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8089102164
This helps us make sure that the external C API is sufficient for the tasks that we think it is sufficient for.
80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
#include "nix/util/config-global.hh"
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#include "nix/util/args.hh"
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#include "nix_api_util.h"
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#include "nix/util/tests/nix_api_util.hh"
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#include "nix/util/tests/string_callback.hh"
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#include <gtest/gtest.h>
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#include <memory>
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#include "util-tests-config.hh"
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namespace nixC {
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TEST(nix_api_util, nix_version_get)
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{
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ASSERT_EQ(std::string(nix_version_get()), PACKAGE_VERSION);
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}
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struct MySettings : nix::Config
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{
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nix::Setting<std::string> settingSet{this, "empty", "setting-name", "Description"};
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};
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MySettings mySettings;
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static nix::GlobalConfig::Register rs(&mySettings);
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TEST_F(nix_api_util_context, nix_setting_get)
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{
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ASSERT_EQ(nix_err_code(ctx), NIX_OK);
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std::string setting_value;
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nix_err result = nix_setting_get(ctx, "invalid-key", OBSERVE_STRING(setting_value));
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ASSERT_EQ(result, NIX_ERR_KEY);
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result = nix_setting_get(ctx, "setting-name", OBSERVE_STRING(setting_value));
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ASSERT_EQ(result, NIX_OK);
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ASSERT_STREQ("empty", setting_value.c_str());
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}
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TEST_F(nix_api_util_context, nix_setting_set)
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{
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nix_err result = nix_setting_set(ctx, "invalid-key", "new-value");
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ASSERT_EQ(result, NIX_ERR_KEY);
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result = nix_setting_set(ctx, "setting-name", "new-value");
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ASSERT_EQ(result, NIX_OK);
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std::string setting_value;
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result = nix_setting_get(ctx, "setting-name", OBSERVE_STRING(setting_value));
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ASSERT_EQ(result, NIX_OK);
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ASSERT_STREQ("new-value", setting_value.c_str());
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}
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TEST_F(nix_api_util_context, nix_err_msg)
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{
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// no error
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EXPECT_THROW(nix_err_msg(nullptr, ctx, NULL), nix::Error);
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// set error
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nix_set_err_msg(ctx, NIX_ERR_UNKNOWN, "unknown test error");
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// basic usage
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std::string err_msg = nix_err_msg(NULL, ctx, NULL);
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ASSERT_EQ(err_msg, "unknown test error");
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// advanced usage
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unsigned int sz;
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auto new_ctx = createOwnedNixContext();
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err_msg = nix_err_msg(new_ctx.get(), ctx, &sz);
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ASSERT_EQ(sz, err_msg.size());
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}
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TEST_F(nix_api_util_context, nix_err_code)
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{
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ASSERT_EQ(nix_err_code(ctx), NIX_OK);
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nix_set_err_msg(ctx, NIX_ERR_UNKNOWN, "unknown test error");
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ASSERT_EQ(nix_err_code(ctx), NIX_ERR_UNKNOWN);
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}
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} // namespace nixC
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