Add F# Postgres extension tests

src/Postgres/Extensions.fs

@@ -3,7 +3,7 @@ namespace BitBadger.Documents.Postgres
 open Npgsql
 open Npgsql.FSharp
 
-/// F# Extensions for the NpgsqlConnection type 
+/// F# Extensions for the NpgsqlConnection type
 [<AutoOpen>]
 module Extensions =
     

src/Tests.CSharp/PostgresDb.cs

@@ -1,4 +1,3 @@
-using BitBadger.Documents.Postgres;
 using Npgsql;
 using Npgsql.FSharp;
 using ThrowawayDb.Postgres;
@@ -12,8 +11,15 @@ public class ThrowawayPostgresDb : IDisposable, IAsyncDisposable
 {
     private readonly ThrowawayDatabase _db;
 
+    /// <summary>
+    /// The connection string for the throwaway database
+    /// </summary>
     public string ConnectionString => _db.ConnectionString;
     
+    /// <summary>
+    /// Constructor
+    /// </summary>
+    /// <param name="db">The throwaway database which this instance will wrap</param>
     public ThrowawayPostgresDb(ThrowawayDatabase db)
     {
         _db = db;

src/Tests/BitBadger.Documents.Tests.fsproj

@@ -8,6 +8,7 @@
     <Compile Include="CommonTests.fs" />
     <Compile Include="Types.fs" />
     <Compile Include="PostgresTests.fs" />
+    <Compile Include="PostgresExtensionTests.fs" />
     <Compile Include="SqliteTests.fs" />
     <Compile Include="SqliteExtensionTests.fs" />
     <Compile Include="Program.fs" />

src/Tests/PostgresExtensionTests.fs

@@ -0,0 +1,700 @@
+module PostgresExtensionTests
+
+open BitBadger.Documents
+open BitBadger.Documents.Postgres
+open BitBadger.Documents.Tests
+open Expecto
+open Npgsql
+open Types
+
+/// Open a connection to the throwaway database
+let private mkConn (db: ThrowawayPostgresDb) =
+    let conn = new NpgsqlConnection(db.ConnectionString)
+    conn.Open()
+    conn
+
+/// Integration tests for the F# extensions on the NpgsqlConnection data type
+let integrationTests =
+    let loadDocs (conn: NpgsqlConnection) = backgroundTask {
+        for doc in testDocuments do do! conn.insert PostgresDb.TableName doc
+    }
+    testList "Postgres.Extensions" [
+        testList "customList" [
+            testTask "succeeds when data is found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! docs = conn.customList (Query.selectFromTable PostgresDb.TableName) [] fromData<JsonDocument>
+                Expect.equal (List.length docs) 5 "There should have been 5 documents returned"
+            }
+            testTask "succeeds when data is not found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! docs =
+                    conn.customList
+                        $"SELECT data FROM {PostgresDb.TableName} WHERE data @? @path::jsonpath"
+                        [ "@path", Sql.string "$.NumValue ? (@ > 100)" ]
+                        fromData<JsonDocument>
+                Expect.isEmpty docs "There should have been no documents returned"
+            }
+        ]
+        testList "customSingle" [
+            testTask "succeeds when a row is found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc =
+                    conn.customSingle
+                        $"SELECT data FROM {PostgresDb.TableName} WHERE data ->> 'Id' = @id"
+                        [ "@id", Sql.string "one"]
+                        fromData<JsonDocument>
+                Expect.isSome doc "There should have been a document returned"
+                Expect.equal doc.Value.Id "one" "The incorrect document was returned"
+            }
+            testTask "succeeds when a row is not found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc =
+                    conn.customSingle
+                        $"SELECT data FROM {PostgresDb.TableName} WHERE data ->> 'Id' = @id"
+                        [ "@id", Sql.string "eighty" ]
+                        fromData<JsonDocument>
+                Expect.isNone doc "There should not have been a document returned"
+            }
+        ]
+        testList "customNonQuery" [
+            testTask "succeeds when operating on data" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.customNonQuery $"DELETE FROM {PostgresDb.TableName}" []
+
+                let! remaining = conn.countAll PostgresDb.TableName
+                Expect.equal remaining 0 "There should be no documents remaining in the table"
+            }
+            testTask "succeeds when no data matches where clause" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.customNonQuery
+                        $"DELETE FROM {PostgresDb.TableName} WHERE data @? @path::jsonpath"
+                        [ "@path", Sql.string "$.NumValue ? (@ > 100)" ]
+
+                let! remaining = conn.countAll PostgresDb.TableName
+                Expect.equal remaining 5 "There should be 5 documents remaining in the table"
+            }
+        ]
+        testTask "scalar succeeds" {
+            use  db   = PostgresDb.BuildDb()
+            use  conn = mkConn db
+            let! nbr  = conn.customScalar "SELECT 5 AS test_value" [] (fun row -> row.int "test_value")
+            Expect.equal nbr 5 "The query should have returned the number 5"
+        }
+        testTask "ensureTable succeeds" {
+            use db   = PostgresDb.BuildDb()
+            use conn = mkConn db
+            let tableExists () =
+                conn.customScalar "SELECT EXISTS (SELECT 1 FROM pg_class WHERE relname = 'ensured') AS it" [] toExists
+            let keyExists () =
+                conn.customScalar
+                    "SELECT EXISTS (SELECT 1 FROM pg_class WHERE relname = 'idx_ensured_key') AS it" [] toExists
+            
+            let! exists     = tableExists ()
+            let! alsoExists = keyExists   ()
+            Expect.isFalse exists     "The table should not exist already"
+            Expect.isFalse alsoExists "The key index should not exist already"
+
+            do! conn.ensureTable "ensured"
+            let! exists'     = tableExists ()
+            let! alsoExists' = keyExists   ()
+            Expect.isTrue exists'    "The table should now exist"
+            Expect.isTrue alsoExists' "The key index should now exist"
+        }
+        testTask "ensureDocumentIndex succeeds" {
+            use db   = PostgresDb.BuildDb()
+            use conn = mkConn db
+            let indexExists () =
+                conn.customScalar
+                    "SELECT EXISTS (SELECT 1 FROM pg_class WHERE relname = 'idx_ensured_document') AS it" [] toExists
+            
+            let! exists = indexExists ()
+            Expect.isFalse exists "The index should not exist already"
+
+            do! conn.ensureTable         "ensured"
+            do! conn.ensureDocumentIndex "ensured" Optimized
+            let! exists' = indexExists ()
+            Expect.isTrue exists' "The index should now exist"
+        }
+        testTask "ensureFieldIndex succeeds" {
+            use db   = PostgresDb.BuildDb()
+            use conn = mkConn db
+            let indexExists () =
+                conn.customScalar
+                    "SELECT EXISTS (SELECT 1 FROM pg_class WHERE relname = 'idx_ensured_test') AS it" [] toExists
+            
+            let! exists = indexExists ()
+            Expect.isFalse exists "The index should not exist already"
+
+            do! conn.ensureTable      "ensured"
+            do! conn.ensureFieldIndex "ensured" "test" [ "Id"; "Category" ]
+            let! exists' = indexExists ()
+            Expect.isTrue exists' "The index should now exist"
+        }
+        testList "insert" [
+            testTask "succeeds" {
+                use  db     = PostgresDb.BuildDb()
+                use  conn   = mkConn db
+                let! before = conn.countAll PostgresDb.TableName
+                Expect.equal before 0 "There should be no documents in the table"
+
+                let testDoc = { emptyDoc with Id = "turkey"; Sub = Some { Foo = "gobble"; Bar = "gobble" } }
+                do! conn.insert PostgresDb.TableName testDoc
+                let! after = conn.findAll<JsonDocument> PostgresDb.TableName
+                Expect.equal after [ testDoc ] "There should have been one document inserted"
+            }
+            testTask "fails for duplicate key" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! conn.insert PostgresDb.TableName { emptyDoc with Id = "test" }
+                Expect.throws
+                    (fun () ->
+                        conn.insert PostgresDb.TableName {emptyDoc with Id = "test" }
+                        |> Async.AwaitTask
+                        |> Async.RunSynchronously)
+                    "An exception should have been raised for duplicate document ID insert"
+            }
+        ]
+        testList "save" [
+            testTask "succeeds when a document is inserted" {
+                use  db     = PostgresDb.BuildDb()
+                use  conn   = mkConn db
+                let! before = conn.countAll PostgresDb.TableName
+                Expect.equal before 0 "There should be no documents in the table"
+
+                let testDoc = { emptyDoc with Id = "test"; Sub = Some { Foo = "a"; Bar = "b" } }
+                do! conn.save PostgresDb.TableName testDoc
+                let! after = conn.findAll<JsonDocument> PostgresDb.TableName
+                Expect.equal after [ testDoc ] "There should have been one document inserted"
+            }
+            testTask "succeeds when a document is updated" {
+                use db      = PostgresDb.BuildDb()
+                use conn    = mkConn db
+                let testDoc = { emptyDoc with Id = "test"; Sub = Some { Foo = "a"; Bar = "b" } }
+                do! conn.insert PostgresDb.TableName testDoc
+
+                let! before = conn.findById<string, JsonDocument> PostgresDb.TableName "test"
+                Expect.isSome before "There should have been a document returned"
+                Expect.equal before.Value testDoc "The document is not correct"
+
+                let upd8Doc = { testDoc with Sub = Some { Foo = "c"; Bar = "d" } }
+                do! conn.save PostgresDb.TableName upd8Doc
+                let! after = conn.findById<string, JsonDocument> PostgresDb.TableName "test"
+                Expect.isSome after "There should have been a document returned post-update"
+                Expect.equal after.Value upd8Doc "The updated document is not correct"
+            }
+        ]
+        testTask "countAll succeeds" {
+            use db   = PostgresDb.BuildDb()
+            use conn = mkConn db
+            do! loadDocs conn
+
+            let! theCount = conn.countAll PostgresDb.TableName
+            Expect.equal theCount 5 "There should have been 5 matching documents"
+        }
+        testTask "countByField succeeds" {
+            use db   = PostgresDb.BuildDb()
+            use conn = mkConn db
+            do! loadDocs conn
+            
+            let! theCount = conn.countByField PostgresDb.TableName "Value" EQ "purple"
+            Expect.equal theCount 2 "There should have been 2 matching documents"
+        }
+        testTask "countByContains succeeds" {
+            use db   = PostgresDb.BuildDb()
+            use conn = mkConn db
+            do! loadDocs conn
+
+            let! theCount = conn.countByContains PostgresDb.TableName {| Value = "purple" |}
+            Expect.equal theCount 2 "There should have been 2 matching documents"
+        }
+        testTask "countByJsonPath succeeds" {
+            use db   = PostgresDb.BuildDb()
+            use conn = mkConn db
+            do! loadDocs conn
+
+            let! theCount = conn.countByJsonPath PostgresDb.TableName "$.NumValue ? (@ > 5)"
+            Expect.equal theCount 3 "There should have been 3 matching documents"
+        }
+        testList "existsById" [
+            testTask "succeeds when a document exists" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! exists = conn.existsById PostgresDb.TableName "three"
+                Expect.isTrue exists "There should have been an existing document"
+            }
+            testTask "succeeds when a document does not exist" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! exists = conn.existsById PostgresDb.TableName "seven"
+                Expect.isFalse exists "There should not have been an existing document"
+            }
+        ]
+        testList "existsByField" [
+            testTask "succeeds when documents exist" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! exists = conn.existsByField PostgresDb.TableName "Sub" EX ""
+                Expect.isTrue exists "There should have been existing documents"
+            }
+            testTask "succeeds when documents do not exist" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! exists = conn.existsByField PostgresDb.TableName "NumValue" EQ "six"
+                Expect.isFalse exists "There should not have been existing documents"
+            }
+        ]
+        testList "existsByContains" [
+            testTask "succeeds when documents exist" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! exists = conn.existsByContains PostgresDb.TableName {| NumValue = 10 |}
+                Expect.isTrue exists "There should have been existing documents"
+            }
+            testTask "succeeds when no matching documents exist" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! exists = conn.existsByContains PostgresDb.TableName {| Nothing = "none" |}
+                Expect.isFalse exists "There should not have been any existing documents"
+            }
+        ]
+        testList "existsByJsonPath" [
+            testTask "succeeds when documents exist" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! exists = conn.existsByJsonPath PostgresDb.TableName """$.Sub.Foo ? (@ == "green")"""
+                Expect.isTrue exists "There should have been existing documents"
+            }
+            testTask "succeeds when no matching documents exist" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! exists = conn.existsByJsonPath PostgresDb.TableName "$.NumValue ? (@ > 1000)"
+                Expect.isFalse exists "There should not have been any existing documents"
+            }
+        ]
+        testList "findAll" [
+            testTask "succeeds when there is data" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+
+                do! conn.insert PostgresDb.TableName { Foo = "one"; Bar = "two" }
+                do! conn.insert PostgresDb.TableName { Foo = "three"; Bar = "four" }
+                do! conn.insert PostgresDb.TableName { Foo = "five"; Bar = "six" }
+
+                let! results = conn.findAll<SubDocument> PostgresDb.TableName
+                let expected = [
+                    { Foo = "one"; Bar = "two" }
+                    { Foo = "three"; Bar = "four" }
+                    { Foo = "five"; Bar = "six" }
+                ]
+                Expect.equal results expected "There should have been 3 documents returned"
+            }
+            testTask "succeeds when there is no data" {
+                use  db      = PostgresDb.BuildDb()
+                use  conn    = mkConn db
+                let! results = conn.findAll<SubDocument> PostgresDb.TableName
+                Expect.equal results [] "There should have been no documents returned"
+            }
+        ]
+        testList "findById" [
+            testTask "succeeds when a document is found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findById<string, JsonDocument> PostgresDb.TableName "two"
+                Expect.isSome doc "There should have been a document returned"
+                Expect.equal doc.Value.Id "two" "The incorrect document was returned"
+            }
+            testTask "succeeds when a document is not found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findById<string, JsonDocument> PostgresDb.TableName "three hundred eighty-seven"
+                Expect.isNone doc "There should not have been a document returned"
+            }
+        ]
+        testList "findByField" [
+            testTask "succeeds when documents are found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! docs = conn.findByField<JsonDocument> PostgresDb.TableName "Value" EQ "another"
+                Expect.equal (List.length docs) 1 "There should have been one document returned"
+            }
+            testTask "succeeds when documents are not found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! docs = conn.findByField<JsonDocument> PostgresDb.TableName "Value" EQ "mauve"
+                Expect.isEmpty docs "There should have been no documents returned"
+            }
+        ]
+        testList "findByContains" [
+            testTask "succeeds when documents are found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! docs = conn.findByContains<JsonDocument> PostgresDb.TableName {| Sub = {| Foo = "green" |} |}
+                Expect.equal (List.length docs) 2 "There should have been two documents returned"
+            }
+            testTask "succeeds when documents are not found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! docs = conn.findByContains<JsonDocument> PostgresDb.TableName {| Value = "mauve" |}
+                Expect.isEmpty docs "There should have been no documents returned"
+            }
+        ]
+        testList "findByJsonPath" [
+            testTask "succeeds when documents are found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! docs = conn.findByJsonPath<JsonDocument> PostgresDb.TableName "$.NumValue ? (@ < 15)"
+                Expect.equal (List.length docs) 3 "There should have been 3 documents returned"
+            }
+            testTask "succeeds when documents are not found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! docs = conn.findByJsonPath<JsonDocument> PostgresDb.TableName "$.NumValue ? (@ < 0)"
+                Expect.isEmpty docs "There should have been no documents returned"
+            }
+        ]
+        testList "findFirstByField" [
+            testTask "succeeds when a document is found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findFirstByField<JsonDocument> PostgresDb.TableName "Value" EQ "another"
+                Expect.isSome doc "There should have been a document returned"
+                Expect.equal doc.Value.Id "two" "The incorrect document was returned"
+            }
+            testTask "succeeds when multiple documents are found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findFirstByField<JsonDocument> PostgresDb.TableName "Value" EQ "purple"
+                Expect.isSome doc "There should have been a document returned"
+                Expect.contains [ "five"; "four" ] doc.Value.Id "An incorrect document was returned"
+            }
+            testTask "succeeds when a document is not found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findFirstByField<JsonDocument> PostgresDb.TableName "Value" EQ "absent"
+                Expect.isNone doc "There should not have been a document returned"
+            }
+        ]
+        testList "findFirstByContains" [
+            testTask "succeeds when a document is found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findFirstByContains<JsonDocument> PostgresDb.TableName {| Value = "another" |}
+                Expect.isSome doc "There should have been a document returned"
+                Expect.equal doc.Value.Id "two" "The incorrect document was returned"
+            }
+            testTask "succeeds when multiple documents are found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findFirstByContains<JsonDocument> PostgresDb.TableName {| Sub = {| Foo = "green" |} |}
+                Expect.isSome doc "There should have been a document returned"
+                Expect.contains [ "two"; "four" ] doc.Value.Id "An incorrect document was returned"
+            }
+            testTask "succeeds when a document is not found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findFirstByContains<JsonDocument> PostgresDb.TableName {| Value = "absent" |}
+                Expect.isNone doc "There should not have been a document returned"
+            }
+        ]
+        testList "findFirstByJsonPath" [
+            testTask "succeeds when a document is found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findFirstByJsonPath<JsonDocument> PostgresDb.TableName """$.Value ? (@ == "FIRST!")"""
+                Expect.isSome doc "There should have been a document returned"
+                Expect.equal doc.Value.Id "one" "The incorrect document was returned"
+            }
+            testTask "succeeds when multiple documents are found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findFirstByJsonPath<JsonDocument> PostgresDb.TableName """$.Sub.Foo ? (@ == "green")"""
+                Expect.isSome doc "There should have been a document returned"
+                Expect.contains [ "two"; "four" ] doc.Value.Id "An incorrect document was returned"
+            }
+            testTask "succeeds when a document is not found" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let! doc = conn.findFirstByJsonPath<JsonDocument> PostgresDb.TableName """$.Id ? (@ == "nope")"""
+                Expect.isNone doc "There should not have been a document returned"
+            }
+        ]
+        testList "updateFull" [
+            testTask "succeeds when a document is updated" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                let testDoc = { emptyDoc with Id = "one"; Sub = Some { Foo = "blue"; Bar = "red" } }
+                do! conn.updateFull PostgresDb.TableName "one" testDoc
+                let! after = conn.findById<string, JsonDocument> PostgresDb.TableName "one"
+                Expect.isSome after "There should have been a document returned post-update"
+                Expect.equal after.Value testDoc "The updated document is not correct"
+            }
+            testTask "succeeds when no document is updated" {
+                use  db     = PostgresDb.BuildDb()
+                use  conn   = mkConn db
+                let! before = conn.countAll PostgresDb.TableName
+                Expect.equal before 0 "There should have been no documents returned"
+                
+                // This not raising an exception is the test
+                do! conn.updateFull
+                        PostgresDb.TableName "test" { emptyDoc with Id = "x"; Sub = Some { Foo = "blue"; Bar = "red" } }
+            }
+        ]
+        testList "updateFullFunc" [
+            testTask "succeeds when a document is updated" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.updateFullFunc
+                        PostgresDb.TableName (_.Id) { Id = "one"; Value = "le un"; NumValue = 1; Sub = None }
+                let! after = conn.findById<string, JsonDocument> PostgresDb.TableName "one"
+                Expect.isSome after "There should have been a document returned post-update"
+                Expect.equal
+                    after.Value
+                    { Id = "one"; Value = "le un"; NumValue = 1; Sub = None }
+                    "The updated document is not correct"
+            }
+            testTask "succeeds when no document is updated" {
+                use  db     = PostgresDb.BuildDb()
+                use  conn   = mkConn db
+                let! before = conn.countAll PostgresDb.TableName
+                Expect.equal before 0 "There should have been no documents returned"
+                
+                // This not raising an exception is the test
+                do! conn.updateFullFunc
+                        PostgresDb.TableName (_.Id) { Id = "one"; Value = "le un"; NumValue = 1; Sub = None }
+            }
+        ]
+        testList "updatePartialById" [
+            testTask "succeeds when a document is updated" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+                
+                do! conn.updatePartialById PostgresDb.TableName "one" {| NumValue = 44 |}
+                let! after = conn.findById<string, JsonDocument> PostgresDb.TableName "one"
+                Expect.isSome after "There should have been a document returned post-update"
+                Expect.equal after.Value.NumValue 44 "The updated document is not correct"
+            }
+            testTask "succeeds when no document is updated" {
+                use  db     = PostgresDb.BuildDb()
+                use  conn   = mkConn db
+                let! before = conn.countAll PostgresDb.TableName
+                Expect.equal before 0 "There should have been no documents returned"
+                
+                // This not raising an exception is the test
+                do! conn.updatePartialById PostgresDb.TableName "test" {| Foo = "green" |}
+            }
+        ]
+        testList "updatePartialByField" [
+            testTask "succeeds when a document is updated" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+                
+                do! conn.updatePartialByField PostgresDb.TableName "Value" EQ "purple" {| NumValue = 77 |}
+                let! after = Count.byField PostgresDb.TableName "NumValue" EQ "77"
+                Expect.equal after 2 "There should have been 2 documents returned"
+            }
+            testTask "succeeds when no document is updated" {
+                use  db     = PostgresDb.BuildDb()
+                use  conn   = mkConn db
+                let! before = conn.countAll PostgresDb.TableName
+                Expect.equal before 0 "There should have been no documents returned"
+                
+                // This not raising an exception is the test
+                do! conn.updatePartialByField PostgresDb.TableName "Value" EQ "burgundy" {| Foo = "green" |}
+            }
+        ]
+        testList "updatePartialByContains" [
+            testTask "succeeds when a document is updated" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+                
+                do! conn.updatePartialByContains PostgresDb.TableName {| Value = "purple" |} {| NumValue = 77 |}
+                let! after = Count.byContains PostgresDb.TableName {| NumValue = 77 |}
+                Expect.equal after 2 "There should have been 2 documents returned"
+            }
+            testTask "succeeds when no document is updated" {
+                use  db     = PostgresDb.BuildDb()
+                use  conn   = mkConn db
+                let! before = conn.countAll PostgresDb.TableName
+                Expect.equal before 0 "There should have been no documents returned"
+                
+                // This not raising an exception is the test
+                do! conn.updatePartialByContains PostgresDb.TableName {| Value = "burgundy" |} {| Foo = "green" |}
+            }
+        ]
+        testList "updatePartialByJsonPath" [
+            testTask "succeeds when a document is updated" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+                
+                do! conn.updatePartialByJsonPath PostgresDb.TableName "$.NumValue ? (@ > 10)" {| NumValue = 1000 |}
+                let! after = conn.countByJsonPath PostgresDb.TableName "$.NumValue ? (@ > 999)"
+                Expect.equal after 2 "There should have been 2 documents returned"
+            }
+            testTask "succeeds when no document is updated" {
+                use  db     = PostgresDb.BuildDb()
+                use  conn   = mkConn db
+                let! before = conn.countAll PostgresDb.TableName
+                Expect.equal before 0 "There should have been no documents returned"
+                
+                // This not raising an exception is the test
+                do! conn.updatePartialByJsonPath PostgresDb.TableName "$.NumValue ? (@ < 0)" {| Foo = "green" |}
+            }
+        ]
+        testList "deleteById" [
+            testTask "succeeds when a document is deleted" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.deleteById PostgresDb.TableName "four"
+                let! remaining = conn.countAll PostgresDb.TableName
+                Expect.equal remaining 4 "There should have been 4 documents remaining"
+            }
+            testTask "succeeds when a document is not deleted" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.deleteById PostgresDb.TableName "thirty"
+                let! remaining = conn.countAll PostgresDb.TableName
+                Expect.equal remaining 5 "There should have been 5 documents remaining"
+            }
+        ]
+        testList "deleteByField" [
+            testTask "succeeds when documents are deleted" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.deleteByField PostgresDb.TableName "Value" EQ "purple"
+                let! remaining = conn.countAll PostgresDb.TableName
+                Expect.equal remaining 3 "There should have been 3 documents remaining"
+            }
+            testTask "succeeds when documents are not deleted" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.deleteByField PostgresDb.TableName "Value" EQ "crimson"
+                let! remaining = conn.countAll PostgresDb.TableName
+                Expect.equal remaining 5 "There should have been 5 documents remaining"
+            }
+        ]
+        testList "deleteByContains" [
+            testTask "succeeds when documents are deleted" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.deleteByContains PostgresDb.TableName {| Value = "purple" |}
+                let! remaining = conn.countAll PostgresDb.TableName
+                Expect.equal remaining 3 "There should have been 3 documents remaining"
+            }
+            testTask "succeeds when documents are not deleted" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.deleteByContains PostgresDb.TableName {| Value = "crimson" |}
+                let! remaining = conn.countAll PostgresDb.TableName
+                Expect.equal remaining 5 "There should have been 5 documents remaining"
+            }
+        ]
+        testList "deleteByJsonPath" [
+            testTask "succeeds when documents are deleted" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.deleteByJsonPath PostgresDb.TableName """$.Sub.Foo ? (@ == "green")"""
+                let! remaining = conn.countAll PostgresDb.TableName
+                Expect.equal remaining 3 "There should have been 3 documents remaining"
+            }
+            testTask "succeeds when documents are not deleted" {
+                use db   = PostgresDb.BuildDb()
+                use conn = mkConn db
+                do! loadDocs conn
+
+                do! conn.deleteByJsonPath PostgresDb.TableName "$.NumValue ? (@ > 100)"
+                let! remaining = conn.countAll PostgresDb.TableName
+                Expect.equal remaining 5 "There should have been 5 documents remaining"
+            }
+        ]
+    ]
+    |> testSequenced

src/Tests/PostgresTests.fs

@@ -240,9 +240,8 @@ let integrationTests =
                 }
             ]
             testTask "scalar succeeds" {
-                use db = PostgresDb.BuildDb()
-
-                let! nbr = Custom.scalar $"SELECT 5 AS test_value" [] (fun row -> row.int "test_value")
+                use  db  = PostgresDb.BuildDb()
+                let! nbr = Custom.scalar "SELECT 5 AS test_value" [] (fun row -> row.int "test_value")
                 Expect.equal nbr 5 "The query should have returned the number 5"
             }
         ]

src/Tests/Program.fs

@@ -8,8 +8,9 @@ let allTests =
           CommonCSharpTests.Unit
           PostgresTests.all
           PostgresCSharpTests.All
+          PostgresExtensionTests.integrationTests
           SqliteTests.all
-          testSequenced SqliteExtensionTests.integrationTests
+          SqliteExtensionTests.integrationTests
           SqliteCSharpTests.All
           testSequenced SqliteCSharpExtensionTests.Integration ]
 

src/Tests/SqliteExtensionTests.fs

@@ -9,17 +9,10 @@ open Types
 
 /// Integration tests for the F# extensions on the SqliteConnection data type
 let integrationTests =
-    let documents = [
-        { Id = "one"; Value = "FIRST!"; NumValue = 0; Sub = None }
-        { Id = "two"; Value = "another"; NumValue = 10; Sub = Some { Foo = "green"; Bar = "blue" } }
-        { Id = "three"; Value = ""; NumValue = 4; Sub = None }
-        { Id = "four"; Value = "purple"; NumValue = 17; Sub = Some { Foo = "green"; Bar = "red" } }
-        { Id = "five"; Value = "purple"; NumValue = 18; Sub = None }
-    ]
     let loadDocs () = backgroundTask {
-        for doc in documents do do! insert SqliteDb.TableName doc
+        for doc in testDocuments do do! insert SqliteDb.TableName doc
     }
-    testList "Extensions" [
+    testList "Sqlite.Extensions" [
         testTask "ensureTable succeeds" {
             use! db   = SqliteDb.BuildDb()
             use  conn = Configuration.dbConn ()
@@ -465,3 +458,4 @@ let integrationTests =
             Configuration.useConnectionString "data source=:memory:"
         }
     ]
+    |> testSequenced

src/Tests/Types.fs

@@ -10,4 +10,14 @@ type JsonDocument =
       NumValue: int
       Sub: SubDocument option }
 
+/// An empty JsonDocument
 let emptyDoc = { Id = ""; Value = ""; NumValue = 0; Sub = None }
+
+/// Documents to use for testing
+let testDocuments = [
+    { Id = "one"; Value = "FIRST!"; NumValue = 0; Sub = None }
+    { Id = "two"; Value = "another"; NumValue = 10; Sub = Some { Foo = "green"; Bar = "blue" } }
+    { Id = "three"; Value = ""; NumValue = 4; Sub = None }
+    { Id = "four"; Value = "purple"; NumValue = 17; Sub = Some { Foo = "green"; Bar = "red" } }
+    { Id = "five"; Value = "purple"; NumValue = 18; Sub = None }
+]