[BREAK] add possibility to download and use multiply

Translation files, configurable with Acquire::Languages
accessable with APT::Configuration::getLanguages() and
as always with documentation in apt.conf.
The commit also includes a very very simple testapp.

1 files changed, 91 insertions, 0 deletions

diff --git a/test/libapt/getlanguages_test.cc b/test/libapt/getlanguages_test.cc
new file mode 100644
index 000000000..f3629df68
--- /dev/null
+++ b/test/libapt/getlanguages_test.cc
@@ -0,0 +1,91 @@
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/configuration.h>
+
+#include <assert.h>
+#include <string>
+#include <vector>
+
+#include <iostream>
+
+// simple helper to quickly output a vector of strings
+void dumpVector(std::vector<std::string> vec) {
+	for (std::vector<std::string>::const_iterator v = vec.begin();
+	     v != vec.end(); v++)
+		std::cout << *v << std::endl;
+}
+
+int main(int argc,char *argv[])
+{
+	std::vector<std::string> vec = APT::Configuration::getLanguages(false, false, "de_DE.UTF-8");
+	assert(vec.size() == 2);
+	assert(vec[0] == "de");
+	assert(vec[1] == "en");
+
+	// Special: Check if the cache is actually in use
+		vec = APT::Configuration::getLanguages(false, true, "en_GB.UTF-8");
+		assert(vec.size() == 2);
+		assert(vec[0] == "de");
+		assert(vec[1] == "en");
+
+	vec = APT::Configuration::getLanguages(false, false, "en_GB.UTF-8");
+	assert(vec.size() == 2);
+	assert(vec[0] == "en_GB");
+	assert(vec[1] == "en");
+
+	vec = APT::Configuration::getLanguages(false, false, "pt_PR.UTF-8");
+	assert(vec.size() == 3);
+	assert(vec[0] == "pt_PR");
+	assert(vec[1] == "pt");
+	assert(vec[2] == "en");
+
+	vec = APT::Configuration::getLanguages(false, false, "ast_DE.UTF-8"); // bogus, but syntactical correct
+	assert(vec.size() == 2);
+	assert(vec[0] == "ast");
+	assert(vec[1] == "en");
+
+	vec = APT::Configuration::getLanguages(false, false, "C");
+	assert(vec.size() == 1);
+	assert(vec[0] == "en");
+
+	_config->Set("Acquire::Languages::1", "environment");
+	_config->Set("Acquire::Languages::2", "en");
+	vec = APT::Configuration::getLanguages(false, false, "de_DE.UTF-8");
+	assert(vec.size() == 2);
+	assert(vec[0] == "de");
+	assert(vec[1] == "en");
+
+	_config->Set("Acquire::Languages::3", "de");
+	vec = APT::Configuration::getLanguages(false, false, "de_DE.UTF-8");
+	assert(vec.size() == 2);
+	assert(vec[0] == "de");
+	assert(vec[1] == "en");
+
+	_config->Set("Acquire::Languages::1", "none");
+	vec = APT::Configuration::getLanguages(false, false, "de_DE.UTF-8");
+	assert(vec.size() == 0);
+	vec = APT::Configuration::getLanguages(true, false, "de_DE.UTF-8");
+	assert(vec[0] == "en");
+	assert(vec[1] == "de");
+
+	_config->Set("Acquire::Languages::1", "fr");
+	_config->Set("Acquire::Languages", "de_DE");
+	vec = APT::Configuration::getLanguages(false, false, "de_DE.UTF-8");
+	assert(vec.size() == 1);
+	assert(vec[0] == "de_DE");
+
+	_config->Set("Acquire::Languages", "none");
+	vec = APT::Configuration::getLanguages(true, false, "de_DE.UTF-8");
+	assert(vec.size() == 0);
+
+	_config->Set("Acquire::Languages", "");
+	//FIXME: Remove support for this deprecated setting
+		_config->Set("APT::Acquire::Translation", "ast_DE");
+		vec = APT::Configuration::getLanguages(true, false, "de_DE.UTF-8");
+		assert(vec.size() == 1);
+		assert(vec[0] == "ast_DE");
+		_config->Set("APT::Acquire::Translation", "none");
+		vec = APT::Configuration::getLanguages(true, false, "de_DE.UTF-8");
+		assert(vec.size() == 0);
+
+	return 0;
+}