Fix example sentence filter

backend/FwLite/FwDataMiniLcmBridge/LexEntryFilterMapProvider.cs

@@ -17,7 +17,7 @@ public class LexEntryFilterMapProvider : EntryFilterMapProvider<ILexEntry>
             // ReSharper disable once ConvertClosureToMethodGroup
             .Select(domain => LcmHelpers.GetSemanticDomainCode(domain));
     public override Func<string, object>? EntrySensesSemanticDomainsConverter => EntryFilter.NormalizeEmptyToNullString<ICmSemanticDomain>;
-    public override Expression<Func<ILexEntry, object?>> EntrySensesExampleSentences => e => EmptyToNull(e.AllSenses.SelectMany(s => s.ExamplesOS));
+    public override Expression<Func<ILexEntry, object?>> EntrySensesExampleSentences => e => e.AllSenses.Select(s => EmptyToNull(s.ExamplesOS));
     public override Expression<Func<ILexEntry, string, object?>> EntrySensesExampleSentencesSentence => (entry, ws) =>
         entry.AllSenses.SelectMany(s => s.ExamplesOS).Select(example => example.PickText(example.Example, ws));
 

backend/FwLite/LcmCrdt/EntryFilterMapProvider.cs

@@ -13,7 +13,7 @@ public class EntryFilterMapProvider : EntryFilterMapProvider<Entry>
     public override Func<string, object>? EntrySensesSemanticDomainsConverter =>
         //linq2db treats Sense.SemanticDomains as a table, if we use "null" then it'll write the query we want
         EntryFilter.NormalizeEmptyToNullString<SemanticDomain>;
-    public override Expression<Func<Entry, object?>> EntrySensesExampleSentences => e => e.Senses.SelectMany(s => s.ExampleSentences);
+    public override Expression<Func<Entry, object?>> EntrySensesExampleSentences => e => e.Senses.Select(s => s.ExampleSentences);
     public override Expression<Func<Entry, string, object?>> EntrySensesExampleSentencesSentence =>
         (e, ws) => e.Senses.SelectMany(s => s.ExampleSentences).Select(example => Json.Value(example.Sentence, ms => ms[ws]));
     public override Expression<Func<Entry, object?>> EntrySensesPartOfSpeechId => e => e.Senses.Select(s => s.PartOfSpeechId);

backend/FwLite/MiniLcm.Tests/QueryEntryTestsBase.cs

@@ -5,6 +5,7 @@ public abstract class QueryEntryTestsBase : MiniLcmTestBase
     private readonly string Apple = "Apple";
     private readonly string Peach = "Peach";
     private readonly string Banana = "Banana";
+    private readonly string Kiwi = "Kiwi";
 
     public override async Task InitializeAsync()
     {
@@ -59,6 +60,27 @@ await Api.CreateEntry(new Entry()
                 }
             ]
         });
+        await Api.CreateEntry(new Entry()
+        {
+            LexemeForm = { { "en", Kiwi } },
+            Senses =
+            [
+                new()
+                {
+                    Gloss = { { "en", "Fruit" } },
+                    Definition = { { "en", "Fruit, fuzzy with green flesh" } },
+                    PartOfSpeechId = nounPos.Id,
+                    SemanticDomains = [semanticDomain],
+                    ExampleSentences =
+                    [
+                        new ExampleSentence()
+                        {
+                            Sentence = { { "en", "I like eating Kiwis, they taste good" } }
+                        },
+                    ]
+                }
+            ]
+        });
     }
 
     [Fact]
@@ -68,18 +90,28 @@ public async Task CanFilterToMissingSenses()
         results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Apple);
     }
 
+    [Fact]
+    public async Task CanFilterToNotMissingSenses()
+    {
+        var results = await Api.GetEntries(new(Filter: new() { GridifyFilter = "Senses!=null" })).ToArrayAsync();
+        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Kiwi, Peach, Banana);
+    }
+
     [Fact]
     public async Task CanFilterToMissingPartOfSpeech()
     {
         var results = await Api.GetEntries(new(Filter: new() { GridifyFilter = "Senses.PartOfSpeechId=null" })).ToArrayAsync();
+        //does not include entries with no senses
         results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Peach);
     }
 
     [Fact]
     public async Task CanFilterToMissingExamples()
     {
         var results = await Api.GetEntries(new(Filter: new() { GridifyFilter = "Senses.ExampleSentences=null" })).ToArrayAsync();
-        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo([Apple, Peach]);
+        //Senses.ExampleSentences=null matches entries which have senses but no examples
+        //it does not include Apple because it has no senses, to include it a filter Senses=null is needed
+        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Peach, Banana);
     }
 
     [Fact]
@@ -100,21 +132,21 @@ public async Task CanFilterToMissingSemanticDomainsWithEmptyArray()
     public async Task CanFilterSemanticDomainCodeContains()
     {
         var results = await Api.GetEntries(new(Filter: new() { GridifyFilter = "Senses.SemanticDomains.Code=*Fruit" })).ToArrayAsync();
-        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Banana);
+        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Banana, Kiwi);
     }
 
     [Fact]
     public async Task CanFilterToMissingComplexFormTypes()
     {
         var results = await Api.GetEntries(new(Filter: new() { GridifyFilter = "ComplexFormTypes=null" })).ToArrayAsync();
-        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Apple, Banana);
+        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Apple, Banana, Kiwi);
     }
 
     [Fact]
     public async Task CanFilterToMissingComplexFormTypesWithEmptyArray()
     {
         var results = await Api.GetEntries(new(Filter: new() { GridifyFilter = "ComplexFormTypes=[]" })).ToArrayAsync();
-        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Apple, Banana);
+        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Apple, Banana, Kiwi);
     }
 
     [Fact]
@@ -163,7 +195,7 @@ public async Task CanFilterGlossEmpty()
     public async Task CanFilterGlossEqualsFruit()
     {
         var results = await Api.GetEntries(new(Filter: new() { GridifyFilter = "Senses.Gloss[en]=Fruit" })).ToArrayAsync();
-        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Banana);
+        results.Select(e => e.LexemeForm["en"]).Should().BeEquivalentTo(Banana, Kiwi);
     }
 
     [Fact]