roro9stack/test/test_file_names/test_file_names.cpp

#include <unity.h>

#include <string>
#include <vector>

#include "file_names.h"

using namespace roro::files;

void setUp() {}
void tearDown() {}

void test_path_parts() {
    TEST_ASSERT_EQUAL_STRING("/gemini/saved", parentOf("/gemini/saved/index.gmi").c_str());
    TEST_ASSERT_EQUAL_STRING("/", parentOf("/gemini").c_str());
    TEST_ASSERT_EQUAL_STRING("/", parentOf("/").c_str());
    TEST_ASSERT_EQUAL_STRING("index.gmi", baseName("/gemini/saved/index.gmi").c_str());
    TEST_ASSERT_EQUAL_STRING("", baseName("/").c_str());
    TEST_ASSERT_EQUAL_STRING("/gemini/a.gmi", joinPath("/gemini", "a.gmi").c_str());
    TEST_ASSERT_EQUAL_STRING("/a.gmi", joinPath("/", "a.gmi").c_str());
    TEST_ASSERT_EQUAL_STRING("gmi", extensionOf("Index.GMI").c_str());
    TEST_ASSERT_EQUAL_STRING("pcap", extensionOf("20261005-183340.pcap").c_str());
    TEST_ASSERT_EQUAL_STRING("", extensionOf("README").c_str());
    TEST_ASSERT_EQUAL_STRING("", extensionOf(".hidden").c_str());
}

void test_inside() {
    TEST_ASSERT_TRUE(isInside("/gemini/cache/page0.gmi", "/gemini/cache"));
    TEST_ASSERT_TRUE(isInside("/gemini/cache", "/gemini/cache"));
    TEST_ASSERT_FALSE(isInside("/gemini/cached", "/gemini/cache"));  // a longer name isn't inside
    TEST_ASSERT_TRUE(isInside("/irc/x.log", "/"));
}

// Q131: names typed for rename and new folder.
void test_names_checked() {
    TEST_ASSERT_EQUAL_STRING("", checkName("notes 2026.txt").c_str());
    TEST_ASSERT_EQUAL_STRING("", checkName("#roro").c_str());
    TEST_ASSERT_EQUAL_STRING("A name can't be empty", checkName("").c_str());
    TEST_ASSERT_EQUAL_STRING("A name can't contain /", checkName("a/b").c_str());
    TEST_ASSERT_EQUAL_STRING("A name can't contain :", checkName("12:30.txt").c_str());
    TEST_ASSERT_EQUAL_STRING("A name can't contain ?", checkName("what?").c_str());
    TEST_ASSERT_EQUAL_STRING("\".\" and \"..\" aren't names", checkName("..").c_str());
    TEST_ASSERT_EQUAL_STRING("A name can't end with a dot or a space", checkName("notes.").c_str());
    TEST_ASSERT_EQUAL_STRING("A name can't end with a dot or a space", checkName("notes ").c_str());
    TEST_ASSERT_EQUAL_STRING("A name can be 64 characters at most", checkName(std::string(65, 'a')).c_str());
    TEST_ASSERT_EQUAL_STRING("", checkName(std::string(64, 'a')).c_str());
}

// Q130: what can't be renamed, moved or deleted, and why.
void test_read_only() {
    std::vector<std::string> inUse = {"/irc/irc.libera.chat/#roro/2026-10-06.log", "/gnss/tracks/20261006-071500.gpx"};
    TEST_ASSERT_EQUAL_STRING("", whyReadOnly("/gemini/saved/a.gmi", inUse).c_str());
    TEST_ASSERT_EQUAL_STRING("", whyReadOnly("/irc/irc.libera.chat/#roro/2026-10-05.log", inUse).c_str());  // yesterday's
    TEST_ASSERT_EQUAL_STRING("", whyReadOnly("/updates/roro9stack-v0.8.1.ota", inUse).c_str());
    TEST_ASSERT_EQUAL_STRING("", whyReadOnly("/gemini/saved", inUse).c_str());  // a folder below the top level

    TEST_ASSERT_EQUAL_STRING("It's being written right now", whyReadOnly("/gnss/tracks/20261006-071500.gpx", inUse).c_str());
    TEST_ASSERT_EQUAL_STRING("It holds a file that's being written right now", whyReadOnly("/gnss/tracks", inUse).c_str());
    TEST_ASSERT_EQUAL_STRING("It holds a file that's being written right now", whyReadOnly("/irc/irc.libera.chat", inUse).c_str());
    TEST_ASSERT_EQUAL_STRING("/gemini/cache is the Gemini App's working space", whyReadOnly("/gemini/cache/page0.gmi", inUse).c_str());
    TEST_ASSERT_EQUAL_STRING("/gemini/cache is the Gemini App's working space", whyReadOnly("/gemini/cache", inUse).c_str());
    TEST_ASSERT_EQUAL_STRING("The firmware keeps its files in /irc", whyReadOnly("/irc", {}).c_str());
    TEST_ASSERT_EQUAL_STRING("The firmware keeps its files in /captures", whyReadOnly("/captures", {}).c_str());
    TEST_ASSERT_EQUAL_STRING("That's the card itself", whyReadOnly("/", {}).c_str());
    TEST_ASSERT_EQUAL_STRING("", whyReadOnly("/my stuff", {}).c_str());  // a top-level folder of the user's own
}

// Where something may be put (paste, new folder): not into the cache, not into itself.
void test_destinations() {
    TEST_ASSERT_EQUAL_STRING("", whyNotInto("/gemini/saved/a.gmi", "/notes").c_str());
    TEST_ASSERT_EQUAL_STRING("", whyNotInto("/gemini/saved/a.gmi", "/").c_str());
    TEST_ASSERT_EQUAL_STRING("/gemini/cache is the Gemini App's working space", whyNotInto("/notes/a.txt", "/gemini/cache").c_str());
    TEST_ASSERT_EQUAL_STRING("A folder can't go inside itself", whyNotInto("/gemini/saved", "/gemini/saved/sub").c_str());
    TEST_ASSERT_EQUAL_STRING("A folder can't go inside itself", whyNotInto("/gemini/saved", "/gemini/saved").c_str());
    TEST_ASSERT_EQUAL_STRING("It's already there", whyNotInto("/gemini/saved/a.gmi", "/gemini/saved").c_str());
}

// A copy next to the original needs another name: "a (2).gmi".
void test_copy_names() {
    TEST_ASSERT_EQUAL_STRING("a (2).gmi", copyName("a.gmi", 2).c_str());
    TEST_ASSERT_EQUAL_STRING("README (3)", copyName("README", 3).c_str());
    TEST_ASSERT_EQUAL_STRING("archive.tar (2).gz", copyName("archive.tar.gz", 2).c_str());
}

// Q134: which viewer opens a file.
void test_kinds() {
    TEST_ASSERT_TRUE(kindOf("2026-10-06.log") == FileKind::Text);
    TEST_ASSERT_TRUE(kindOf("index.gmi") == FileKind::Text);
    TEST_ASSERT_TRUE(kindOf("2026-10-05.CSV") == FileKind::Text);
    TEST_ASSERT_TRUE(kindOf("note.txt") == FileKind::Text);
    TEST_ASSERT_TRUE(kindOf("20261006-071500.gpx") == FileKind::Gpx);
    TEST_ASSERT_TRUE(kindOf("20261005-183340.pcap") == FileKind::Pcap);
    TEST_ASSERT_TRUE(kindOf("roro9stack-v0.8.1.ota") == FileKind::Ota);
    TEST_ASSERT_TRUE(kindOf("firmware.bin") == FileKind::Unknown);  // sniffed: text or a hex dump
    TEST_ASSERT_TRUE(opensAtEnd("2026-10-06.log"));
    TEST_ASSERT_FALSE(opensAtEnd("index.gmi"));
}

void test_looks_like_text() {
    const char text[] = "line one\nline two with an \xC3\xA9\r\n\ttabbed";
    TEST_ASSERT_TRUE(looksLikeText(reinterpret_cast<const uint8_t*>(text), sizeof text - 1));
    const uint8_t binary[] = {0xE9, 0x05, 0x02, 0x00, 0x10, 0x00, 0x00, 0x40};
    TEST_ASSERT_FALSE(looksLikeText(binary, sizeof binary));
    TEST_ASSERT_TRUE(looksLikeText(nullptr, 0));  // an empty file reads as text
}

void test_rm_takes_its_switches_like_unix() {
    auto a = parseRm("/notes/a.txt");
    TEST_ASSERT_FALSE(a.recursive);
    TEST_ASSERT_FALSE(a.force);
    TEST_ASSERT_EQUAL_STRING("/notes/a.txt", a.path.c_str());
    a = parseRm("-r /gemini/saved");
    TEST_ASSERT_TRUE(a.recursive);
    TEST_ASSERT_FALSE(a.force);
    TEST_ASSERT_EQUAL_STRING("/gemini/saved", a.path.c_str());
    for (const char* both : {"-rf /x", "-fr /x", "-r -f /x", "-f -r /x", "-R -f /x"}) {
        a = parseRm(both);
        TEST_ASSERT_TRUE(a.recursive);
        TEST_ASSERT_TRUE(a.force);
        TEST_ASSERT_EQUAL_STRING("/x", a.path.c_str());
    }
    a = parseRm("-f /a file with spaces.txt ");
    TEST_ASSERT_TRUE(a.force);
    TEST_ASSERT_EQUAL_STRING("/a file with spaces.txt", a.path.c_str());
    a = parseRm("-x /odd");  // not a switch of rm: taken as the name
    TEST_ASSERT_FALSE(a.force);
    TEST_ASSERT_EQUAL_STRING("-x /odd", a.path.c_str());
    TEST_ASSERT_EQUAL_STRING("", parseRm("-rf").path.c_str());
}

int main() {
    UNITY_BEGIN();
    RUN_TEST(test_path_parts);
    RUN_TEST(test_inside);
    RUN_TEST(test_names_checked);
    RUN_TEST(test_read_only);
    RUN_TEST(test_destinations);
    RUN_TEST(test_copy_names);
    RUN_TEST(test_kinds);
    RUN_TEST(test_looks_like_text);
    RUN_TEST(test_rm_takes_its_switches_like_unix);
    return UNITY_END();
}