adding hash examples (#159)

* adding hash examples

* putting everything into a single colletion to mitigate matching keys across docs

* .NET 4.8 stuff

* linters

---------

Co-authored-by: shacharPash <[email protected]>

Author: slorello89

tests/Doc/HashExample.cs

@@ -0,0 +1,127 @@
+// EXAMPLE: hash_tutorial
+// HIDE_START
+using StackExchange.Redis;
+
+//REMOVE_START
+namespace NRedisStack.Doc;
+[Collection("DocsTests")]
+//REMOVE_END
+public class HashExample
+{
+    [Fact]
+    public void run()
+    {
+        var muxer = ConnectionMultiplexer.Connect("localhost:6379");
+        var db = muxer.GetDatabase();
+        db.KeyDelete("bike:1");
+        //HIDE_END
+        //STEP_START set_get_all
+        db.HashSet("bike:1", new HashEntry[]
+        {
+            new HashEntry("model", "Deimos"),
+            new HashEntry("brand", "Ergonom"),
+            new HashEntry("type", "Enduro bikes"),
+            new HashEntry("price", 4972)
+        });
+
+        Console.WriteLine("Hash Created");
+        // Hash Created
+
+        var model = db.HashGet("bike:1", "model");
+        Console.WriteLine($"Model: {model}");
+        // Model: Deimos
+
+        var price = db.HashGet("bike:1", "price");
+        Console.WriteLine($"Price: {price}");
+        // Price: 4972
+
+        var bike = db.HashGetAll("bike:1");
+        Console.WriteLine("bike:1");
+        Console.WriteLine(string.Join("\n", bike.Select(b => $"{b.Name}: {b.Value}")));
+        // Bike:1:
+        // model: Deimos
+        // brand: Ergonom
+        // type: Enduro bikes
+        // price: 4972
+        //STEP_END
+
+        //REMOVE_START
+        Assert.Equal(4, bike.Length);
+        Assert.Equal("Deimos", model);
+        Assert.Equal(4972, price);
+        //REMOVE_END
+
+        //STEP_START hmget
+        var values = db.HashGet("bike:1", new RedisValue[] { "model", "price" });
+        Console.WriteLine(string.Join(" ", values));
+        // Deimos 4972
+        //REMOVE_START
+        Assert.Equal("Deimos", values[0]);
+        Assert.Equal(4972, values[1]);
+        //REMOVE_END
+        //STEP_END
+
+        //STEP_START hincrby
+        var newPrice = db.HashIncrement("bike:1", "price", 100);
+        Console.WriteLine($"New price: {newPrice}");
+        //REMOVE_START
+        Assert.Equal(5072, newPrice);
+        //REMOVE_END
+        // New price: 5072
+
+        newPrice = db.HashIncrement("bike:1", "price", -100);
+        Console.WriteLine($"New price: {newPrice}");
+        //REMOVE_START
+        Assert.Equal(4972, newPrice);
+        //REMOVE_END
+        // New price: 4972
+        //STEP_END
+
+        //STEP_START incrby_get_mget
+        var rides = db.HashIncrement("bike:1", "rides");
+        Console.WriteLine($"Rides: {rides}");
+        //REMOVE_START
+        Assert.Equal(1, rides);
+        //REMOVE_END
+        // Rides: 1
+
+        rides = db.HashIncrement("bike:1", "rides");
+        Console.WriteLine($"Rides: {rides}");
+        //REMOVE_START
+        Assert.Equal(2, rides);
+        //REMOVE_END
+        // Rides: 2
+
+        rides = db.HashIncrement("bike:1", "rides");
+        Console.WriteLine($"Rides: {rides}");
+        //REMOVE_START
+        Assert.Equal(3, rides);
+        //REMOVE_END
+        // Rides: 3
+
+        var crashes = db.HashIncrement("bike:1", "crashes");
+        Console.WriteLine($"Crashes: {crashes}");
+        //REMOVE_START
+        Assert.Equal(1, crashes);
+        //REMOVE_END
+        // Crashes: 1
+
+        var owners = db.HashIncrement("bike:1", "owners");
+        Console.WriteLine($"Owners: {owners}");
+        //REMOVE_START
+        Assert.Equal(1, owners);
+        //REMOVE_END
+        // Owners: 1
+
+        var stats = db.HashGet("bike:1", new RedisValue[] { "crashes", "owners" });
+        Console.WriteLine($"Bike stats: crashes={stats[0]}, owners={stats[1]}");
+        //REMOVE_START
+        Assert.Equal(1, stats[0]);
+        Assert.Equal(1, stats[1]);
+        //REMOVE_END
+        // Bike stats: crashes=1, owners=1
+        //STEP_END
+    //HIDE_START
+    }
+}
+//HIDE_END

tests/Doc/SearchQuickstartExample.cs

@@ -7,8 +7,8 @@
 
 // REMOVE_START
 namespace NRedisStack.Doc;
+[Collection("DocsTests")]
 // REMOVE_END
-
 public class SearchQuickstartExample
 {
     [Fact]

tests/Doc/SetGetExample.cs

@@ -3,8 +3,10 @@
 using System;
 using StackExchange.Redis;
 
+//REMOVE_START
 namespace NRedisStack.Doc;
-
+[Collection("DocsTests")]
+//REMOVE_END
 public class SetGetExample
 {
     [Fact]