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Diffstat (limited to 'test/core/json/json_rewrite_test.cc')
-rw-r--r--test/core/json/json_rewrite_test.cc294
1 files changed, 294 insertions, 0 deletions
diff --git a/test/core/json/json_rewrite_test.cc b/test/core/json/json_rewrite_test.cc
new file mode 100644
index 0000000000..47b4f01e8b
--- /dev/null
+++ b/test/core/json/json_rewrite_test.cc
@@ -0,0 +1,294 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/useful.h>
+#include "test/core/util/test_config.h"
+
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
+
+typedef struct json_writer_userdata {
+ FILE* cmp;
+} json_writer_userdata;
+
+typedef struct stacked_container {
+ grpc_json_type type;
+ struct stacked_container* next;
+} stacked_container;
+
+typedef struct json_reader_userdata {
+ FILE* in;
+ grpc_json_writer* writer;
+ char* scratchpad;
+ char* ptr;
+ size_t free_space;
+ size_t allocated;
+ size_t string_len;
+ stacked_container* top;
+ int did_eagain;
+} json_reader_userdata;
+
+static void json_writer_output_char(void* userdata, char c) {
+ json_writer_userdata* state = static_cast<json_writer_userdata*>(userdata);
+ int cmp = fgetc(state->cmp);
+
+ /* treat CRLF as LF */
+ if (cmp == '\r' && c == '\n') {
+ cmp = fgetc(state->cmp);
+ }
+ GPR_ASSERT(cmp == c);
+}
+
+static void json_writer_output_string(void* userdata, const char* str) {
+ while (*str) {
+ json_writer_output_char(userdata, *str++);
+ }
+}
+
+static void json_writer_output_string_with_len(void* userdata, const char* str,
+ size_t len) {
+ size_t i;
+ for (i = 0; i < len; i++) {
+ json_writer_output_char(userdata, str[i]);
+ }
+}
+
+grpc_json_writer_vtable writer_vtable = {json_writer_output_char,
+ json_writer_output_string,
+ json_writer_output_string_with_len};
+
+static void check_string(json_reader_userdata* state, size_t needed) {
+ if (state->free_space >= needed) return;
+ needed -= state->free_space;
+ needed = (needed + 0xffu) & ~0xffu;
+ state->scratchpad = static_cast<char*>(
+ gpr_realloc(state->scratchpad, state->allocated + needed));
+ state->free_space += needed;
+ state->allocated += needed;
+}
+
+static void json_reader_string_clear(void* userdata) {
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+ state->free_space = state->allocated;
+ state->string_len = 0;
+}
+
+static void json_reader_string_add_char(void* userdata, uint32_t c) {
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+ check_string(state, 1);
+ GPR_ASSERT(c <= 256);
+ state->scratchpad[state->string_len++] = (char)c;
+}
+
+static void json_reader_string_add_utf32(void* userdata, uint32_t c) {
+ if (c <= 0x7f) {
+ json_reader_string_add_char(userdata, c);
+ } else if (c <= 0x7ffu) {
+ uint32_t b1 = 0xc0u | ((c >> 6u) & 0x1fu);
+ uint32_t b2 = 0x80u | (c & 0x3fu);
+ json_reader_string_add_char(userdata, b1);
+ json_reader_string_add_char(userdata, b2);
+ } else if (c <= 0xffffu) {
+ uint32_t b1 = 0xe0u | ((c >> 12u) & 0x0fu);
+ uint32_t b2 = 0x80u | ((c >> 6u) & 0x3fu);
+ uint32_t b3 = 0x80u | (c & 0x3fu);
+ json_reader_string_add_char(userdata, b1);
+ json_reader_string_add_char(userdata, b2);
+ json_reader_string_add_char(userdata, b3);
+ } else if (c <= 0x1fffffu) {
+ uint32_t b1 = 0xf0u | ((c >> 18u) & 0x07u);
+ uint32_t b2 = 0x80u | ((c >> 12u) & 0x3fu);
+ uint32_t b3 = 0x80u | ((c >> 6u) & 0x3fu);
+ uint32_t b4 = 0x80u | (c & 0x3fu);
+ json_reader_string_add_char(userdata, b1);
+ json_reader_string_add_char(userdata, b2);
+ json_reader_string_add_char(userdata, b3);
+ json_reader_string_add_char(userdata, b4);
+ }
+}
+
+static uint32_t json_reader_read_char(void* userdata) {
+ int r;
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+
+ if (!state->did_eagain) {
+ state->did_eagain = 1;
+ return GRPC_JSON_READ_CHAR_EAGAIN;
+ }
+
+ state->did_eagain = 0;
+
+ r = fgetc(state->in);
+ if (r == EOF) r = GRPC_JSON_READ_CHAR_EOF;
+ return (uint32_t)r;
+}
+
+static void json_reader_container_begins(void* userdata, grpc_json_type type) {
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+ stacked_container* container =
+ static_cast<stacked_container*>(gpr_malloc(sizeof(stacked_container)));
+
+ container->type = type;
+ container->next = state->top;
+ state->top = container;
+
+ grpc_json_writer_container_begins(state->writer, type);
+}
+
+static grpc_json_type json_reader_container_ends(void* userdata) {
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+ stacked_container* container = state->top;
+
+ grpc_json_writer_container_ends(state->writer, container->type);
+ state->top = container->next;
+ gpr_free(container);
+ return state->top ? state->top->type : GRPC_JSON_TOP_LEVEL;
+}
+
+static void json_reader_set_key(void* userdata) {
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+ json_reader_string_add_char(userdata, 0);
+
+ grpc_json_writer_object_key(state->writer, state->scratchpad);
+}
+
+static void json_reader_set_string(void* userdata) {
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+ json_reader_string_add_char(userdata, 0);
+
+ grpc_json_writer_value_string(state->writer, state->scratchpad);
+}
+
+static int json_reader_set_number(void* userdata) {
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+
+ grpc_json_writer_value_raw_with_len(state->writer, state->scratchpad,
+ state->string_len);
+
+ return 1;
+}
+
+static void json_reader_set_true(void* userdata) {
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+
+ grpc_json_writer_value_raw_with_len(state->writer, "true", 4);
+}
+
+static void json_reader_set_false(void* userdata) {
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+
+ grpc_json_writer_value_raw_with_len(state->writer, "false", 5);
+}
+
+static void json_reader_set_null(void* userdata) {
+ json_reader_userdata* state = static_cast<json_reader_userdata*>(userdata);
+
+ grpc_json_writer_value_raw_with_len(state->writer, "null", 4);
+}
+
+static grpc_json_reader_vtable reader_vtable = {
+ json_reader_string_clear, json_reader_string_add_char,
+ json_reader_string_add_utf32, json_reader_read_char,
+ json_reader_container_begins, json_reader_container_ends,
+ json_reader_set_key, json_reader_set_string,
+ json_reader_set_number, json_reader_set_true,
+ json_reader_set_false, json_reader_set_null};
+
+int rewrite_and_compare(FILE* in, FILE* cmp, int indent) {
+ grpc_json_writer writer;
+ grpc_json_reader reader;
+ grpc_json_reader_status status;
+ json_writer_userdata writer_user;
+ json_reader_userdata reader_user;
+
+ GPR_ASSERT(in);
+ GPR_ASSERT(cmp);
+
+ reader_user.writer = &writer;
+ reader_user.in = in;
+ reader_user.top = NULL;
+ reader_user.scratchpad = NULL;
+ reader_user.string_len = 0;
+ reader_user.free_space = 0;
+ reader_user.allocated = 0;
+ reader_user.did_eagain = 0;
+
+ writer_user.cmp = cmp;
+
+ grpc_json_writer_init(&writer, indent, &writer_vtable, &writer_user);
+ grpc_json_reader_init(&reader, &reader_vtable, &reader_user);
+
+ do {
+ status = grpc_json_reader_run(&reader);
+ } while (status == GRPC_JSON_EAGAIN);
+
+ free(reader_user.scratchpad);
+ while (reader_user.top) {
+ stacked_container* container = reader_user.top;
+ reader_user.top = container->next;
+ free(container);
+ }
+
+ return status == GRPC_JSON_DONE;
+}
+
+typedef struct test_file {
+ const char* input;
+ const char* cmp;
+ int indent;
+} test_file;
+
+static test_file test_files[] = {
+ {"test/core/json/rewrite_test_input.json",
+ "test/core/json/rewrite_test_output_condensed.json", 0},
+ {"test/core/json/rewrite_test_input.json",
+ "test/core/json/rewrite_test_output_indented.json", 2},
+ {"test/core/json/rewrite_test_output_indented.json",
+ "test/core/json/rewrite_test_output_condensed.json", 0},
+ {"test/core/json/rewrite_test_output_condensed.json",
+ "test/core/json/rewrite_test_output_indented.json", 2},
+};
+
+void test_rewrites() {
+ unsigned i;
+
+ for (i = 0; i < GPR_ARRAY_SIZE(test_files); i++) {
+ test_file* test = test_files + i;
+ FILE* input = fopen(test->input, "rb");
+ FILE* cmp = fopen(test->cmp, "rb");
+ int status;
+ gpr_log(GPR_INFO, "Testing file %s against %s using indent=%i", test->input,
+ test->cmp, test->indent);
+ status = rewrite_and_compare(input, cmp, test->indent);
+ GPR_ASSERT(status);
+ fclose(input);
+ fclose(cmp);
+ }
+}
+
+int main(int argc, char** argv) {
+ grpc_test_init(argc, argv);
+ test_rewrites();
+ gpr_log(GPR_INFO, "json_rewrite_test success");
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-20 17:48:55 +0000