test for invoking with unknown argument

[blank.git] / tst / integration / TestInstance.cpp

diff --git a/tst/integration/TestInstance.cpp b/tst/integration/TestInstance.cpp
new file mode 100644 (file)
index 0000000..f9bc727
--- /dev/null
+++ b/tst/integration/TestInstance.cpp
@@ -0,0 +1,147 @@
+#include "TestInstance.hpp"
+
+#include <cppunit/extensions/HelperMacros.h>
+
+using namespace std;
+
+
+namespace blank {
+namespace test {
+
+namespace {
+
+Process::Arguments combine_args(const TempDir &dir, const Process::Arguments &in, bool cmd) {
+       Process::Arguments out;
+       out.reserve(in.size() + (cmd ? 5 : 3));
+       out.emplace_back("blank");
+       out.insert(out.end(), in.begin(), in.end());
+       out.emplace_back("--save-path");
+       out.emplace_back(dir.Path());
+       if (cmd) {
+               out.emplace_back("--cmd-port");
+               out.emplace_back("12354");
+       }
+       return out;
+}
+
+}
+
+TestInstance::TestInstance(const Process::Arguments &args, bool cmd)
+: dir()
+, proc(
+       "./blank" BLANK_SUFFIX,
+       combine_args(dir, args, cmd),
+       { })
+, conn()
+, out_buf()
+, err_buf()
+, cmd_buf() {
+       if (cmd) {
+               // wait for command service startup
+               // TODO: timeouts for reading from process
+               WaitOutputLine("listening on TCP port 12354");
+               // connect to command service
+               conn = tcp::Socket("localhost", 12354);
+       }
+}
+
+TestInstance::~TestInstance() {
+       proc.Terminate();
+}
+
+
+void TestInstance::WriteInput(const string &data) {
+       const char *i = data.c_str();
+       const char *end = i + data.length();
+       while (i != end) {
+               size_t len = proc.WriteIn(i, end - i);
+               i += len;
+       }
+}
+
+void TestInstance::ReadOutputLine(string &line) {
+       while (!out_buf.Extract(line)) {
+               // buffer exhausted, fetch more data
+               out_buf.Update(proc.ReadOut(out_buf.WriteHead(), out_buf.Remain()));
+       }
+}
+
+void TestInstance::AssertOutputLine(const string &expected) {
+       string line;
+       ReadOutputLine(line);
+       CPPUNIT_ASSERT_EQUAL_MESSAGE(
+               "unexpected line in stdout",
+               expected, line);
+}
+
+void TestInstance::WaitOutputLine(const string &expected) {
+       string line;
+       while (true) {
+               ReadOutputLine(line);
+               if (line == expected) {
+                       return;
+               }
+       }
+}
+
+void TestInstance::ReadErrorLine(string &line) {
+       while (!err_buf.Extract(line)) {
+               // buffer exhausted, fetch more data
+               err_buf.Update(proc.ReadErr(err_buf.WriteHead(), err_buf.Remain()));
+       }
+}
+
+void TestInstance::AssertErrorLine(const string &expected) {
+       string line;
+       ReadErrorLine(line);
+       CPPUNIT_ASSERT_EQUAL_MESSAGE(
+               "unexpected line in stderr",
+               expected, line);
+}
+
+void TestInstance::WaitErrorLine(const string &expected) {
+       string line;
+       while (true) {
+               ReadErrorLine(line);
+               if (line == expected) {
+                       return;
+               }
+       }
+}
+
+
+void TestInstance::AssertExitStatus(int expected) {
+       CPPUNIT_ASSERT_EQUAL_MESSAGE(
+               "unexpected line in stderr",
+               expected, proc.Join());
+}
+
+
+void TestInstance::WaitCommandMessage(const string &line) {
+       WaitCommandLine(" > " + line);
+}
+
+void TestInstance::WaitCommandError(const string &line) {
+       WaitCommandLine(" ! " + line);
+}
+
+void TestInstance::WaitCommandBroadcast(const string &line) {
+       WaitCommandLine(" @ " + line);
+}
+
+void TestInstance::WaitCommandLine(const string &expected) {
+       string line;
+       while (true) {
+               if (!cmd_buf.Extract(line)) {
+                       // buffer exhausted, fetch more data
+                       cmd_buf.Update(conn.Recv(cmd_buf.WriteHead(), cmd_buf.Remain()));
+                       continue;
+               }
+               if (line == expected) {
+                       return;
+               }
+       }
+}
+
+}
+}