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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>
246 lines
8.1 KiB
Python
246 lines
8.1 KiB
Python
"""Tests for the relation registry (Phase A)."""
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import pytest
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from shared.sx.evaluator import evaluate, EvalError
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from shared.sx.parser import parse
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from shared.sx.relations import (
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_RELATION_REGISTRY,
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clear_registry,
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get_relation,
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load_relation_registry,
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relations_from,
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relations_to,
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all_relations,
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)
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from shared.sx.types import RelationDef
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@pytest.fixture(autouse=True)
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def _clean_registry():
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"""Clear registry before each test."""
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clear_registry()
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# ---------------------------------------------------------------------------
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# defrelation parsing
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# ---------------------------------------------------------------------------
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class TestDefrelation:
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def test_basic_defrelation(self):
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tree = parse('''
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(defrelation :page->market
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:from "page"
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:to "market"
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:cardinality :one-to-many
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:inverse :market->page
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:nav :submenu
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:nav-icon "fa fa-shopping-bag"
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:nav-label "markets")
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''')
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result = evaluate(tree)
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assert isinstance(result, RelationDef)
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assert result.name == "page->market"
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assert result.from_type == "page"
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assert result.to_type == "market"
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assert result.cardinality == "one-to-many"
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assert result.inverse == "market->page"
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assert result.nav == "submenu"
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assert result.nav_icon == "fa fa-shopping-bag"
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assert result.nav_label == "markets"
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def test_defrelation_registered(self):
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tree = parse('''
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(defrelation :a->b
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:from "a" :to "b" :cardinality :one-to-one :nav :hidden)
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''')
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evaluate(tree)
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assert get_relation("a->b") is not None
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assert get_relation("a->b").cardinality == "one-to-one"
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def test_defrelation_one_to_one(self):
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tree = parse('''
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(defrelation :page->menu_node
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:from "page" :to "menu_node"
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:cardinality :one-to-one :nav :hidden)
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''')
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result = evaluate(tree)
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assert result.cardinality == "one-to-one"
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assert result.inverse is None
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assert result.nav == "hidden"
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def test_defrelation_many_to_many(self):
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tree = parse('''
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(defrelation :post->entry
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:from "post" :to "calendar_entry"
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:cardinality :many-to-many
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:inverse :entry->post
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:nav :inline
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:nav-icon "fa fa-file-alt"
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:nav-label "events")
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''')
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result = evaluate(tree)
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assert result.cardinality == "many-to-many"
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def test_default_nav_is_hidden(self):
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tree = parse('''
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(defrelation :x->y
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:from "x" :to "y" :cardinality :one-to-many)
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''')
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result = evaluate(tree)
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assert result.nav == "hidden"
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def test_invalid_cardinality_raises(self):
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tree = parse('''
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(defrelation :bad
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:from "a" :to "b" :cardinality :wrong)
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''')
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with pytest.raises(EvalError, match="invalid cardinality"):
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evaluate(tree)
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def test_invalid_nav_raises(self):
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tree = parse('''
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(defrelation :bad
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:from "a" :to "b" :cardinality :one-to-one :nav :bogus)
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''')
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with pytest.raises(EvalError, match="invalid nav"):
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evaluate(tree)
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def test_missing_from_raises(self):
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tree = parse('''
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(defrelation :bad :to "b" :cardinality :one-to-one)
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''')
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with pytest.raises(EvalError, match="missing required :from"):
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evaluate(tree)
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def test_missing_to_raises(self):
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tree = parse('''
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(defrelation :bad :from "a" :cardinality :one-to-one)
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''')
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with pytest.raises(EvalError, match="missing required :to"):
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evaluate(tree)
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def test_missing_cardinality_raises(self):
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tree = parse('''
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(defrelation :bad :from "a" :to "b")
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''')
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with pytest.raises(EvalError, match="missing required :cardinality"):
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evaluate(tree)
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def test_name_must_be_keyword(self):
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tree = parse('(defrelation "not-keyword" :from "a" :to "b" :cardinality :one-to-one)')
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with pytest.raises(EvalError, match="must be a keyword"):
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evaluate(tree)
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# ---------------------------------------------------------------------------
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# Registry queries
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# ---------------------------------------------------------------------------
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class TestRegistry:
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def _load_sample(self):
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tree = parse('''
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(begin
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(defrelation :page->market
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:from "page" :to "market" :cardinality :one-to-many
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:nav :submenu :nav-icon "fa fa-shopping-bag" :nav-label "markets")
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(defrelation :page->calendar
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:from "page" :to "calendar" :cardinality :one-to-many
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:nav :submenu :nav-icon "fa fa-calendar" :nav-label "calendars")
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(defrelation :post->entry
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:from "post" :to "calendar_entry" :cardinality :many-to-many
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:nav :inline)
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(defrelation :page->menu_node
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:from "page" :to "menu_node" :cardinality :one-to-one
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:nav :hidden))
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''')
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evaluate(tree)
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def test_get_relation(self):
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self._load_sample()
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rel = get_relation("page->market")
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assert rel is not None
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assert rel.to_type == "market"
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def test_get_relation_not_found(self):
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assert get_relation("nonexistent") is None
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def test_relations_from_page(self):
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self._load_sample()
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rels = relations_from("page")
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names = {r.name for r in rels}
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assert names == {"page->market", "page->calendar", "page->menu_node"}
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def test_relations_from_post(self):
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self._load_sample()
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rels = relations_from("post")
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assert len(rels) == 1
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assert rels[0].name == "post->entry"
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def test_relations_from_empty(self):
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self._load_sample()
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assert relations_from("nonexistent") == []
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def test_relations_to_market(self):
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self._load_sample()
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rels = relations_to("market")
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assert len(rels) == 1
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assert rels[0].name == "page->market"
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def test_relations_to_calendar_entry(self):
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self._load_sample()
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rels = relations_to("calendar_entry")
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assert len(rels) == 1
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assert rels[0].name == "post->entry"
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def test_all_relations(self):
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self._load_sample()
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assert len(all_relations()) == 4
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def test_clear_registry(self):
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self._load_sample()
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assert len(all_relations()) == 4
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clear_registry()
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assert len(all_relations()) == 0
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# ---------------------------------------------------------------------------
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# load_relation_registry() — built-in definitions
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# ---------------------------------------------------------------------------
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class TestLoadBuiltins:
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def test_loads_builtin_relations(self):
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load_relation_registry()
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assert get_relation("page->market") is not None
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assert get_relation("page->calendar") is not None
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assert get_relation("post->calendar_entry") is not None
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assert get_relation("page->menu_node") is not None
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def test_builtin_page_market(self):
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load_relation_registry()
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rel = get_relation("page->market")
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assert rel.from_type == "page"
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assert rel.to_type == "market"
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assert rel.cardinality == "one-to-many"
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assert rel.inverse == "market->page"
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assert rel.nav == "submenu"
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assert rel.nav_icon == "fa fa-shopping-bag"
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def test_builtin_post_entry(self):
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load_relation_registry()
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rel = get_relation("post->calendar_entry")
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assert rel.cardinality == "many-to-many"
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assert rel.nav == "inline"
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def test_builtin_page_menu_node(self):
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load_relation_registry()
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rel = get_relation("page->menu_node")
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assert rel.cardinality == "one-to-one"
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assert rel.nav == "hidden"
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def test_frozen_dataclass(self):
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load_relation_registry()
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rel = get_relation("page->market")
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with pytest.raises(AttributeError):
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rel.name = "changed"
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