Rebrand sexp → sx across web platform (173 files)

Rename all sexp directories, files, identifiers, and references to sx.
artdag/ excluded (separate media processing DSL).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

shared/sx/tests/test_jinja_bridge.py

@@ -0,0 +1,201 @@
+"""Tests for the Jinja ↔ s-expression bridge."""
+
+import asyncio
+
+from shared.sx.jinja_bridge import (
+    sx,
+    sx_async,
+    register_components,
+    get_component_env,
+    _COMPONENT_ENV,
+)
+
+
+# ---------------------------------------------------------------------------
+# Helpers
+# ---------------------------------------------------------------------------
+
+def run(coro):
+    return asyncio.run(coro)
+
+
+def setup_function():
+    """Clear component env before each test."""
+    _COMPONENT_ENV.clear()
+
+
+# ---------------------------------------------------------------------------
+# sx() — synchronous rendering
+# ---------------------------------------------------------------------------
+
+class TestSx:
+    def test_simple_html(self):
+        assert sx('(div "Hello")') == "<div>Hello</div>"
+
+    def test_with_kwargs(self):
+        html = sx('(p name)', name="Alice")
+        assert html == "<p>Alice</p>"
+
+    def test_multiple_kwargs(self):
+        html = sx('(a :href url title)', url="/about", title="About")
+        assert html == '<a href="/about">About</a>'
+
+    def test_escaping(self):
+        html = sx('(p text)', text="<script>alert(1)</script>")
+        assert "&lt;script&gt;" in html
+        assert "<script>" not in html
+
+    def test_nested(self):
+        html = sx('(div :class "card" (h1 title))', title="Hi")
+        assert html == '<div class="card"><h1>Hi</h1></div>'
+
+
+# ---------------------------------------------------------------------------
+# register_components() + sx()
+# ---------------------------------------------------------------------------
+
+class TestComponents:
+    def test_register_and_use(self):
+        register_components('''
+            (defcomp ~badge (&key label)
+              (span :class "badge" label))
+        ''')
+        html = sx('(~badge :label "New")')
+        assert html == '<span class="badge">New</span>'
+
+    def test_multiple_components(self):
+        register_components('''
+            (defcomp ~tag (&key text)
+              (span :class "tag" text))
+            (defcomp ~pill (&key text)
+              (span :class "pill" text))
+        ''')
+        assert '<span class="tag">A</span>' == sx('(~tag :text "A")')
+        assert '<span class="pill">B</span>' == sx('(~pill :text "B")')
+
+    def test_component_with_children(self):
+        register_components('''
+            (defcomp ~box (&key title &rest children)
+              (div :class "box" (h2 title) children))
+        ''')
+        html = sx('(~box :title "Box" (p "Content"))')
+        assert '<div class="box">' in html
+        assert "<h2>Box</h2>" in html
+        assert "<p>Content</p>" in html
+
+    def test_component_with_kwargs_override(self):
+        """Kwargs passed to sx() are available alongside components."""
+        register_components('''
+            (defcomp ~greeting (&key name)
+              (p (str "Hello " name)))
+        ''')
+        html = sx('(~greeting :name user)', user="Bob")
+        assert html == "<p>Hello Bob</p>"
+
+    def test_component_env_persists(self):
+        """Components registered once are available in subsequent calls."""
+        register_components('(defcomp ~x (&key v) (b v))')
+        assert sx('(~x :v "1")') == "<b>1</b>"
+        assert sx('(~x :v "2")') == "<b>2</b>"
+
+    def test_get_component_env(self):
+        register_components('(defcomp ~foo (&key x) (span x))')
+        env = get_component_env()
+        assert "~foo" in env
+
+
+# ---------------------------------------------------------------------------
+# Link card example — the first migration target
+# ---------------------------------------------------------------------------
+
+class TestLinkCard:
+    def setup_method(self):
+        _COMPONENT_ENV.clear()
+        register_components('''
+            (defcomp ~link-card (&key link title image icon brand)
+              (a :href link
+                 :class "block rounded border border-stone-200 bg-white hover:bg-stone-50 transition-colors no-underline"
+                (div :class "flex flex-row items-start gap-3 p-3"
+                  (if image
+                    (img :src image :alt "" :class "flex-shrink-0 w-16 h-16 rounded object-cover")
+                    (div :class "flex-shrink-0 w-16 h-16 rounded bg-stone-100 flex items-center justify-center text-stone-400"
+                      (i :class icon)))
+                  (div :class "flex-1 min-w-0"
+                    (div :class "font-medium text-stone-900 text-sm clamp-2" title)
+                    (when brand
+                      (div :class "text-xs text-stone-500 mt-0.5" brand))))))
+        ''')
+
+    def test_with_image(self):
+        html = sx('''
+            (~link-card
+              :link "/products/apple/"
+              :title "Apple"
+              :image "/img/apple.jpg"
+              :icon "fas fa-shopping-bag")
+        ''')
+        assert 'href="/products/apple/"' in html
+        assert '<img src="/img/apple.jpg"' in html
+        assert "Apple" in html
+
+    def test_without_image(self):
+        html = sx('''
+            (~link-card
+              :link "/posts/hello/"
+              :title "Hello World"
+              :icon "fas fa-file-alt")
+        ''')
+        assert 'href="/posts/hello/"' in html
+        assert "<img" not in html
+        assert "fas fa-file-alt" in html
+        assert "Hello World" in html
+
+    def test_with_brand(self):
+        html = sx('''
+            (~link-card
+              :link "/p/x/"
+              :title "Widget"
+              :image "/img/w.jpg"
+              :brand "Acme Corp")
+        ''')
+        assert "Acme Corp" in html
+
+    def test_without_brand(self):
+        html = sx('''
+            (~link-card
+              :link "/p/x/"
+              :title "Widget"
+              :image "/img/w.jpg")
+        ''')
+        # brand div should not appear
+        assert "mt-0.5" not in html
+
+    def test_kwargs_from_python(self):
+        """Pass data from Python (like a route handler would)."""
+        html = sx(
+            '(~link-card :link link :title title :image image :icon "fas fa-box")',
+            link="/products/banana/",
+            title="Banana",
+            image="/img/banana.jpg",
+        )
+        assert 'href="/products/banana/"' in html
+        assert "Banana" in html
+
+
+# ---------------------------------------------------------------------------
+# sx_async() — async rendering (no real I/O, just passthrough)
+# ---------------------------------------------------------------------------
+
+class TestSxAsync:
+    def test_simple(self):
+        html = run(sx_async('(div "Async")'))
+        assert html == "<div>Async</div>"
+
+    def test_with_kwargs(self):
+        html = run(sx_async('(p name)', name="Alice"))
+        assert html == "<p>Alice</p>"
+
+    def test_with_component(self):
+        register_components('(defcomp ~x (&key v) (b v))')
+        html = run(sx_async('(~x :v "OK")'))
+        assert html == "<b>OK</b>"