1 files changed, 221 insertions, 0 deletions
diff --git a/src/formats/logfmt/logfmt.parser.test.cc b/src/formats/logfmt/logfmt.parser.test.cc
new file mode 100644
index 0000000..2193bfe
--- /dev/null
+++ b/src/formats/logfmt/logfmt.parser.test.cc
@@ -0,0 +1,221 @@
+/**
+ * Copyright (c) 2021, Timothy Stack
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither the name of Timothy Stack nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @file logfmt.parser.test.cc
+ */
+
+#include "config.h"
+
+#include <iostream>
+
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include "doctest/doctest.h"
+
+#include "logfmt.parser.hh"
+
+TEST_CASE("basic")
+{
+    static const char *line = "abc=def ghi=\"1 2 3 4\" time=333 empty1= tf=true empty2=";
+
+    auto p = logfmt::parser{string_fragment{line}};
+
+    auto pair1 = p.step();
+
+    CHECK(pair1.is<logfmt::parser::kvpair>());
+    CHECK(pair1.get<logfmt::parser::kvpair>().first == "abc");
+    CHECK(pair1.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::unquoted_value>().uv_value == "def");
+
+    auto pair2 = p.step();
+
+    CHECK(pair2.is<logfmt::parser::kvpair>());
+    CHECK(pair2.get<logfmt::parser::kvpair>().first == "ghi");
+    CHECK(pair2.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::quoted_value>().qv_value == "\"1 2 3 4\"");
+
+    auto pair3 = p.step();
+
+    CHECK(pair3.is<logfmt::parser::kvpair>());
+    CHECK(pair3.get<logfmt::parser::kvpair>().first == "time");
+    CHECK(pair3.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::int_value>().iv_value == 333);
+
+    auto pair4 = p.step();
+
+    CHECK(pair4.is<logfmt::parser::kvpair>());
+    CHECK(pair4.get<logfmt::parser::kvpair>().first == "empty1");
+    CHECK(pair4.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::unquoted_value>().uv_value == "");
+
+    auto pair5 = p.step();
+
+    CHECK(pair5.is<logfmt::parser::kvpair>());
+    CHECK(pair5.get<logfmt::parser::kvpair>().first == "tf");
+    CHECK(pair5.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::bool_value>().bv_value);
+
+    auto pair6 = p.step();
+
+    CHECK(pair6.is<logfmt::parser::kvpair>());
+    CHECK(pair6.get<logfmt::parser::kvpair>().first == "empty2");
+    CHECK(pair6.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::unquoted_value>().uv_value == "");
+
+    auto eoi = p.step();
+    CHECK(eoi.is<logfmt::parser::end_of_input>());
+}
+
+TEST_CASE("floats")
+{
+    static const char *line = "f1=1.0 f2=-2.0 f3=1.2e3 f4=1.2e-2 f5=2e1 f6=2e+1";
+
+    auto p = logfmt::parser{string_fragment{line}};
+
+    auto pair1 = p.step();
+
+    CHECK(pair1.is<logfmt::parser::kvpair>());
+    CHECK(pair1.get<logfmt::parser::kvpair>().first == "f1");
+    CHECK(pair1.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::float_value>().fv_value == 1.0);
+
+    auto pair2 = p.step();
+
+    CHECK(pair2.is<logfmt::parser::kvpair>());
+    CHECK(pair2.get<logfmt::parser::kvpair>().first == "f2");
+    CHECK(pair2.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::float_value>().fv_value == -2.0);
+
+    auto pair3 = p.step();
+
+    CHECK(pair3.is<logfmt::parser::kvpair>());
+    CHECK(pair3.get<logfmt::parser::kvpair>().first == "f3");
+    CHECK(pair3.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::float_value>().fv_value == 1200);
+
+    auto pair4 = p.step();
+
+    CHECK(pair4.is<logfmt::parser::kvpair>());
+    CHECK(pair4.get<logfmt::parser::kvpair>().first == "f4");
+    CHECK(pair4.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::float_value>().fv_value == 0.012);
+
+    auto pair5 = p.step();
+
+    CHECK(pair5.is<logfmt::parser::kvpair>());
+    CHECK(pair5.get<logfmt::parser::kvpair>().first == "f5");
+    CHECK(pair5.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::float_value>().fv_value == 20);
+
+    auto pair6 = p.step();
+
+    CHECK(pair6.is<logfmt::parser::kvpair>());
+    CHECK(pair6.get<logfmt::parser::kvpair>().first == "f6");
+    CHECK(pair6.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::float_value>().fv_value == 20);
+}
+
+TEST_CASE("bad floats")
+{
+    static const char *line = "bf1=- bf2=-1.2e bf3=1.2.3 bf4=1e2e4";
+
+    auto p = logfmt::parser{string_fragment{line}};
+
+    auto pair1 = p.step();
+
+    CHECK(pair1.is<logfmt::parser::kvpair>());
+    CHECK(pair1.get<logfmt::parser::kvpair>().first == "bf1");
+    CHECK(pair1.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::unquoted_value>().uv_value == "-");
+
+    auto pair2 = p.step();
+
+    CHECK(pair2.is<logfmt::parser::kvpair>());
+    CHECK(pair2.get<logfmt::parser::kvpair>().first == "bf2");
+    CHECK(pair2.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::unquoted_value>().uv_value == "-1.2e");
+
+    auto pair3 = p.step();
+
+    CHECK(pair3.is<logfmt::parser::kvpair>());
+    CHECK(pair3.get<logfmt::parser::kvpair>().first == "bf3");
+    CHECK(pair3.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::unquoted_value>().uv_value == "1.2.3");
+
+    auto pair4 = p.step();
+
+    CHECK(pair4.is<logfmt::parser::kvpair>());
+    CHECK(pair4.get<logfmt::parser::kvpair>().first == "bf4");
+    CHECK(pair4.get<logfmt::parser::kvpair>().second
+              .get<logfmt::parser::unquoted_value>().uv_value == "1e2e4");
+}
+
+TEST_CASE("non-terminated string")
+{
+    static const char *line = "abc=\"12 2";
+
+    auto p = logfmt::parser{string_fragment{line}};
+    auto pair1 = p.step();
+
+    CHECK(pair1.is<logfmt::parser::error>());
+    CHECK(pair1.get<logfmt::parser::error>().e_offset == 9);
+    CHECK(pair1.get<logfmt::parser::error>().e_msg == "non-terminated string");
+}
+
+TEST_CASE("missing equals")
+{
+    static const char *line = "abc";
+
+    auto p = logfmt::parser{string_fragment{line}};
+    auto pair1 = p.step();
+
+    CHECK(pair1.is<logfmt::parser::error>());
+    CHECK(pair1.get<logfmt::parser::error>().e_offset == 3);
+    CHECK(pair1.get<logfmt::parser::error>().e_msg == "expecting '='");
+}
+
+TEST_CASE("missing key")
+{
+    static const char *line = "=def";
+
+    auto p = logfmt::parser{string_fragment{line}};
+    auto pair1 = p.step();
+
+    CHECK(pair1.is<logfmt::parser::error>());
+    CHECK(pair1.get<logfmt::parser::error>().e_offset == 0);
+    CHECK(pair1.get<logfmt::parser::error>().e_msg == "expecting key followed by '='");
+}
+
+TEST_CASE("empty")
+{
+    static const char *line = "";
+
+    auto p = logfmt::parser{string_fragment{line}};
+    auto pair1 = p.step();
+
+    CHECK(pair1.is<logfmt::parser::end_of_input>());
+}