1 files changed, 257 insertions, 0 deletions
diff --git a/third_party/nix/src/tests/value-to-json.cc b/third_party/nix/src/tests/value-to-json.cc
new file mode 100644
index 000000000000..45427425306f
--- /dev/null
+++ b/third_party/nix/src/tests/value-to-json.cc
@@ -0,0 +1,257 @@
+#include "libexpr/value-to-json.hh"
+
+#include <set>
+#include <sstream>
+
+#include <gtest/gtest.h>
+
+#include "libexpr/value-to-xml.hh"
+#include "libexpr/value.hh"
+#include "libstore/store-api.hh"
+#include "tests/dummy-store.hh"
+
+class ValueTest : public ::testing::Test {
+ protected:
+  static void SetUpTestCase() { nix::expr::InitGC(); }
+
+  static void TearDownTestCase() {}
+};
+
+class JSONValueTest : public ValueTest {};
+class XMLValueTest : public ValueTest {};
+
+namespace nix {
+
+using nix::tests::DummyStore;
+
+TEST_F(JSONValueTest, null) {
+  std::stringstream ss;
+  Value v;
+  PathSet ps;
+  std::shared_ptr<Store> store = std::make_shared<DummyStore>();
+  EvalState s({}, ref<Store>(store));
+
+  mkNull(v);
+  printValueAsJSON(s, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), "null");
+}
+
+TEST_F(JSONValueTest, BoolFalse) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkBool(v, false);
+  printValueAsJSON(s, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), "false");
+}
+
+TEST_F(JSONValueTest, BoolTrue) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkBool(v, true);
+  printValueAsJSON(s, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), "true");
+}
+
+TEST_F(JSONValueTest, IntPositive) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkInt(v, 100);
+  printValueAsJSON(s, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), "100");
+}
+
+TEST_F(JSONValueTest, IntNegative) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkInt(v, -100);
+  printValueAsJSON(s, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), "-100");
+}
+
+TEST_F(JSONValueTest, String) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkString(v, "test");
+  printValueAsJSON(s, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), "\"test\"");
+}
+
+TEST_F(JSONValueTest, StringQuotes) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkString(v, "test\"");
+  printValueAsJSON(s, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), "\"test\\\"\"");
+}
+
+TEST_F(JSONValueTest, Path) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkPathNoCopy(v, "/exists-for-tests");
+  printValueAsJSON(s, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), "\"/nix/store/g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-x\"");
+}
+
+TEST_F(JSONValueTest, PathNoCopy) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkPathNoCopy(v, "/exists-for-tests");
+  printValueAsJSON(s, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), "\"/nix/store/g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-x\"");
+}
+
+/*
+ * Value to XMl tests
+ */
+
+#define XML(v) \
+  ("<?xml version='1.0' encoding='utf-8'?>\n<expr>\n" v "\n</expr>\n")
+
+TEST_F(XMLValueTest, null) {
+  std::stringstream ss;
+  Value v;
+  PathSet ps;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({}, ref<Store>(store));
+
+  mkNull(v);
+  printValueAsXML(s, true, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), XML("  <null />"));
+}
+
+TEST_F(XMLValueTest, BoolFalse) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkBool(v, false);
+  printValueAsXML(s, true, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), XML("  <bool value=\"false\" />"));
+}
+
+TEST_F(XMLValueTest, BoolTrue) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkBool(v, true);
+  printValueAsXML(s, true, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), XML("  <bool value=\"true\" />"));
+}
+
+TEST_F(XMLValueTest, IntPositive) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkInt(v, 100);
+  printValueAsXML(s, true, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), XML("  <int value=\"100\" />"));
+}
+
+TEST_F(XMLValueTest, IntNegative) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkInt(v, -100);
+  printValueAsXML(s, true, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), XML("  <int value=\"-100\" />"));
+}
+
+TEST_F(XMLValueTest, String) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkString(v, "test-value");
+  printValueAsXML(s, true, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), XML("  <string value=\"test-value\" />"));
+}
+
+TEST_F(XMLValueTest, StringQuotes) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkString(v, "test-value\"");
+  printValueAsXML(s, true, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), XML("  <string value=\"test-value&quot;\" />"));
+}
+
+/*
+ * FIXME: This function returns the original input path while the JSON version
+ * of the same actually touches the store to create a /nix/store path.
+ */
+TEST_F(XMLValueTest, Path) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkPath(v, "some-path");
+  printValueAsXML(s, true, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), XML("  <path value=\"some-path\" />"));
+}
+
+/*
+ * FIXME: This function returns the original input path while the JSON version
+ * of the same actually touches the store to create a /nix/store path.
+ */
+TEST_F(XMLValueTest, PathNoCopy) {
+  std::stringstream ss;
+  auto store = std::make_shared<DummyStore>();
+  EvalState s({"."}, ref<Store>(store));
+  Value v;
+  PathSet ps;
+
+  mkPathNoCopy(v, "some-other-path");
+  printValueAsXML(s, true, true, v, ss, ps);
+  ASSERT_EQ(ss.str(), XML("  <path value=\"some-other-path\" />"));
+}
+}  // namespace nix