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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/process/process.h>
#include <vespa/vespalib/data/slime/slime.h>
#include <vespa/vespalib/data/slime/json_format.h>
#include <vespa/vespalib/data/simple_buffer.h>
#include <vespa/vespalib/gtest/gtest.h>
using vespalib::Input;
using vespalib::Output;
using vespalib::Process;
using vespalib::SimpleBuffer;
using vespalib::Slime;
using vespalib::slime::JsonFormat;
//-----------------------------------------------------------------------------
TEST(ProcessTest, simple_run_ignore_output) {
EXPECT_TRUE(Process::run("echo foo"));
}
TEST(ProcessTest, simple_run_ignore_output_failure) {
EXPECT_FALSE(Process::run("false"));
}
//-----------------------------------------------------------------------------
TEST(ProcessTest, simple_run) {
vespalib::string out;
EXPECT_TRUE(Process::run("/bin/echo -n foo", out));
EXPECT_EQ(out, "foo");
}
TEST(ProcessTest, simple_run_failure) {
vespalib::string out;
EXPECT_FALSE(Process::run("/bin/echo -n foo; false", out));
EXPECT_EQ(out, "foo");
}
TEST(ProcessTest, simple_run_strip_single_line_trailing_newline) {
vespalib::string out;
EXPECT_TRUE(Process::run("echo foo", out));
EXPECT_EQ(out, "foo");
}
TEST(ProcessTest, simple_run_dont_strip_multi_line_output) {
vespalib::string out;
EXPECT_TRUE(Process::run("perl -e 'print \"foo\\n\\n\"'", out));
EXPECT_EQ(out, "foo\n\n");
}
//-----------------------------------------------------------------------------
TEST(ProcessTest, proc_failure) {
Process proc("false");
EXPECT_EQ(proc.obtain().size, 0);
EXPECT_NE(proc.join(), 0);
}
TEST(ProcessTest, proc_kill) {
{
Process proc("sleep 60");
(void) proc;
}
}
//-----------------------------------------------------------------------------
vespalib::string line1 = "this is a line";
vespalib::string line2 = "this is also a line";
vespalib::string line3 = "this is last line";
TEST(ProcessTest, read_line) {
Process proc("cat");
for (const vespalib::string &line: {std::cref(line1), std::cref(line2), std::cref(line3)}) {
auto mem = proc.reserve(line.size() + 1);
memcpy(mem.data, line.data(), line.size());
mem.data[line.size()] = '\n';
proc.commit(line.size() + 1);
fprintf(stderr, "write: %s\n", line.c_str());
auto res = proc.read_line();
fprintf(stderr, "read: %s\n", line.c_str());
EXPECT_EQ(res, line);
EXPECT_FALSE(proc.eof());
}
proc.close();
EXPECT_EQ(proc.read_line(), "");
EXPECT_TRUE(proc.eof());
EXPECT_EQ(proc.join(), 0);
}
TEST(ProcessTest, read_line_without_newline) {
Process proc("cat");
const auto &line = line3;
auto mem = proc.reserve(line.size());
memcpy(mem.data, line.data(), line.size());
proc.commit(line.size());
fprintf(stderr, "write: %s\n", line.c_str());
proc.close(); // need eof to flush line
auto res = proc.read_line();
fprintf(stderr, "read: %s\n", line.c_str());
EXPECT_EQ(res, line);
EXPECT_TRUE(proc.eof());
EXPECT_EQ(proc.join(), 0);
}
//-----------------------------------------------------------------------------
void write_slime(const Slime &slime, Output &out) {
JsonFormat::encode(slime, out, true);
out.reserve(1).data[0] = '\n';
out.commit(1);
}
Slime read_slime(Input &input) {
Slime slime;
EXPECT_TRUE(JsonFormat::decode(input, slime));
return slime;
}
vespalib::string to_json(const Slime &slime) {
SimpleBuffer buf;
JsonFormat::encode(slime, buf, true);
return buf.get().make_string();
}
Slime from_json(const vespalib::string &json) {
Slime slime;
EXPECT_TRUE(JsonFormat::decode(json, slime));
return slime;
}
Slime obj1 = from_json("[1,2,3]");
Slime obj2 = from_json("{a:1,b:2,c:3}");
Slime obj3 = from_json("{a:1,b:2,c:3,d:[1,2,3]}");
TEST(ProcessTest, read_write_test) {
Process proc("cat");
for (const Slime &obj: {std::cref(obj1), std::cref(obj2), std::cref(obj3)}) {
write_slime(obj, proc);
fprintf(stderr, "write: %s\n", to_json(obj).c_str());
auto res = read_slime(proc);
fprintf(stderr, "read: %s\n", to_json(res).c_str());
EXPECT_EQ(res, obj);
}
proc.close();
EXPECT_EQ(proc.join(), 0);
}
//-----------------------------------------------------------------------------
GTEST_MAIN_RUN_ALL_TESTS()
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