Creates _test_make_variables for java_runtime() in toolchains/java_runtime_tests.bzl

PiperOrigin-RevId: 871826344
Change-Id: I787659e6082a48e0e7a7003e1ae47bc66fd3fa83

MODULE.bazel

diff --git a/MODULE.bazel b/MODULE.bazel
index 47354f6..de8fe11 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -131,9 +131,9 @@
 bazel_dep(name = "rules_testing", dev_dependency = True)
 archive_override(
     module_name = "rules_testing",
-    integrity = "sha256-0+3pLjeZCqn+K1qS7HNr7HbwMXBjxLvJm+pMSUhDel8=",
-    strip_prefix = "rules_testing-db007bfee840cebcb6f955b80973ba866de38947",
-    urls = ["https://github.com/bazelbuild/rules_testing/archive/db007bfee840cebcb6f955b80973ba866de38947.tar.gz"],
+    integrity = "sha256-TqwTCQnzt/hRKQtdJ7d8ebtZ8+I8IMgmWiEjOKvo6mI=",
+    strip_prefix = "rules_testing-f8e869d452507fa4a59748c9d69cfab63ec9385a",
+    urls = ["https://github.com/bazelbuild/rules_testing/archive/f8e869d452507fa4a59748c9d69cfab63ec9385a.tar.gz"],
 )
 
 test_repositories = use_extension("//test:repositories.bzl", "test_repositories_ext", dev_dependency = True)

test/java/toolchains/java_runtime_tests.bzl

diff --git a/test/java/toolchains/java_runtime_tests.bzl b/test/java/toolchains/java_runtime_tests.bzl
index a32c3a9..a186514 100644
--- a/test/java/toolchains/java_runtime_tests.bzl
+++ b/test/java/toolchains/java_runtime_tests.bzl
@@ -1,7 +1,7 @@
 """Tests for the java_runtime rule"""
 
 load("@rules_testing//lib:analysis_test.bzl", "analysis_test", "test_suite")
-load("@rules_testing//lib:truth.bzl", "matching")
+load("@rules_testing//lib:truth.bzl", "matching", "subjects")
 load("@rules_testing//lib:util.bzl", "util")
 load("//java/common:java_semantics.bzl", "semantics")
 load("//java/toolchains:java_runtime.bzl", "java_runtime")
@@ -289,6 +289,27 @@
         matching.str_matches("$(WTF) not defined"),
     )
 
+def _test_make_variables(name):
+    util.helper_target(
+        java_runtime,
+        name = name + "/jvm",
+        java_home = "/foo/bar",
+    )
+
+    analysis_test(
+        name = name,
+        impl = _test_make_variables_impl,
+        target = name + "/jvm",
+    )
+
+def _test_make_variables_impl(env, target):
+    env.expect.that_target(target).provider(
+        platform_common.TemplateVariableInfo,
+    ).variables().contains_at_least({"JAVABASE": "/foo/bar"})
+    env.expect.that_target(target).provider(
+        platform_common.TemplateVariableInfo,
+    ).variables().get("JAVA", factory = subjects.str).starts_with("/foo/bar/bin/java")
+
 def java_runtime_tests(name):
     test_suite(
         name = name,
@@ -304,5 +325,6 @@
             _test_absolute_java_home,
             _test_relative_java_home,
             _test_java_home_with_invalid_make_variables,
+            _test_make_variables,
         ],
     )