Run all C++ tests from a single executable (#3582)

test/tdb2_test.cpp

@@ -0,0 +1,136 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2006 - 2021, Tomas Babej, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// https://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include <cmake.h>
+// cmake.h include header must come first
+
+#include <main.h>
+#include <stdlib.h>
+#include <test.h>
+#include <unistd.h>
+
+#include <iostream>
+
+namespace {
+
+void cleardb() {
+  // Remove any residual test files.
+  rmdir("./extensions");
+  unlink("./taskchampion.sqlite3");
+}
+
+}  // namespace
+
+////////////////////////////////////////////////////////////////////////////////
+int TEST_NAME(int, char**) {
+  UnitTest t(12);
+  Context context;
+  Context::setContext(&context);
+
+  // Ensure environment has no influence.
+  unsetenv("TASKDATA");
+  unsetenv("TASKRC");
+
+  try {
+    cleardb();
+
+    // Set the context to allow GC.
+    context.config.set("gc", 1);
+    context.config.set("debug", 1);
+
+    context.tdb2.open_replica(".", true);
+
+    // Try reading an empty database.
+    std::vector<Task> pending = context.tdb2.pending_tasks();
+    std::vector<Task> completed = context.tdb2.completed_tasks();
+    int num_reverts_possible = context.tdb2.num_reverts_possible();
+    int num_local_changes = context.tdb2.num_local_changes();
+
+    t.is((int)pending.size(), 0, "TDB2 Read empty pending");
+    t.is((int)completed.size(), 0, "TDB2 Read empty completed");
+    t.is((int)num_reverts_possible, 0, "TDB2 Read empty undo");
+    t.is((int)num_local_changes, 0, "TDB2 Read empty backlog");
+
+    // Add a task.
+    Task task(R"([description:"description" name:"value"])");
+    context.tdb2.add(task);
+
+    pending = context.tdb2.pending_tasks();
+    completed = context.tdb2.completed_tasks();
+    num_reverts_possible = context.tdb2.num_reverts_possible();
+    num_local_changes = context.tdb2.num_local_changes();
+
+    t.is((int)pending.size(), 1, "TDB2 after add, 1 pending task");
+    t.is((int)completed.size(), 0, "TDB2 after add, 0 completed tasks");
+    t.is((int)num_reverts_possible, 1, "TDB2 after add, 1 revert possible");
+    t.is((int)num_local_changes, 6, "TDB2 after add, 6 local changes");
+
+    task.set("description", "This is a test");
+    context.tdb2.modify(task);
+
+    pending = context.tdb2.pending_tasks();
+    completed = context.tdb2.completed_tasks();
+    num_reverts_possible = context.tdb2.num_reverts_possible();
+    num_local_changes = context.tdb2.num_local_changes();
+
+    t.is((int)pending.size(), 1, "TDB2 after set, 1 pending task");
+    t.is((int)completed.size(), 0, "TDB2 after set, 0 completed tasks");
+    t.is((int)num_reverts_possible, 1, "TDB2 after set, 1 revert possible");
+
+    // At this point, there may be 7 or 8 local changes, depending on whether
+    // the `modified` property changed between the `add` and `modify`
+    // invocation. That only happens if the clock ticks over to the next second
+    // between those invocations.
+    t.ok(num_local_changes == 7 || num_local_changes == 8, "TDB2 after set, 7 or 8 local changes");
+
+    // Reset for reuse.
+    cleardb();
+    context.tdb2.open_replica(".", true);
+
+    // TODO complete a task
+    // TODO gc
+  }
+
+  catch (const std::string& error) {
+    t.diag(error);
+    return -1;
+  }
+
+  catch (...) {
+    t.diag("Unknown error.");
+    return -2;
+  }
+
+  rmdir("./extensions");
+  unlink("./pending.data");
+  unlink("./completed.data");
+  unlink("./undo.data");
+  unlink("./backlog.data");
+
+  return 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////