Add test for KProduction.label (#880)

~Blocked on #860~

---------

Co-authored-by: devops <[email protected]>

Author: tothtamas28

docs/conf.py

@@ -9,8 +9,8 @@
 project = 'pyk'
 author = 'Runtime Verification, Inc'
 copyright = '2024, Runtime Verification, Inc'
-version = '0.1.628'
-release = '0.1.628'
+version = '0.1.629'
+release = '0.1.629'
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration

package/version

@@ -1 +1 @@
-0.1.628
+0.1.629

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "pyk"
-version = "0.1.628"
+version = "0.1.629"
 description = ""
 authors = [
     "Runtime Verification, Inc. <[email protected]>",

src/tests/integration/k-files/klabel.k

@@ -0,0 +1,6 @@
+module KLABEL
+    syntax Foo ::= "foo" [symbol(foo)]
+                 | "bar" [klabel(bar), symbol]
+                 | "baz" [klabel(baz)]
+                 | "qux"
+endmodule

src/tests/integration/test_kompile.py

@@ -4,12 +4,15 @@
 
 import pytest
 
+from pyk.kast import KAtt
 from pyk.ktool.kompile import KompileBackend, KompileNotFoundError, kompile
 from pyk.testing import KompiledTest
 
 from .utils import K_FILES
 
 if TYPE_CHECKING:
+    from pyk.kast.inner import KLabel
+    from pyk.kast.outer import KDefinition
     from pyk.ktool.kompile import DefinitionInfo
 
 
@@ -42,3 +45,28 @@ def test_kompile_not_found(monkeypatch: pytest.MonkeyPatch) -> None:
 
     with pytest.raises(KompileNotFoundError):
         kompile(k_file, command=[bad_kompile])
+
+
+class TestKLabel(KompiledTest):
+    KOMPILE_MAIN_FILE = K_FILES / 'klabel.k'
+
+    def test(self, definition: KDefinition) -> None:
+        # Given
+        module = definition.module('KLABEL')
+
+        def klabel_defined_at_line(line: int) -> KLabel:
+            (prod,) = (prod for prod in module.productions if prod.att.get(KAtt.LOCATION, [None])[0] == line)
+            res = prod.klabel
+            assert res is not None
+            return res
+
+        foo = klabel_defined_at_line(2)
+        bar = klabel_defined_at_line(3)
+        baz = klabel_defined_at_line(4)
+        qux = klabel_defined_at_line(5)
+
+        # Then
+        assert foo.name == 'foo'
+        assert bar.name == 'bar'
+        assert baz.name == 'baz_KLABEL_Foo'
+        assert qux.name == 'qux_KLABEL_Foo'