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#include "download.h"
#include <set>
#include <vector>
#include "3rd-party/catch.hpp"
using namespace podboat;
TEST_CASE("Require-view-update callback gets called when download progress or status changes",
"[Download]")
{
GIVEN("A Download object") {
bool got_called = false;
std::function<void()> callback = [&got_called]() {
got_called = true;
};
Download d(callback);
REQUIRE(d.status() == DlStatus::QUEUED);
WHEN("its progress is updated (increased)") {
d.set_progress(1.0, 1.0);
THEN("the require-view-update callback gets called") {
REQUIRE(got_called);
}
}
WHEN("its progress has not changed") {
d.set_progress(0.0, 1.0);
THEN("the require-view-update callback does not get called") {
REQUIRE_FALSE(got_called);
}
}
WHEN("its status is changed") {
d.set_status(DlStatus::DOWNLOADING);
THEN("the require-view-update callback gets called") {
REQUIRE(got_called);
}
}
WHEN("when its status is not changed") {
d.set_status(DlStatus::QUEUED);
THEN("the require-view-update callback does not get called") {
REQUIRE_FALSE(got_called);
}
}
}
}
TEST_CASE("filename() returns download's target filename", "[Download]")
{
auto emptyCallback = []() {};
Download d(emptyCallback);
SECTION("filename returns empty string by default") {
REQUIRE(d.filename() == "");
}
SECTION("filename returns same string which is set via set_filename") {
d.set_filename("abc");
REQUIRE(d.filename() == "abc");
}
SECTION("filename will return the latest configured filename") {
d.set_filename("abc");
d.set_filename("def");
REQUIRE(d.filename() == "def");
}
}
TEST_CASE("percents_finished() takes current progress into account",
"[Download]")
{
auto emptyCallback = []() {};
Download d(emptyCallback);
SECTION("percents_finished() returns 0 by default") {
REQUIRE(d.percents_finished() == 0);
}
SECTION("percents_finished() updates according to set_progress's arguments") {
const double downloaded = 3.0;
const double total = 7.0;
d.set_progress(downloaded, total);
REQUIRE(d.percents_finished() == Catch::Approx(100.0 * (downloaded / total)));
}
SECTION("percents_finished() takes offset into account") {
const double offset = 5.0;
const double downloaded = 3.0;
const double total = 12.0;
d.set_offset(offset);
d.set_progress(downloaded, total);
const auto expected = Catch::Approx(100.0 * ((downloaded + offset) /
(total + offset)));
REQUIRE(d.percents_finished() == expected);
}
SECTION("percents_finished() returns 0 if total is unknown (0)") {
const double downloaded = 3.0;
const double total = 0.0;
d.set_progress(downloaded, total);
REQUIRE(d.percents_finished() == 0);
}
}
TEST_CASE("basename() returns all text after last slash in the filename",
"[Download]")
{
auto emptyCallback = []() {};
Download d(emptyCallback);
SECTION("basename() returns empty string by default") {
REQUIRE(d.basename() == "");
}
SECTION("basename() returns full filename if it does not contain slashes") {
const std::string filename = "lorem_ipsum.txt";
d.set_filename(filename);
REQUIRE(d.basename() == filename);
}
SECTION("basename() returns only text after the last slash in the filename") {
const std::string basename = "lorem_ipsum.txt";
const std::string path = "/test/path/";
const std::string filename = path + basename;
d.set_filename(filename);
REQUIRE(d.basename() == basename);
}
}
TEST_CASE("status_text() does not contain obvious copy-paste errors",
"[Download]")
{
auto emptyCallback = []() {};
Download d(emptyCallback);
const std::vector<DlStatus> status_values {
DlStatus::QUEUED,
DlStatus::DOWNLOADING,
DlStatus::CANCELLED,
DlStatus::DELETED,
DlStatus::FINISHED,
DlStatus::FAILED,
DlStatus::MISSING,
DlStatus::READY,
DlStatus::PLAYED
};
SECTION("status_text returns a non-empty string for each possible status") {
for (const DlStatus& status : status_values) {
d.set_status(status);
REQUIRE_FALSE(d.status_text() == "");
}
}
SECTION("status_text() returns a unique text for each of the possible status values") {
std::set<std::string> status_texts;
for (const DlStatus& status : status_values) {
d.set_status(status);
status_texts.insert(d.status_text());
}
REQUIRE(status_values.size() == status_texts.size());
}
}
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