1 files changed, 133 insertions, 0 deletions
diff --git a/container-search/src/test/java/com/yahoo/search/searchers/ValidateFuzzySearcherTestCase.java b/container-search/src/test/java/com/yahoo/search/searchers/ValidateFuzzySearcherTestCase.java
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+++ b/container-search/src/test/java/com/yahoo/search/searchers/ValidateFuzzySearcherTestCase.java
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+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.searchers;
+
+import com.yahoo.config.subscription.ConfigGetter;
+import com.yahoo.prelude.IndexFacts;
+import com.yahoo.prelude.IndexModel;
+import com.yahoo.prelude.SearchDefinition;
+import com.yahoo.search.Query;
+import com.yahoo.search.Result;
+import com.yahoo.search.query.QueryTree;
+import com.yahoo.search.query.parser.Parsable;
+import com.yahoo.search.query.parser.ParserEnvironment;
+import com.yahoo.search.result.ErrorMessage;
+import com.yahoo.search.searchchain.Execution;
+import com.yahoo.search.yql.YqlParser;
+import com.yahoo.vespa.config.search.AttributesConfig.Attribute;
+import com.yahoo.vespa.config.search.AttributesConfig;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+/**
+ * @author alexeyche
+ */
+public class ValidateFuzzySearcherTestCase {
+    ValidateFuzzySearcher searcher;
+
+    List<String> attributes;
+
+    public ValidateFuzzySearcherTestCase() {
+        int i = 0;
+        attributes = new ArrayList<>();
+        StringBuilder attributeConfig = new StringBuilder();
+        for (Attribute.Datatype.Enum attr: Attribute.Datatype.Enum.values()) {
+            for (Attribute.Collectiontype.Enum ctype: Attribute.Collectiontype.Enum.values()) {
+                String attributeName = attr.name().toLowerCase() + "_" + ctype.name().toLowerCase();
+
+                attributeConfig.append("attribute[" + i + "].name ");
+                attributeConfig.append(attributeName);
+                attributeConfig.append("\n");
+
+                attributeConfig.append("attribute[" + i + "].datatype ");
+                attributeConfig.append(attr.name());
+                attributeConfig.append("\n");
+
+                attributeConfig.append("attribute[" + i + "].collectiontype ");
+                attributeConfig.append(ctype.name());
+                attributeConfig.append("\n");
+
+                i += 1;
+                attributes.add(attributeName);
+            }
+        }
+
+        searcher = new ValidateFuzzySearcher(ConfigGetter.getConfig(
+                AttributesConfig.class,
+                "raw: " +
+                        "attribute[" + attributes.size() + "]\n" +
+                        attributeConfig));
+    }
+
+    private String makeQuery(String attribute, String query, int maxEditDistance, int prefixLength) {
+        return "select * from sources * where " + attribute +
+                " contains ({maxEditDistance:" + maxEditDistance + ", prefixLength:" + prefixLength +"}" +
+                "fuzzy(\"" + query + "\"))";
+    }
+
+    private String makeQuery(String attribute, String query) {
+        return makeQuery(attribute, query, 2, 0);
+    }
+
+
+    @Test
+    public void testQueriesToAllAttributes() {
+        final Set<String> validAttributes = Set.of("string_single", "string_array", "string_weightedset");
+
+        for (String attribute: attributes) {
+            String q = makeQuery(attribute, "fuzzy");
+            Result r = doSearch(searcher, q);
+            if (validAttributes.contains(attribute)) {
+                assertNull(r.hits().getError());
+            } else {
+                assertErrMsg("FUZZY(fuzzy,2,0) " + attribute + ":fuzzy field is not a string attribute", r);
+            }
+        }
+    }
+
+    @Test
+    public void testInvalidEmptyStringQuery() {
+        String q = makeQuery("string_single", "");
+        Result r = doSearch(searcher, q);
+        assertErrMsg("FUZZY(,2,0) string_single: fuzzy query must be non-empty", r);
+    }
+
+    @Test
+    public void testInvalidQueryWrongMaxEditDistance() {
+        String q = makeQuery("string_single", "fuzzy", -1, 0);
+        Result r = doSearch(searcher, q);
+        assertErrMsg("FUZZY(fuzzy,-1,0) string_single:fuzzy has invalid maxEditDistance -1: Must be >= 0", r);
+    }
+
+    @Test
+    public void testInvalidQueryWrongPrefixLength() {
+        String q = makeQuery("string_single", "fuzzy", 2, -1);
+        Result r = doSearch(searcher, q);
+        assertErrMsg("FUZZY(fuzzy,2,-1) string_single:fuzzy has invalid prefixLength -1: Must be >= 0", r);
+    }
+
+    @Test
+    public void testInvalidQueryWrongAttributeName() {
+        String q = makeQuery("wrong_name", "fuzzy");
+        Result r = doSearch(searcher, q);
+        assertErrMsg("FUZZY(fuzzy,2,0) wrong_name:fuzzy field is not a string attribute", r);
+    }
+
+    private static void assertErrMsg(String message, Result r) {
+        assertEquals(ErrorMessage.createIllegalQuery(message), r.hits().getError());
+    }
+
+    private static Result doSearch(ValidateFuzzySearcher searcher, String yqlQuery) {
+        QueryTree queryTree = new YqlParser(new ParserEnvironment()).parse(new Parsable().setQuery(yqlQuery));
+        Query query = new Query();
+        query.getModel().getQueryTree().setRoot(queryTree.getRoot());
+        SearchDefinition searchDefinition = new SearchDefinition("document");
+        IndexFacts indexFacts = new IndexFacts(new IndexModel(searchDefinition));
+        return new Execution(searcher, Execution.Context.createContextStub(indexFacts)).search(query);
+    }
+}