wrote test for general structure of datatable

Author: hamidrezarj

tests/DatatableTest.php

@@ -3,19 +3,173 @@
 use \HamidRrj\LaravelDatatable\Tests\Models\User;
 use \HamidRrj\LaravelDatatable\Facades\DatatableFacade;
 
-it('can shit', function() {
+it('can get data with empty filters', function () {
+
+    $users = User::factory()->count(5)->create();
+
+    $query = User::query();
+
+    $requestParameters = [
+        'start' => 0,
+        'size' => 10,
+        'filters' => json_encode([]),
+        'sorting' => json_encode([])
+    ];
+
+    $data = DatatableFacade::run(
+        $query,
+        $requestParameters
+    );
+
+    expect($data['data'])
+        ->toEqual($users->toArray());
+
+    expect($data['meta']['totalRowCount'])
+        ->toBe(5);
+
+
+});
+
+it('can get correct data with providing start and size arguments', function () {
+
+    $users = User::factory()->count(15)->create();
+
+    $query = User::query();
+
+    $requestParameters = [
+        'start' => 5,
+        'size' => 8,
+        'filters' => json_encode([]),
+        'sorting' => json_encode([])
+    ];
+
+    $data = DatatableFacade::run(
+        $query,
+        $requestParameters
+    );
+
+    $expected = array_slice($users->toArray(), 5, 8);
+
+    expect($data['data'])
+        ->toEqual($expected);
+
+    expect($data['meta']['totalRowCount'])
+        ->toBe(15);
+
+});
+
+it('throws exception when trying to filter a field which is not allowed to be filtered', function () {
+
+    $query = User::query();
+
+    $requestParameters = [
+        'start' => 5,
+        'size' => 8,
+        'filters' => json_encode([
+            [
+                'id' => 'username',
+                'value' => 'sth',
+                'fn' => 'contains',
+                'datatype' => 'text'
+            ]
+        ]),
+        'sorting' => json_encode([])
+    ];
+
+    $data = DatatableFacade::run(
+        $query,
+        $requestParameters
+    );
+
+})->throws(\HamidRrj\LaravelDatatable\Exceptions\InvalidFilterException::class, "filtering field `username` is not allowed.");
+
+it('throws exception when provided filter fn is not defined and is invalid', function () {
 
     $query = User::query();
 
-    DatatableFacade::run(
+    $requestParameters = [
+        'start' => 5,
+        'size' => 8,
+        'filters' => json_encode([
+            [
+                'id' => 'username',
+                'value' => 'sth',
+                'fn' => 'sth',
+                'datatype' => 'text'
+            ]
+        ]),
+        'sorting' => json_encode([])
+    ];
+
+    $allowedFilters = array('username');
+
+    $data = DatatableFacade::run(
         $query,
-        $request
+        $requestParameters,
+        $allowedFilters
     );
 
-    \Pest\Laravel\assertDatabaseHas('users', [
-        'name' => $user->name,
-        'username' => $user->username,
-        'email' => $user->email,
-    ]);
+})->throws(\HamidRrj\LaravelDatatable\Exceptions\InvalidFilterException::class, "search function `sth` is invalid.");
+
+it('throws exception when provided filter datatype is not defined and is invalid', function () {
+
+    $query = User::query();
+
+    $requestParameters = [
+        'start' => 5,
+        'size' => 8,
+        'filters' => json_encode([
+            [
+                'id' => 'username',
+                'value' => 'sth',
+                'fn' => 'notEquals',
+                'datatype' => 'sth'
+            ]
+        ]),
+        'sorting' => json_encode([])
+    ];
+
+    $allowedFilters = array('username');
+
+    $data = DatatableFacade::run(
+        $query,
+        $requestParameters,
+        $allowedFilters
+    );
+
+})->throws(\HamidRrj\LaravelDatatable\Exceptions\InvalidFilterException::class, "datatype `sth` is invalid.");
+
+it('can get correct data with providing filter fn:`contains` and datatype:`text`', function () {
+
+    $users = User::factory()->count(15)->create();
+
+    $query = User::query();
+
+    $requestParameters = [
+        'start' => 5,
+        'size' => 8,
+        'filters' => json_encode([]),
+        'sorting' => json_encode([])
+    ];
+
+    $data = DatatableFacade::run(
+        $query,
+        $requestParameters
+    );
+
+    $expected = array_slice($users->toArray(), 5, 8);
+
+    expect($data['data'])
+        ->toEqual($expected);
+
+    expect($data['meta']['totalRowCount'])
+        ->toBe(15);
 
 });
+
+
+// contains: text, numeric
+// equals: text, numeric, date
+// not equals: text, numeric, date
+// between: numeric, date & text
+// GT AND LT: numeric , date