giles
aab1f3e966
Split monolithic test.sx into composable test specs: - test-framework.sx: deftest/defsuite macros + assertion helpers - test-eval.sx: core evaluator + primitives (81 tests) - test-parser.sx: parser + serializer + round-trips (39 tests) - test-router.sx: route matching from router.sx (18 tests) - test-render.sx: HTML adapter rendering (23 tests) Runners auto-discover specs and test whatever bootstrapped code is available. Usage: `run.js eval parser router` or just `run.js`. Legacy mode (`--legacy`) still runs monolithic test.sx. Router tests use bootstrapped functions (sx_ref.py / sx-browser.js) because the hand-written evaluator's flat-dict env model doesn't support set! mutation across lambda closure boundaries. JS: 161/161. Python: 159/161 (2 parser escape bugs found). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
223 lines
7.2 KiB
Plaintext
223 lines
7.2 KiB
Plaintext
;; ==========================================================================
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;; test-parser.sx — Tests for the SX parser and serializer
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;;
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;; Requires: test-framework.sx loaded first.
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;; Modules tested: parser.sx
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;;
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;; Platform functions required (beyond test framework):
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;; sx-parse (source) -> list of AST expressions
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;; sx-serialize (expr) -> SX source string
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;; make-symbol (name) -> Symbol value
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;; make-keyword (name) -> Keyword value
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;; symbol-name (sym) -> string
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;; keyword-name (kw) -> string
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;; ==========================================================================
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;; --------------------------------------------------------------------------
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;; Literal parsing
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;; --------------------------------------------------------------------------
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(defsuite "parser-literals"
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(deftest "parse integers"
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(assert-equal (list 42) (sx-parse "42"))
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(assert-equal (list 0) (sx-parse "0"))
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(assert-equal (list -7) (sx-parse "-7")))
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(deftest "parse floats"
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(assert-equal (list 3.14) (sx-parse "3.14"))
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(assert-equal (list -0.5) (sx-parse "-0.5")))
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(deftest "parse strings"
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(assert-equal (list "hello") (sx-parse "\"hello\""))
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(assert-equal (list "") (sx-parse "\"\"")))
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(deftest "parse escape: newline"
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(assert-equal (list "a\nb") (sx-parse "\"a\\nb\"")))
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(deftest "parse escape: tab"
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(assert-equal (list "a\tb") (sx-parse "\"a\\tb\"")))
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(deftest "parse escape: quote"
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(assert-equal (list "a\"b") (sx-parse "\"a\\\"b\"")))
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(deftest "parse booleans"
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(assert-equal (list true) (sx-parse "true"))
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(assert-equal (list false) (sx-parse "false")))
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(deftest "parse nil"
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(assert-equal (list nil) (sx-parse "nil")))
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(deftest "parse keywords"
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(let ((result (sx-parse ":hello")))
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(assert-length 1 result)
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(assert-equal "hello" (keyword-name (first result)))))
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(deftest "parse symbols"
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(let ((result (sx-parse "foo")))
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(assert-length 1 result)
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(assert-equal "foo" (symbol-name (first result))))))
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;; --------------------------------------------------------------------------
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;; Composite parsing
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;; --------------------------------------------------------------------------
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(defsuite "parser-lists"
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(deftest "parse empty list"
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(let ((result (sx-parse "()")))
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(assert-length 1 result)
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(assert-equal (list) (first result))))
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(deftest "parse list of numbers"
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(let ((result (sx-parse "(1 2 3)")))
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(assert-length 1 result)
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(assert-equal (list 1 2 3) (first result))))
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(deftest "parse nested lists"
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(let ((result (sx-parse "(1 (2 3) 4)")))
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(assert-length 1 result)
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(assert-equal (list 1 (list 2 3) 4) (first result))))
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(deftest "parse square brackets as list"
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(let ((result (sx-parse "[1 2 3]")))
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(assert-length 1 result)
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(assert-equal (list 1 2 3) (first result))))
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(deftest "parse mixed types"
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(let ((result (sx-parse "(42 \"hello\" true nil)")))
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(assert-length 1 result)
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(let ((lst (first result)))
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(assert-equal 42 (nth lst 0))
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(assert-equal "hello" (nth lst 1))
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(assert-equal true (nth lst 2))
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(assert-nil (nth lst 3))))))
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;; --------------------------------------------------------------------------
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;; Dict parsing
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;; --------------------------------------------------------------------------
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(defsuite "parser-dicts"
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(deftest "parse empty dict"
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(let ((result (sx-parse "{}")))
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(assert-length 1 result)
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(assert-type "dict" (first result))))
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(deftest "parse dict with keyword keys"
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(let ((result (sx-parse "{:a 1 :b 2}")))
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(assert-length 1 result)
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(let ((d (first result)))
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(assert-type "dict" d)
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(assert-equal 1 (get d "a"))
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(assert-equal 2 (get d "b")))))
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(deftest "parse dict with string values"
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(let ((result (sx-parse "{:name \"alice\"}")))
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(assert-length 1 result)
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(assert-equal "alice" (get (first result) "name")))))
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;; --------------------------------------------------------------------------
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;; Comments and whitespace
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;; --------------------------------------------------------------------------
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(defsuite "parser-whitespace"
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(deftest "skip line comments"
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(assert-equal (list 42) (sx-parse ";; comment\n42"))
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(assert-equal (list 1 2) (sx-parse "1 ;; middle\n2")))
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(deftest "skip whitespace"
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(assert-equal (list 42) (sx-parse " 42 "))
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(assert-equal (list 1 2) (sx-parse " 1 \n\t 2 ")))
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(deftest "parse multiple top-level expressions"
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(assert-length 3 (sx-parse "1 2 3"))
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(assert-equal (list 1 2 3) (sx-parse "1 2 3")))
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(deftest "empty input"
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(assert-equal (list) (sx-parse "")))
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(deftest "only comments"
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(assert-equal (list) (sx-parse ";; just a comment\n;; another"))))
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;; --------------------------------------------------------------------------
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;; Quote sugar
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;; --------------------------------------------------------------------------
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(defsuite "parser-quote-sugar"
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(deftest "quasiquote"
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(let ((result (sx-parse "`foo")))
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(assert-length 1 result)
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(let ((expr (first result)))
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(assert-type "list" expr)
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(assert-equal "quasiquote" (symbol-name (first expr))))))
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(deftest "unquote"
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(let ((result (sx-parse ",foo")))
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(assert-length 1 result)
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(let ((expr (first result)))
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(assert-type "list" expr)
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(assert-equal "unquote" (symbol-name (first expr))))))
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(deftest "splice-unquote"
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(let ((result (sx-parse ",@foo")))
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(assert-length 1 result)
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(let ((expr (first result)))
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(assert-type "list" expr)
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(assert-equal "splice-unquote" (symbol-name (first expr)))))))
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;; --------------------------------------------------------------------------
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;; Serializer
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;; --------------------------------------------------------------------------
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(defsuite "serializer"
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(deftest "serialize number"
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(assert-equal "42" (sx-serialize 42)))
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(deftest "serialize string"
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(assert-equal "\"hello\"" (sx-serialize "hello")))
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(deftest "serialize boolean"
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(assert-equal "true" (sx-serialize true))
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(assert-equal "false" (sx-serialize false)))
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(deftest "serialize nil"
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(assert-equal "nil" (sx-serialize nil)))
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(deftest "serialize keyword"
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(assert-equal ":foo" (sx-serialize (make-keyword "foo"))))
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(deftest "serialize symbol"
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(assert-equal "bar" (sx-serialize (make-symbol "bar"))))
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(deftest "serialize list"
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(assert-equal "(1 2 3)" (sx-serialize (list 1 2 3))))
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(deftest "serialize empty list"
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(assert-equal "()" (sx-serialize (list))))
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(deftest "serialize nested"
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(assert-equal "(1 (2 3) 4)" (sx-serialize (list 1 (list 2 3) 4)))))
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;; --------------------------------------------------------------------------
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;; Round-trip: parse then serialize
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;; --------------------------------------------------------------------------
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(defsuite "parser-roundtrip"
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(deftest "roundtrip number"
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(assert-equal "42" (sx-serialize (first (sx-parse "42")))))
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(deftest "roundtrip string"
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(assert-equal "\"hello\"" (sx-serialize (first (sx-parse "\"hello\"")))))
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(deftest "roundtrip list"
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(assert-equal "(1 2 3)" (sx-serialize (first (sx-parse "(1 2 3)")))))
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(deftest "roundtrip nested"
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(assert-equal "(a (b c))"
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(sx-serialize (first (sx-parse "(a (b c))"))))))
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