From d62c4fd5213a89ca8a116c5993685c95f11e8a8a Mon Sep 17 00:00:00 2001
From: Veloman Yunkan <veloman.yunkan@gmail.com>
Date: Mon, 22 Nov 2021 18:24:25 +0400
Subject: [PATCH] Testing of HumanReadableNameMapper

---
 test/meson.build     |   1 +
 test/name_mapper.cpp | 109 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+)
 create mode 100644 test/name_mapper.cpp

diff --git a/test/meson.build b/test/meson.build
index 1502c12fb..30b19b8e6 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -8,6 +8,7 @@ tests = [
     'kiwixserve',
     'book',
     'manager',
+    'name_mapper',
     'opds_catalog',
     'reader',
     'searcher'
diff --git a/test/name_mapper.cpp b/test/name_mapper.cpp
new file mode 100644
index 000000000..c6b6d6c3f
--- /dev/null
+++ b/test/name_mapper.cpp
@@ -0,0 +1,109 @@
+#include "../include/name_mapper.h"
+
+#include "../include/library.h"
+#include "../include/manager.h"
+#include "gtest/gtest.h"
+
+namespace
+{
+
+const char libraryXML[] = R"(
+<library version="1.0">
+  <book id="01"         path="/data/zero_one.zim">         </book>
+  <book id="02"         path="/data/zero two.zim">         </book>
+  <book id="03"         path="/data/ZERO thrêë.zim">       </book>
+  <book id="04-2021-10" path="/data/zero_four_2021-10.zim"></book>
+  <book id="04-2021-11" path="/data/zero_four_2021-11.zim"></book>
+</library>
+)";
+
+class NameMapperTest : public ::testing::Test {
+ protected:
+  void SetUp() override {
+     kiwix::Manager manager(&lib);
+     manager.readXml(libraryXML, true, "./library.xml", true);
+     for ( const std::string& id : lib.getBooksIds() ) {
+       lib.getBookById(id).setPathValid(true);
+     }
+  }
+
+  kiwix::Library lib;
+};
+
+class CapturedStderr
+{
+  std::ostringstream buffer;
+  std::streambuf* const sbuf;
+public:
+  CapturedStderr()
+    : sbuf(std::cerr.rdbuf())
+  {
+    std::cerr.rdbuf(buffer.rdbuf());
+  }
+
+  CapturedStderr(const CapturedStderr&) = delete;
+
+  ~CapturedStderr()
+  {
+    std::cerr.rdbuf(sbuf);
+  }
+
+  operator std::string() const { return buffer.str(); }
+};
+
+} // unnamed namespace
+
+TEST_F(NameMapperTest, HumanReadableNameMapperWithoutAliases)
+{
+  CapturedStderr stderror;
+  kiwix::HumanReadableNameMapper nm(lib, false);
+  EXPECT_EQ("", std::string(stderror));
+
+  EXPECT_EQ("zero_one",           nm.getNameForId("01"));
+  EXPECT_EQ("zero_two",           nm.getNameForId("02"));
+  EXPECT_EQ("zero_three",         nm.getNameForId("03"));
+  EXPECT_EQ("zero_four_2021-10",  nm.getNameForId("04-2021-10"));
+  EXPECT_EQ("zero_four_2021-11",  nm.getNameForId("04-2021-11"));
+
+  EXPECT_EQ("01",         nm.getIdForName("zero_one"));
+  EXPECT_EQ("02",         nm.getIdForName("zero_two"));
+  EXPECT_EQ("03",         nm.getIdForName("zero_three"));
+  EXPECT_EQ("04-2021-10", nm.getIdForName("zero_four_2021-10"));
+  EXPECT_EQ("04-2021-11", nm.getIdForName("zero_four_2021-11"));
+  EXPECT_THROW(nm.getIdForName("zero_four"), std::out_of_range);
+
+  lib.removeBookById("04-2021-10");
+  EXPECT_EQ("zero_four_2021-10",  nm.getNameForId("04-2021-10"));
+  EXPECT_EQ("04-2021-10", nm.getIdForName("zero_four_2021-10"));
+  EXPECT_THROW(nm.getIdForName("zero_four"), std::out_of_range);
+}
+
+TEST_F(NameMapperTest, HumanReadableNameMapperWithAliases)
+{
+  CapturedStderr stderror;
+  kiwix::HumanReadableNameMapper nm(lib, true);
+  EXPECT_EQ(
+      "Path collision: /data/zero_four_2021-10.zim and"
+      " /data/zero_four_2021-11.zim can't share the same URL path 'zero_four'."
+      " Therefore, only /data/zero_four_2021-10.zim will be served.\n"
+      , std::string(stderror)
+  );
+
+  EXPECT_EQ("zero_one",           nm.getNameForId("01"));
+  EXPECT_EQ("zero_two",           nm.getNameForId("02"));
+  EXPECT_EQ("zero_three",         nm.getNameForId("03"));
+  EXPECT_EQ("zero_four_2021-10",  nm.getNameForId("04-2021-10"));
+  EXPECT_EQ("zero_four_2021-11",  nm.getNameForId("04-2021-11"));
+
+  EXPECT_EQ("01",         nm.getIdForName("zero_one"));
+  EXPECT_EQ("02",         nm.getIdForName("zero_two"));
+  EXPECT_EQ("03",         nm.getIdForName("zero_three"));
+  EXPECT_EQ("04-2021-10", nm.getIdForName("zero_four_2021-10"));
+  EXPECT_EQ("04-2021-11", nm.getIdForName("zero_four_2021-11"));
+  EXPECT_EQ("04-2021-10", nm.getIdForName("zero_four"));
+
+  lib.removeBookById("04-2021-10");
+  EXPECT_EQ("zero_four_2021-10",  nm.getNameForId("04-2021-10"));
+  EXPECT_EQ("04-2021-10", nm.getIdForName("zero_four_2021-10"));
+  EXPECT_EQ("04-2021-10", nm.getIdForName("zero_four"));
+}