (make-spread {:class \"card\"}) (make-spread {:style \"color:red\"}) \"hello\")")))
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(deftest "spread in fragment is silently dropped"
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(assert-equal "(<> \"hello\")"
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(render-sx "(<> (make-spread {:class \"card\"}) \"hello\")")))
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(deftest "stored spread in let binding"
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(assert-equal "(div :class \"card\" \"hello\")"
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(render-sx "(let ((card (make-spread {:class \"card\"})))
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(div card \"hello\"))")))
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(deftest "spread in nested element"
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(assert-equal "(div (span :class \"inner\" \"hi\"))"
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(render-sx "(div (span (make-spread {:class \"inner\"}) \"hi\"))")))
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(deftest "spread in non-element context silently drops"
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(assert-equal "hello"
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(render-sx "(do (make-spread {:class \"card\"}) \"hello\")"))))
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;; --------------------------------------------------------------------------
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;; Scope tests — unified scope primitive
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;; --------------------------------------------------------------------------
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(defsuite "scope"
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(deftest "scope with value and context"
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(assert-equal "dark"
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(render-sx "(scope \"sc-theme\" :value \"dark\" (context \"sc-theme\"))")))
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(deftest "scope without value defaults to nil"
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(assert-equal ""
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(render-sx "(scope \"sc-nil\" (str (context \"sc-nil\")))")))
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(deftest "scope with emit!/emitted"
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(assert-equal "a,b"
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(render-sx "(scope \"sc-emit\" (emit! \"sc-emit\" \"a\") (emit! \"sc-emit\" \"b\") (join \",\" (emitted \"sc-emit\")))")))
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(deftest "provide is equivalent to scope with value"
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(assert-equal "42"
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(render-sx "(provide \"sc-prov\" 42 (str (context \"sc-prov\")))")))
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(deftest "collect! works via scope (lazy root scope)"
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(assert-equal "x,y"
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(render-sx "(do (collect! \"sc-coll\" \"x\") (collect! \"sc-coll\" \"y\") (join \",\" (collected \"sc-coll\")))")))
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(deftest "collect! deduplicates"
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(assert-equal "a"
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(render-sx "(do (collect! \"sc-dedup\" \"a\") (collect! \"sc-dedup\" \"a\") (join \",\" (collected \"sc-dedup\")))")))
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(deftest "clear-collected! clears scope accumulator"
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(assert-equal ""
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(render-sx "(do (collect! \"sc-clear\" \"x\") (clear-collected! \"sc-clear\") (join \",\" (collected \"sc-clear\")))")))
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(deftest "nested scope shadows outer"
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(assert-equal "inner"
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(render-sx "(scope \"sc-nest\" :value \"outer\" (scope \"sc-nest\" :value \"inner\" (context \"sc-nest\")))")))
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(deftest "scope pops correctly after body"
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(assert-equal "outer"
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(render-sx "(scope \"sc-pop\" :value \"outer\" (scope \"sc-pop\" :value \"inner\" \"ignore\") (context \"sc-pop\"))"))))
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