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+#!/usr/bin/env node
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+
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+/*
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+ * Protocol Buffers - Google's data interchange format
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+ * Copyright 2008 Google Inc. All rights reserved.
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+ * https://developers.google.com/protocol-buffers/
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions are
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+ * met:
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+ *
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+ * * Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions and the following disclaimer.
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+ * * Redistributions in binary form must reproduce the above
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+ * copyright notice, this list of conditions and the following disclaimer
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+ * in the documentation and/or other materials provided with the
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+ * distribution.
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+ * * Neither the name of Google Inc. nor the names of its
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+ * contributors may be used to endorse or promote products derived from
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+ * this software without specific prior written permission.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+ */
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+
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+var conformance = require('conformance_pb');
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+var test_messages_proto3 = require('google/protobuf/test_messages_proto3_pb');
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+var fs = require('fs');
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+
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+var testCount = 0;
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+
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+function doTest(request) {
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+ var testMessage;
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+ var response = new conformance.ConformanceResponse();
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+
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+ try {
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+ if (request.getRequestedOutputFormat() === conformance.WireFormat.JSON) {
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+ response.setSkipped("JSON not supported.");
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+ return response;
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+ }
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+
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+ switch (request.getPayloadCase()) {
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+ case conformance.ConformanceRequest.PayloadCase.PROTOBUF_PAYLOAD:
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+ try {
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+ testMessage = test_messages_proto3.TestAllTypes.deserializeBinary(
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+ request.getProtobufPayload());
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+ } catch (err) {
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+ response.setParseError(err.toString());
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+ return response;
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+ }
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+
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+ case conformance.ConformanceRequest.PayloadCase.JSON_PAYLOAD:
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+ response.setSkipped("JSON not supported.");
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+ return response;
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+
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+ case conformance.ConformanceRequest.PayloadCase.PAYLOAD_NOT_SET:
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+ response.setRuntimeError("Request didn't have payload");
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+ return response;
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+ }
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+
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+ switch (request.getRequestedOutputFormat()) {
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+ case conformance.WireFormat.UNSPECIFIED:
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+ response.setRuntimeError("Unspecified output format");
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+ return response;
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+
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+ case conformance.WireFormat.PROTOBUF:
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+ response.setProtobufPayload(testMessage.serializeBinary());
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+
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+ case conformance.WireFormat.JSON:
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+ response.setSkipped("JSON not supported.");
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+ return response;
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+
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+ default:
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+ throw "Request didn't have requested output format";
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+ }
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+ } catch (err) {
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+ response.setRuntimeError(err.toString());
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+ }
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+
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+ return response;
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+}
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+
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+function onEof(totalRead) {
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+ if (totalRead == 0) {
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+ return undefined;
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+ } else {
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+ throw "conformance_nodejs: premature EOF on stdin.";
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+ }
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+}
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+
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+// Utility function to read a buffer of N bytes.
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+function readBuffer(bytes) {
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+ var buf = new Buffer(bytes);
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+ var totalRead = 0;
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+ while (totalRead < bytes) {
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+ var read = 0;
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+ try {
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+ read = fs.readSync(process.stdin.fd, buf, totalRead, bytes - totalRead);
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+ } catch (e) {
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+ if (e.code == 'EOF') {
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+ return onEof(totalRead)
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+ } else if (e.code == 'EAGAIN') {
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+ } else {
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+ throw "conformance_nodejs: Error reading from stdin." + e;
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+ }
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+ }
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+
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+ totalRead += read;
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+ }
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+
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+ return buf;
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+}
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+
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+function writeBuffer(buffer) {
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+ var totalWritten = 0;
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+ while (totalWritten < buffer.length) {
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+ totalWritten += fs.writeSync(
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+ process.stdout.fd, buffer, totalWritten, buffer.length - totalWritten);
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+ }
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+}
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+
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+// Returns true if the test ran successfully, false on legitimate EOF.
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+// If EOF is encountered in an unexpected place, raises IOError.
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+function doTestIo() {
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+ var lengthBuf = readBuffer(4);
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+ if (!lengthBuf) {
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+ return false;
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+ }
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+
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+ var length = lengthBuf.readInt32LE(0);
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+ var serializedRequest = readBuffer(length);
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+ if (!serializedRequest) {
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+ throw "conformance_nodejs: Failed to read request.";
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+ }
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+
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+ serializedRequest = new Uint8Array(serializedRequest);
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+ var request =
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+ conformance.ConformanceRequest.deserializeBinary(serializedRequest);
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+ var response = doTest(request);
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+
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+ var serializedResponse = response.serializeBinary();
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+
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+ lengthBuf = new Buffer(4);
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+ lengthBuf.writeInt32LE(serializedResponse.length, 0);
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+ writeBuffer(lengthBuf);
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+ writeBuffer(new Buffer(serializedResponse));
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+
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+ testCount += 1
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+
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+ return true;
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+}
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+
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+while (true) {
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+ if (!doTestIo()) {
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+ console.error('conformance_nodejs: received EOF from test runner ' +
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+ "after " + testCount + " tests, exiting")
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+ break;
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+ }
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+}
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Joshua Haberman