mirror of
https://github.com/NixOS/nix.git
synced 2024-11-22 23:02:27 +00:00
100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
#include "nix_api_store.h"
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#include "nix_api_store_internal.h"
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#include "nix_api_util.h"
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#include "nix_api_util_internal.h"
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#include "nix_api_expr.h"
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#include "nix_api_value.h"
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#include "tests/nix_api_expr.hh"
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#include <gtest/gtest.h>
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namespace nixC {
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TEST_F(nix_api_expr_test, nix_expr_eval_from_string)
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{
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nix_expr_eval_from_string(nullptr, state, "builtins.nixVersion", ".", value);
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nix_value_force(nullptr, state, value);
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auto result = nix_get_string(nullptr, value);
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ASSERT_STREQ(PACKAGE_VERSION, result);
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}
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TEST_F(nix_api_expr_test, nix_expr_eval_add_numbers)
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{
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nix_expr_eval_from_string(nullptr, state, "1 + 1", ".", value);
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nix_value_force(nullptr, state, value);
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auto result = nix_get_int(nullptr, value);
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ASSERT_EQ(2, result);
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}
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TEST_F(nix_api_expr_test, nix_expr_eval_drv)
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{
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auto expr = R"(derivation { name = "myname"; builder = "mybuilder"; system = "mysystem"; })";
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nix_expr_eval_from_string(nullptr, state, expr, ".", value);
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ASSERT_EQ(NIX_TYPE_ATTRS, nix_get_type(nullptr, value));
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EvalState * stateFn = nix_state_create(nullptr, nullptr, store);
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Value * valueFn = nix_alloc_value(nullptr, state);
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nix_expr_eval_from_string(nullptr, stateFn, "builtins.toString", ".", valueFn);
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ASSERT_EQ(NIX_TYPE_FUNCTION, nix_get_type(nullptr, valueFn));
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EvalState * stateResult = nix_state_create(nullptr, nullptr, store);
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Value * valueResult = nix_alloc_value(nullptr, stateResult);
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nix_value_call(ctx, stateResult, valueFn, value, valueResult);
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ASSERT_EQ(NIX_TYPE_STRING, nix_get_type(nullptr, valueResult));
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const char * p = nix_get_string(nullptr, valueResult);
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ASSERT_STREQ("/nix/store/40s0qmrfb45vlh6610rk29ym318dswdr-myname", p);
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// Clean up
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nix_gc_decref(nullptr, valueFn);
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nix_state_free(stateFn);
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nix_gc_decref(nullptr, valueResult);
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nix_state_free(stateResult);
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}
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TEST_F(nix_api_expr_test, nix_build_drv)
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{
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auto expr = R"(derivation { name = "myname";
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system = builtins.currentSystem;
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builder = "/bin/sh";
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args = [ "-c" "echo foo > $out" ];
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})";
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nix_expr_eval_from_string(nullptr, state, expr, ".", value);
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Value * drvPathValue = nix_get_attr_byname(nullptr, value, state, "drvPath");
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const char * drvPath = nix_get_string(nullptr, drvPathValue);
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std::string p = drvPath;
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std::string pEnd = "-myname.drv";
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ASSERT_EQ(pEnd, p.substr(p.size() - pEnd.size()));
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StorePath * drvStorePath = nix_store_parse_path(ctx, store, drvPath);
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ASSERT_EQ(true, nix_store_is_valid_path(nullptr, store, drvStorePath));
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Value * outPathValue = nix_get_attr_byname(nullptr, value, state, "outPath");
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const char * outPath = nix_get_string(nullptr, outPathValue);
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p = outPath;
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pEnd = "-myname";
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ASSERT_EQ(pEnd, p.substr(p.size() - pEnd.size()));
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StorePath * outStorePath = nix_store_parse_path(ctx, store, outPath);
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ASSERT_EQ(false, nix_store_is_valid_path(nullptr, store, outStorePath));
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nix_store_build(ctx, store, drvStorePath, nullptr, nullptr);
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// TODO figure out why fails.
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// `make libexpr-tests_RUN` works, but `nix build .` fails
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/* auto is_valid_path = nix_store_is_valid_path(ctx, store, outStorePath); */
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/* ASSERT_EQ(true, is_valid_path); */
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// Clean up
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nix_store_path_free(drvStorePath);
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nix_store_path_free(outStorePath);
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}
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}
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