Improved test coverage (#287)

tests/test_progress_indicator.cc

@@ -0,0 +1,105 @@
+/**
+ * @file tests/test_progress_indicator.cc
+ *
+ * Copyright (c) 2021-2024 Bartek Kryza <bkryza@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+
+#include "doctest/doctest.h"
+
+#include "common/generators/progress_indicator.h"
+#include "util/util.h"
+
+TEST_CASE("Test progress indicator")
+{
+    using namespace clanguml::common::generators;
+    using namespace std::string_literals;
+
+    std::stringstream sstr;
+
+    progress_indicator pi{sstr};
+
+    pi.add_progress_bar("One", 100, indicators::Color::green);
+
+    // Check if progress indicator has been displayed on the terminal
+    pi.increment("One");
+
+    pi.complete("One");
+
+    pi.stop();
+
+    std::vector<std::string> output_lines;
+    std::string line;
+    while (std::getline(sstr, line, '\r'))
+        output_lines.emplace_back(std::move(line));
+
+    REQUIRE_EQ(output_lines[0], "");
+
+    REQUIRE_EQ(output_lines[1],
+        "One                      [█----------------------------------] "
+        "[00:00s] 0/100");
+
+    REQUIRE_EQ(output_lines[2],
+        "One                      [█----------------------------------] "
+        "[00m:00s] 1/100");
+
+    REQUIRE_EQ(output_lines[3],
+        "One                      [███████████████████████████████████] "
+        "[00m:00s] 100/100 ✔");
+}
+
+TEST_CASE("Test progress indicator fail")
+{
+    using namespace clanguml::common::generators;
+    using namespace std::string_literals;
+
+    std::stringstream sstr;
+
+    progress_indicator pi{sstr};
+
+    pi.add_progress_bar("One", 100, indicators::Color::green);
+
+    // Check if progress indicator has been displayed on the terminal
+    pi.increment("One");
+
+    pi.increment("Two"); // This shouldn't lock the progress bar or change it
+
+    pi.complete("Two"); // This shouldn't lock the progress bar or change it
+
+    pi.fail("Two"); // This shouldn't lock the progress bar or change it
+
+    pi.fail("One");
+
+    pi.stop();
+
+    std::vector<std::string> output_lines;
+    std::string line;
+    while (std::getline(sstr, line, '\r'))
+        output_lines.emplace_back(std::move(line));
+
+    REQUIRE_EQ(output_lines[0], "");
+
+    REQUIRE_EQ(output_lines[1],
+        "One                      [█----------------------------------] "
+        "[00:00s] 0/100");
+
+    REQUIRE_EQ(output_lines[2],
+        "One                      [█----------------------------------] "
+        "[00m:00s] 1/100");
+
+    REQUIRE_EQ(output_lines[3],
+        "One                      [█----------------------------------] "
+        "[00m:00s] 1/100 ✗");
+}