Add tests

.drone.yml

@@ -6,8 +6,14 @@ steps:
 - name: build
   image: arminfriedl/xwim-build
   commands:
+    - meson wrap install gtest
     - meson build
     - ninja -C build
+    - ninja -C build test && ninja -C build coverage
+    - echo "******** TEST LOGS ***********"
+    - cat build/meson-logs/testlog.txt
+    - echo "****** COVERAGE LOGS *********"
+    - cat build/meson-logs/coverage.txt
 
 trigger:
   event:
@@ -23,6 +29,7 @@ steps:
 - name: build
   image: arminfriedl/xwim-build
   commands:
+    - meson wrap install gtest
     - meson --buildtype=release build
     - ninja -C build
     - mkdir xwim-${DRONE_TAG}-x86_64-glibc-linux

doc/Doxyfile.in

@@ -790,8 +790,7 @@ WARN_LOGFILE           =
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = "@PROJECT_SRCDIR@" \
-                         "@PROJECT_BINDIR@" 
+INPUT                  = "@PROJECT_SRCDIR@"
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
@@ -864,7 +863,7 @@ EXCLUDE_SYMBOLS        =
 # that contain example code fragments that are included (see the \include
 # command).
 
-EXAMPLE_PATH           = "@PROJECT_EXAMPLESDIR@"
+EXAMPLE_PATH           =
 
 # If the value of the EXAMPLE_PATH tag contains directories, you can use the
 # EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and
@@ -2020,8 +2019,7 @@ SEARCH_INCLUDES        = YES
 # preprocessor.
 # This tag requires that the tag SEARCH_INCLUDES is set to YES.
 
-INCLUDE_PATH           = "@PROJECT_SRCDIR@" \
-                         "@PROJECT_BINDIR@"
+INCLUDE_PATH           = "@PROJECT_SRCDIR@"
 
 # You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
 # patterns (like *.h and *.hpp) to filter out the header-files in the

doc/meson.build

@@ -14,7 +14,7 @@ else
 endif
 
 cdata.set('PROJECT_NAME', meson.project_name())
-cdata.set('PROJECT_SRCDIR', join_paths(meson.current_source_dir(),'..','src',meson.project_name()))
+cdata.set('PROJECT_SRCDIR', join_paths(meson.current_source_dir(),'..','src'))
 cdata.set('PROJECT_DOCDIR', meson.current_source_dir())
 cdata.set('PROJECT_TESTDIR', join_paths(meson.current_source_dir(),'..','test'))
 

meson.build

@@ -1,5 +1,9 @@
 project('xwim', 'cpp',
         version: '0.2',
-        default_options: ['cpp_std=c++17'])
+        default_options: ['cpp_std=c++17',
+                          'warning_level=3',
+                          'b_coverage=true'])
 
 subdir('src')
+subdir('doc')
+subdir('test')

src/archive.hpp

@@ -12,6 +12,7 @@
 
 namespace xwim {
 
+/** Class for interacting with archives */
 class Archive {
  private:
   std::filesystem::path path;
@@ -19,7 +20,13 @@ class Archive {
  public:
   explicit Archive(std::filesystem::path path);
 
+  /** Generate an ArchiveSpec by analysing the archive at `path`
+   *
+   * @returns ArchiveSpec for the archive
+   */
   ArchiveSpec check();
+
+  /** Extract the archive at `path` according to given ExtractSpec */
   void extract(ExtractSpec extract_spec);
 };
 

src/archive_sys.hpp

@@ -4,9 +4,16 @@
 
 #include <filesystem>
 #include <memory>
+#include <fmt/format.h>
 
 namespace xwim {
 
+/** A view into an archive entry
+ *
+ * The view is non-owning and the caller must guarantee
+ * that the parent archive entry is valid when the view
+ * is accessed.
+ */
 class ArchiveEntryView {
  private:
   archive_entry* ae;

src/fileformats.hpp

@@ -1,8 +1,17 @@
+/** @file fileformats.hpp
+ * @brief Handle archive extensions
+ */
 #pragma once
 
 #include <spdlog/spdlog.h>
 namespace logger = spdlog;
 
+#include <filesystem>
+#include <set>
+#include <string>
+
+namespace xwim {
+
 /** Common archive formats understood by xwim
  *
  * The underlying libarchive backend retrieves format information by a process
@@ -11,21 +20,20 @@ namespace logger = spdlog;
  * Stripping extensions via `std::filesystem::path` does not work reliably since
  * it gets easily confused by dots in the regular file name.
  */
+const std::set<std::string> fileformats{".7z",  ".7zip",  ".jar", ".tgz",
+                                        ".bz2", ".bzip2", ".gz",  ".gzip",
+                                        ".rar", ".tar",   "xz",   ".zip"};
 
-#include <filesystem>
-#include <set>
-#include <string>
-
-namespace xwim {
-
-  const std::set<std::string> fileformats{
-    ".7z",   ".7zip", ".jar", ".tgz",    ".bz2",     ".bzip2",  ".gz",
-    ".gzip", ".rar",  ".tar", ".tar.gz", ".tar.bz2", ".tar.xz", ".zip"};
-
-inline std::filesystem::path stem(std::filesystem::path& path) {
+/** Strip archive extensions from a path
+ *
+ * @returns Base filename without archive extensions
+ */
+inline std::filesystem::path stem(const std::filesystem::path& path) {
   std::filesystem::path p_stem{path};
   logger::trace("Stemming {}", p_stem.string());
 
+  p_stem = p_stem.filename();
+
   while (fileformats.find(p_stem.extension().string()) != fileformats.end()) {
     p_stem = p_stem.stem();
     logger::trace("Stemmed to {}", p_stem.string());

src/meson.build

@@ -1,14 +1,14 @@
-src = ['main.cpp',
+xwim_src = ['main.cpp',
             'archive.cpp',
             'archive_sys.cpp']
 
-inc = ['archive.hpp',
+xwim_inc = ['archive.hpp',
             'spec.hpp',
             'archive_sys.hpp',
             'fileformats.hpp']
 
-libs = [dependency('libarchive', required: true),
-        dependency('fmt', required: true, static: true),
-        dependency('spdlog', required: true, static: true)]
+xwim_libs = [dependency('libarchive', required: true),
+             dependency('fmt', required: true),
+             dependency('spdlog', required: true)]
 
-executable('xwim', src, inc, dependencies: libs)
+executable('xwim', xwim_src, xwim_inc, dependencies: xwim_libs)

src/spec.hpp

@@ -1,35 +1,57 @@
 #pragma once
 
 #include <archive.h>
-#include <fmt/core.h>
+#include <fmt/format.h>
 
 #include <filesystem>
 #include <memory>
 
 namespace xwim {
 
+/** Properties of an archive
+ *
+ * These properties can be retrieved by analyzing the
+ * archive. There is no outside-knowledge. All information
+ * is in the archive.
+ */
 struct ArchiveSpec {
-  bool has_single_root = false;
-  bool is_root_filename = false;
-  bool is_root_dir = false;
-  bool has_subarchive = false;
+  bool has_single_root = false;  /** There is only a single file xor a single
+                                    folder at the archive's root */
+  bool is_root_filename = false; /** the name of the (single) root is the same
+                                    as the stemmed archive file name. Cannot be
+                                    true if `has_single_root` is false */
+  bool is_root_dir = false; /** The (single) root is a folder. Cnnot be true if
+                               `has_single_root` is false */
+  bool has_subarchive = false; /** Whether the archive contains sub-archives */
 };
 
+/** Properties influencing the extraction process
+ *
+ * These properties can be set to influence the extraction
+ * process accordingly.
+ */
 struct ExtractSpec {
-  bool make_dir = false;
-  std::filesystem::path dirname{};
-  bool extract_subarchive = false;
+  bool make_dir = false; /** Create a new directory for extraction at `dirname` */
+  std::filesystem::path dirname{}; /** The path to a directory for extraction */
+  bool extract_subarchive = false; /** Recursively extract sub-archives */
 };
 
 }  // namespace xwim
 
+#if FMT_VERSION < 50300
+typedef fmt::basic_parse_context<char> format_parse_context;
+#endif
+
 template <>
 struct fmt::formatter<xwim::ArchiveSpec> {
-  constexpr auto parse(format_parse_context& ctx) { return ctx.begin(); }
+  constexpr auto parse(format_parse_context & ctx) {
+    return ctx.begin();
+  }
 
   template <typename FormatContext>
   auto format(const xwim::ArchiveSpec& spec, FormatContext& ctx) {
-    return format_to(ctx.out(),"Archive["
+    return format_to(ctx.out(),
+                     "Archive["
                      " .has_single_root={},"
                      " .is_root_filename={}"
                      " .is_root_dir={}"
@@ -46,11 +68,13 @@ struct fmt::formatter<xwim::ExtractSpec> {
 
   template <typename FormatContext>
   auto format(const xwim::ExtractSpec& spec, FormatContext& ctx) {
-    return format_to(ctx.out(), "Extract["
+    return format_to(ctx.out(),
+                     "Extract["
                      " .make_dir={},"
                      " .dirname={}"
                      " .extract_subarchive={}"
                      " ]",
-                     spec.make_dir, spec.dirname.string(), spec.extract_subarchive);
+                     spec.make_dir, spec.dirname.string(),
+                     spec.extract_subarchive);
   }
 };

subprojects/.gitignore

@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

test/archive_test.cpp

@@ -0,0 +1,11 @@
+#include <gtest/gtest.h>
+
+#include <archive.hpp>
+#include <spec.hpp>
+
+TEST(ArchiveTest, ArchiveSpecDetectsSingleRoot) {
+  xwim::Archive archive("test/archives/root.tar.gz");
+
+  xwim::ArchiveSpec spec = archive.check();
+  ASSERT_TRUE(spec.has_single_root);
+}

test/archives/meson.build

@@ -0,0 +1 @@
+configure_file(input: 'root.tar.gz', output: 'root.tar.gz', copy: true)

test/fileformats_test.cpp

@@ -0,0 +1,34 @@
+#include <gtest/gtest.h>
+
+#include <fileformats.hpp>
+#include <string>
+
+TEST(FileformatsTest, StemStripsSingleKnownExtension) {
+  std::filesystem::path archive_path {"/some/path/to/file.rar"};
+
+  ASSERT_EQ(xwim::stem(archive_path), std::filesystem::path{"file"});
+}
+
+TEST(FileformatsTest, StemStripsMultipleKnownExtensions) {
+  std::filesystem::path archive_path{"/some/path/to/file.tar.rar.gz.7z.rar"};
+
+  ASSERT_EQ(xwim::stem(archive_path), std::filesystem::path{"file"});
+}
+
+TEST(FileformatsTest, StemStripsOnlyKnownExtension) {
+  std::filesystem::path archive_path{"/some/path/to/file.ukn.rar"};
+
+  ASSERT_EQ(xwim::stem(archive_path), std::filesystem::path{"file.ukn"});
+}
+
+TEST(FileformatsTest, StemStripsNothingWithoutKnownExtension) {
+  std::filesystem::path archive_path{"/some/path/to/file.ukn"};
+
+  ASSERT_EQ(xwim::stem(archive_path), std::filesystem::path{"file.ukn"});
+}
+
+TEST(FileformatsTest, StemStripsNothingWithoutExtension) {
+  std::filesystem::path archive_path{"/some/path/to/filerar"};
+
+  ASSERT_EQ(xwim::stem(archive_path), std::filesystem::path{"filerar"});
+}

test/meson.build

@@ -0,0 +1,23 @@
+# Run tests+coverage with `ninja clean && ninja test && ninja coverage`
+gtest_proj = subproject('gtest')
+gtest_dep = gtest_proj.get_variable('gtest_main_dep')
+
+xwim_src = ['../src/archive.cpp',
+            '../src/archive_sys.cpp']
+
+subdir('archives')
+
+archive_test_exe = executable('archive_test_exe',
+                              sources: ['archive_test.cpp', xwim_src],
+                              include_directories: ['../src'],
+                              dependencies: [gtest_dep, xwim_libs])
+
+
+test('archive test', archive_test_exe)
+
+fileformats_test_exe = executable('fileformats_test_exe',
+                              sources: ['fileformats_test.cpp', xwim_src],
+                              include_directories: ['../src'],
+                              dependencies: [gtest_dep, xwim_libs])
+
+test('fileformats test', fileformats_test_exe)