lordgamez commented on a change in pull request #987:
URL: https://github.com/apache/nifi-minifi-cpp/pull/987#discussion_r570186050
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File path: libminifi/test/unit/FileStreamTests.cpp
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@@ -263,3 +267,75 @@ TEST_CASE("Read zero bytes") {
minifi::io::FileStream stream(utils::file::concat_path(dir, "test.txt"), 0,
true);
REQUIRE(stream.read(nullptr, 0) == 0);
}
+
+TEST_CASE("Non-existing file read/write test") {
+ TestController test_controller;
+ char format[] = "/tmp/gt.XXXXXX";
+ auto dir = test_controller.createTempDirectory(format);
+ minifi::io::FileStream stream(utils::file::concat_path(dir,
"non_existing_file.txt"), 0, true);
+ REQUIRE(test_controller.getLog().getInstance().contains("Error opening
file", std::chrono::seconds(0)));
+ REQUIRE(test_controller.getLog().getInstance().contains("No such file or
directory", std::chrono::seconds(0)));
+ REQUIRE(stream.write("lorem ipsum", false) == -1);
+ REQUIRE(test_controller.getLog().getInstance().contains("Error writing to
file: invalid file stream", std::chrono::seconds(0)));
+ std::vector<uint8_t> readBuffer;
+ stream.seek(0);
+ REQUIRE(stream.read(readBuffer, 1) == -1);
+ REQUIRE(test_controller.getLog().getInstance().contains("Error reading from
file: invalid file stream", std::chrono::seconds(0)));
+}
+
+TEST_CASE("Existing file read/write test") {
+ TestController test_controller;
+ char format[] = "/tmp/gt.XXXXXX";
+ auto dir = test_controller.createTempDirectory(format);
+ std::string path_to_existing_file(utils::file::concat_path(dir,
"existing_file.txt"));
+ {
+ std::ofstream outfile(path_to_existing_file);
+ outfile << "lorem ipsum" << std::endl;
+ outfile.close();
+ }
+ minifi::io::FileStream stream(path_to_existing_file, 0, true);
+ REQUIRE_FALSE(test_controller.getLog().getInstance().contains("Error opening
file", std::chrono::seconds(0)));
+ REQUIRE_FALSE(stream.write("dolor sit amet", false) == -1);
+ REQUIRE_FALSE(test_controller.getLog().getInstance().contains("Error writing
to file", std::chrono::seconds(0)));
+ std::vector<uint8_t> readBuffer;
+ stream.seek(0);
+ REQUIRE_FALSE(stream.read(readBuffer, 11) == -1);
+ REQUIRE_FALSE(test_controller.getLog().getInstance().contains("Error reading
from file", std::chrono::seconds(0)));
+ stream.seek(0);
+ REQUIRE(stream.read(nullptr, 11) == -1);
+ REQUIRE(test_controller.getLog().getInstance().contains("Error reading from
file: invalid buffer", std::chrono::seconds(0)));
+}
+
+#ifdef USE_BOOST
+TEST_CASE("Opening file without permission creates error logs") {
+ TestController test_controller;
+ char format[] = "/tmp/gt.XXXXXX";
+ auto dir = test_controller.createTempDirectory(format);
+ std::string path_to_permissionless_file(utils::file::concat_path(dir,
"permissionless_file.txt"));
+ {
+ std::ofstream outfile(path_to_permissionless_file);
+ outfile << "this file has been just created" << std::endl;
+ outfile.close();
+ // This could be done with C++17 std::filesystem
+ boost::filesystem::permissions(path_to_permissionless_file,
boost::filesystem::no_perms);
Review comment:
I think that's a good idea trying both. I just really didn't insist on
running it on Windows as currently we do not have boost installed on our
Windows CI runners.
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