--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/UnitTestsSources/DatabaseLookupTests.cpp	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,279 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2020 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "PrecompiledHeadersUnitTests.h"
+#include "gtest/gtest.h"
+
+#include "../OrthancServer/Search/DatabaseLookup.h"
+#include "../Core/OrthancException.h"
+
+using namespace Orthanc;
+
+
+TEST(DatabaseLookup, SingleConstraint)
+{
+  {
+    ASSERT_THROW(DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_Equal, 
+                                        "HEL*LO", true, true), OrthancException);
+    ASSERT_THROW(DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_Equal,
+                                        "HEL?LO", true, true), OrthancException);
+    ASSERT_THROW(DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_Equal,
+                                        true, true), OrthancException);
+
+    DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_Equal, "HELLO", true, true);
+    ASSERT_TRUE(tag.IsMatch("HELLO"));
+    ASSERT_FALSE(tag.IsMatch("hello"));
+
+    ASSERT_TRUE(tag.IsCaseSensitive());
+    ASSERT_EQ(ConstraintType_Equal, tag.GetConstraintType());
+
+    DicomMap m;
+    ASSERT_FALSE(tag.IsMatch(m));
+    m.SetNullValue(DICOM_TAG_PATIENT_NAME);
+    ASSERT_FALSE(tag.IsMatch(m));
+    m.SetValue(DICOM_TAG_PATIENT_NAME, "HELLO", true /* binary */);
+    ASSERT_FALSE(tag.IsMatch(m));
+    m.SetValue(DICOM_TAG_PATIENT_NAME, "HELLO", false /* string */);
+    ASSERT_TRUE(tag.IsMatch(m));
+  }
+
+  {
+    DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_Equal, "HELlo", false, true);
+    ASSERT_TRUE(tag.IsMatch("HELLO"));
+    ASSERT_TRUE(tag.IsMatch("hello"));
+
+    ASSERT_EQ("HELlo", tag.GetValue());
+  }
+
+  {
+    DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_Wildcard, "HE*L?O", true, true);
+    ASSERT_TRUE(tag.IsMatch("HELLO"));
+    ASSERT_TRUE(tag.IsMatch("HELLLLLO"));
+    ASSERT_TRUE(tag.IsMatch("HELxO"));
+    ASSERT_FALSE(tag.IsMatch("hello"));
+  }
+
+  {
+    DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_Wildcard, "HE*l?o", false, true);
+    ASSERT_TRUE(tag.IsMatch("HELLO"));
+    ASSERT_TRUE(tag.IsMatch("HELLLLLO"));
+    ASSERT_TRUE(tag.IsMatch("HELxO"));
+    ASSERT_TRUE(tag.IsMatch("hello"));
+
+    ASSERT_FALSE(tag.IsCaseSensitive());
+    ASSERT_EQ(ConstraintType_Wildcard, tag.GetConstraintType());
+  }
+
+  {
+    DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_SmallerOrEqual, "123", true, true);
+    ASSERT_TRUE(tag.IsMatch("120"));
+    ASSERT_TRUE(tag.IsMatch("123"));
+    ASSERT_FALSE(tag.IsMatch("124"));
+    ASSERT_TRUE(tag.IsMandatory());
+  }
+
+  {
+    DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_GreaterOrEqual, "123", true, false);
+    ASSERT_FALSE(tag.IsMatch("122"));
+    ASSERT_TRUE(tag.IsMatch("123"));
+    ASSERT_TRUE(tag.IsMatch("124"));
+    ASSERT_FALSE(tag.IsMandatory());
+  }
+
+  {
+    DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_List, true, true);
+    ASSERT_FALSE(tag.IsMatch("CT"));
+    ASSERT_FALSE(tag.IsMatch("MR"));
+
+    tag.AddValue("CT");
+    ASSERT_TRUE(tag.IsMatch("CT"));
+    ASSERT_FALSE(tag.IsMatch("MR"));
+
+    tag.AddValue("MR");
+    ASSERT_TRUE(tag.IsMatch("CT"));
+    ASSERT_TRUE(tag.IsMatch("MR"));
+    ASSERT_FALSE(tag.IsMatch("ct"));
+    ASSERT_FALSE(tag.IsMatch("mr"));
+
+    ASSERT_THROW(tag.GetValue(), OrthancException);
+    ASSERT_EQ(2u, tag.GetValues().size());
+  }
+
+  {
+    DicomTagConstraint tag(DICOM_TAG_PATIENT_NAME, ConstraintType_List, false, true);
+
+    tag.AddValue("ct");
+    tag.AddValue("mr");
+
+    ASSERT_TRUE(tag.IsMatch("CT"));
+    ASSERT_TRUE(tag.IsMatch("MR"));
+    ASSERT_TRUE(tag.IsMatch("ct"));
+    ASSERT_TRUE(tag.IsMatch("mr"));
+  }
+}
+
+
+
+TEST(DatabaseLookup, FromDicom)
+{
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_PATIENT_ID, "HELLO", true, true);
+    ASSERT_EQ(1u, lookup.GetConstraintsCount());
+    ASSERT_EQ(ConstraintType_Equal, lookup.GetConstraint(0).GetConstraintType());
+    ASSERT_EQ("HELLO", lookup.GetConstraint(0).GetValue());
+    ASSERT_TRUE(lookup.GetConstraint(0).IsCaseSensitive());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_PATIENT_ID, "HELLO", false, true);
+    ASSERT_EQ(1u, lookup.GetConstraintsCount());
+
+    // This is *not* a PN VR => "false" above is *not* used
+    ASSERT_TRUE(lookup.GetConstraint(0).IsCaseSensitive());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_PATIENT_NAME, "HELLO", true, true);
+    ASSERT_EQ(1u, lookup.GetConstraintsCount());
+    ASSERT_TRUE(lookup.GetConstraint(0).IsCaseSensitive());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_PATIENT_NAME, "HELLO", false, true);
+    ASSERT_EQ(1u, lookup.GetConstraintsCount());
+
+    // This is a PN VR => "false" above is used
+    ASSERT_FALSE(lookup.GetConstraint(0).IsCaseSensitive());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_SERIES_DESCRIPTION, "2012-2016", false, true);
+
+    // This is not a data VR
+    ASSERT_EQ(ConstraintType_Equal, lookup.GetConstraint(0).GetConstraintType());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_PATIENT_BIRTH_DATE, "2012-2016", false, true);
+
+    // This is a data VR => range is effective
+    ASSERT_EQ(2u, lookup.GetConstraintsCount());
+
+    ASSERT_TRUE(lookup.GetConstraint(0).GetConstraintType() != lookup.GetConstraint(1).GetConstraintType());
+
+    for (size_t i = 0; i < 2; i++)
+    {
+      ASSERT_TRUE(lookup.GetConstraint(i).GetConstraintType() == ConstraintType_SmallerOrEqual ||
+                  lookup.GetConstraint(i).GetConstraintType() == ConstraintType_GreaterOrEqual);
+    }
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_PATIENT_BIRTH_DATE, "2012-", false, true);
+
+    ASSERT_EQ(1u, lookup.GetConstraintsCount());
+    ASSERT_EQ(ConstraintType_GreaterOrEqual, lookup.GetConstraint(0).GetConstraintType());
+    ASSERT_EQ("2012", lookup.GetConstraint(0).GetValue());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_PATIENT_BIRTH_DATE, "-2016", false, true);
+
+    ASSERT_EQ(1u, lookup.GetConstraintsCount());
+    ASSERT_EQ(DICOM_TAG_PATIENT_BIRTH_DATE,  lookup.GetConstraint(0).GetTag());
+    ASSERT_EQ(ConstraintType_SmallerOrEqual, lookup.GetConstraint(0).GetConstraintType());
+    ASSERT_EQ("2016", lookup.GetConstraint(0).GetValue());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_MODALITIES_IN_STUDY, "CT\\MR", false, true);
+
+    ASSERT_EQ(1u, lookup.GetConstraintsCount());
+    ASSERT_EQ(DICOM_TAG_MODALITY,  lookup.GetConstraint(0).GetTag());
+    ASSERT_EQ(ConstraintType_List, lookup.GetConstraint(0).GetConstraintType());
+
+    const std::set<std::string>& values = lookup.GetConstraint(0).GetValues();
+    ASSERT_EQ(2u, values.size());
+    ASSERT_TRUE(values.find("CT") != values.end());
+    ASSERT_TRUE(values.find("MR") != values.end());
+    ASSERT_TRUE(values.find("nope") == values.end());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_STUDY_DESCRIPTION, "CT\\MR", false, true);
+
+    ASSERT_EQ(1u, lookup.GetConstraintsCount());
+    ASSERT_EQ(DICOM_TAG_STUDY_DESCRIPTION, lookup.GetConstraint(0).GetTag());
+    ASSERT_EQ(ConstraintType_List, lookup.GetConstraint(0).GetConstraintType());
+
+    const std::set<std::string>& values = lookup.GetConstraint(0).GetValues();
+    ASSERT_EQ(2u, values.size());
+    ASSERT_TRUE(values.find("CT") != values.end());
+    ASSERT_TRUE(values.find("MR") != values.end());
+    ASSERT_TRUE(values.find("nope") == values.end());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_STUDY_DESCRIPTION, "HE*O", false, true);
+
+    ASSERT_EQ(1u, lookup.GetConstraintsCount());
+    ASSERT_EQ(ConstraintType_Wildcard, lookup.GetConstraint(0).GetConstraintType());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_STUDY_DESCRIPTION, "HE?O", false, true);
+
+    ASSERT_EQ(1u, lookup.GetConstraintsCount());
+    ASSERT_EQ(ConstraintType_Wildcard, lookup.GetConstraint(0).GetConstraintType());
+  }
+
+  {
+    DatabaseLookup lookup;
+    lookup.AddDicomConstraint(DICOM_TAG_RELATED_FRAME_OF_REFERENCE_UID, "TEST", false, true);
+    lookup.AddDicomConstraint(DICOM_TAG_PATIENT_NAME, "TEST2", false, false);
+    ASSERT_TRUE(lookup.GetConstraint(0).IsMandatory());
+    ASSERT_FALSE(lookup.GetConstraint(1).IsMandatory());
+  }
+}