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-rw-r--r--utils/stream_test.cpp157
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diff --git a/utils/stream_test.cpp b/utils/stream_test.cpp
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+// Copyright 2011 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+// may be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "utils/stream.hpp"
+
+#include <cstdlib>
+#include <sstream>
+
+#include <atf-c++.hpp>
+
+#include "utils/fs/path.hpp"
+
+namespace fs = utils::fs;
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(open_ostream__stdout);
+ATF_TEST_CASE_BODY(open_ostream__stdout)
+{
+ const pid_t pid = atf::utils::fork();
+ if (pid == 0) {
+ std::auto_ptr< std::ostream > output = utils::open_ostream(
+ fs::path("/dev/stdout"));
+ (*output) << "Message to stdout\n";
+ output.reset();
+ std::exit(EXIT_SUCCESS);
+ }
+ atf::utils::wait(pid, EXIT_SUCCESS, "Message to stdout\n", "");
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(open_ostream__stderr);
+ATF_TEST_CASE_BODY(open_ostream__stderr)
+{
+ const pid_t pid = atf::utils::fork();
+ if (pid == 0) {
+ std::auto_ptr< std::ostream > output = utils::open_ostream(
+ fs::path("/dev/stderr"));
+ (*output) << "Message to stderr\n";
+ output.reset();
+ std::exit(EXIT_SUCCESS);
+ }
+ atf::utils::wait(pid, EXIT_SUCCESS, "", "Message to stderr\n");
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(open_ostream__other);
+ATF_TEST_CASE_BODY(open_ostream__other)
+{
+ const pid_t pid = atf::utils::fork();
+ if (pid == 0) {
+ std::auto_ptr< std::ostream > output = utils::open_ostream(
+ fs::path("some-file.txt"));
+ (*output) << "Message to other file\n";
+ output.reset();
+ std::exit(EXIT_SUCCESS);
+ }
+ atf::utils::wait(pid, EXIT_SUCCESS, "", "");
+ atf::utils::compare_file("some-file.txt", "Message to other file\n");
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(stream_length__empty);
+ATF_TEST_CASE_BODY(stream_length__empty)
+{
+ std::istringstream input("");
+ ATF_REQUIRE_EQ(0, utils::stream_length(input));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(stream_length__some);
+ATF_TEST_CASE_BODY(stream_length__some)
+{
+ const std::string contents(8192, 'x');
+ std::istringstream input(contents);
+ ATF_REQUIRE_EQ(
+ contents.length(),
+ static_cast< std::string::size_type >(utils::stream_length(input)));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(read_file__ok);
+ATF_TEST_CASE_BODY(read_file__ok)
+{
+ const char* contents = "These are\nsome file contents";
+ atf::utils::create_file("input.txt", contents);
+ ATF_REQUIRE_EQ(contents, utils::read_file(fs::path("input.txt")));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(read_file__missing_file);
+ATF_TEST_CASE_BODY(read_file__missing_file)
+{
+ ATF_REQUIRE_THROW_RE(std::runtime_error,
+ "Failed to open 'foo.txt' for read",
+ utils::read_file(fs::path("foo.txt")));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(read_stream__empty);
+ATF_TEST_CASE_BODY(read_stream__empty)
+{
+ std::istringstream input("");
+ ATF_REQUIRE_EQ("", utils::read_stream(input));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(read_stream__some);
+ATF_TEST_CASE_BODY(read_stream__some)
+{
+ std::string contents;
+ for (int i = 0; i < 1000; i++)
+ contents += "abcdef";
+ std::istringstream input(contents);
+ ATF_REQUIRE_EQ(contents, utils::read_stream(input));
+}
+
+
+ATF_INIT_TEST_CASES(tcs)
+{
+ ATF_ADD_TEST_CASE(tcs, open_ostream__stdout);
+ ATF_ADD_TEST_CASE(tcs, open_ostream__stderr);
+ ATF_ADD_TEST_CASE(tcs, open_ostream__other);
+
+ ATF_ADD_TEST_CASE(tcs, stream_length__empty);
+ ATF_ADD_TEST_CASE(tcs, stream_length__some);
+
+ ATF_ADD_TEST_CASE(tcs, read_file__ok);
+ ATF_ADD_TEST_CASE(tcs, read_file__missing_file);
+
+ ATF_ADD_TEST_CASE(tcs, read_stream__empty);
+ ATF_ADD_TEST_CASE(tcs, read_stream__some);
+}