Add support for textproto parser for testsuite.

PiperOrigin-RevId: 748701893

Author: CEL Dev Team

testing/src/test/resources/policy/expr_value_output/tests.textproto

@@ -1,14 +1,18 @@
-# proto-file: google3/google/api/expr/conformance/test_suite.proto
-# proto-message: google.api.expr.conformance.TestSuite
+# proto-file: google3/third_party/cel/spec/proto/cel/expr/conformance/test/suite.proto
+# proto-message: cel.expr.conformance.test.TestSuite
 
+name: "expr_value_output_tests"
 description: "Value as expected output"
-
 sections {
   name: "basic value"
+  description: "Basic value"
   tests {
     name: "basic value test"
-    value {
-      bool_value: true
+    description: "Basic value test"
+    output {
+      result_value {
+        bool_value: true
+      }
     }
   }
 }

testing/src/test/resources/policy/nested_rule/eval_error_tests.textproto

@@ -1,19 +1,20 @@
-# proto-file: google3/google/api/expr/conformance/test_suite.proto
-# proto-message: google.api.expr.conformance.TestSuite
-
+# proto-file: google3/third_party/cel/spec/proto/cel/expr/conformance/test/suite.proto
+# proto-message: cel.expr.conformance.test.TestSuite
 # This testcase is used to test the eval error output in the test runner which
 # fails because the function is declared in the compiler but not in the runtime.
 
+name: "eval_error_tests"
 description: "Nested rule conformance tests with eval errors"
-
 sections {
   name: "permitted"
+  description: "Permitted nested rule"
   tests {
     name: "valid_origin"
+    description: "Valid origin"
     input {
       key: "resource"
       value {
-        expr_value {
+        value {
           object_value {
             [type.googleapis.com/google.protobuf.Struct] {
               fields {
@@ -25,10 +26,12 @@ sections {
         }
       }
     }
-    eval_error {
-      errors {
-        message: "evaluation error: No matching overload for function 'foo'. Overload candidates: foo_id"
+    output {
+      eval_error {
+        errors {
+          message: "evaluation error: No matching overload for function 'foo'. Overload candidates: foo_id"
+        }
       }
     }
   }
-}
+}

testing/src/test/resources/policy/nested_rule/testrunner_tests.textproto

@@ -0,0 +1,79 @@
+# proto-file: google3/third_party/cel/spec/proto/cel/expr/conformance/test/suite.proto
+# proto-message: cel.expr.conformance.test.TestSuite
+
+name: "nested_rule"
+description: "Nested rule conformance tests"
+sections {
+  name: "valid"
+  description: "Valid nested rule"
+  tests {
+    name: "restricted_origin"
+    description: "Restricted origin"
+    input {
+      key: "resource"
+      value {
+        value {
+          object_value {
+            [type.googleapis.com/google.protobuf.Struct] {
+              fields {
+                key: "origin"
+                value { string_value: "ir" }
+              }
+            }
+          }
+        }
+      }
+    }
+    output {
+      result_expr: "{'banned': true}"
+    }
+  }
+  tests {
+    name: "by_default"
+    description: "By default"
+    input {
+      key: "resource"
+      value {
+        value {
+          object_value {
+            [type.googleapis.com/google.protobuf.Struct] {
+              fields {
+                key: "origin"
+                value { string_value: "'de'" }
+              }
+            }
+          }
+        }
+      }
+    }
+    output {
+      result_expr: "{'banned': true}"
+    }
+  }
+}
+
+sections {
+  name: "permitted"
+  description: "Permitted nested rule"
+  tests {
+    name: "valid_origin"
+    input {
+      key: "resource"
+      value {
+        value {
+          object_value {
+            [type.googleapis.com/google.protobuf.Struct] {
+              fields {
+                key: "origin"
+                value { string_value: "uk" }
+              }
+            }
+          }
+        }
+      }
+    }
+    output {
+      result_expr: "{'banned': false}"
+    }
+  }
+}