Reproducer for issue 69

Author: andreaTP

core/src/test/java/com/styra/opa/wasm/OpaTest.java

@@ -12,10 +12,12 @@
 
 public class OpaTest {
     static Path wasmFile;
+    static Path issue69WasmFile;
 
     @BeforeAll
     public static void beforeAll() throws Exception {
         wasmFile = OpaCli.compile("base", "opa/wasm/test/allowed").resolve("policy.wasm");
+        issue69WasmFile = OpaCli.compile("issue69", "authz/allow").resolve("policy.wasm");
     }
 
     @Test
@@ -92,4 +94,16 @@ public void highLevelAPI() throws Exception {
         policy.input("{\"user\": \"alice\"}");
         Assertions.assertFalse(Utils.getResult(policy.evaluate()).asBoolean());
     }
+
+    @Test
+    public void issue69() throws Exception {
+        var policy = OpaPolicy.builder().withPolicy(issue69WasmFile).build();
+        policy.data("");
+
+        policy.input("{\"method\":\"GET\"}");
+        Assertions.assertTrue(Utils.getResult(policy.evaluate()).asBoolean());
+
+        policy.input("{\"method\":\"POST\"}");
+        Assertions.assertFalse(Utils.getResult(policy.evaluate()).asBoolean());
+    }
 }

core/src/test/resources/fixtures/issue69/policy.rego

@@ -0,0 +1,9 @@
+package authz
+
+import rego.v1
+
+default allow := false
+
+allow if {
+	input.method == "GET"
+}