diff -r 1f9853178fcd -r 366509ae2f37 server/src/tests/Controllers/ThemeControllerTest.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/src/tests/Controllers/ThemeControllerTest.php	Sat May 07 10:06:26 2016 +0200
@@ -0,0 +1,156 @@
+<?php
+
+use Mockery as m;
+
+use EasyRdf\Resource;
+use EasyRdf\Literal;
+
+/**
+ *
+ */
+class ThemeControllerTest extends TestCase {
+
+    private $sparqlClient;
+
+    public function setUp() {
+
+        parent::setup();
+
+        // create a mock of the post repository interface and inject it into the
+        // IoC container
+        $this->sparqlClient = m::mock('CorpusParole\Libraries\Sparql\SparqlClient');
+        $this->app->instance('CorpusParole\Libraries\Sparql\SparqlClient', $this->sparqlClient);
+    }
+
+    public function tearDown() {
+        m::close();
+        parent::tearDown();
+    }
+
+    public function testIndexQuery() {
+
+                $query = preg_replace('/\s+/', ' ', "select (?o as ?theme) (COUNT(?s) as ?count) where {
+                    ?s a <http://www.europeana.eu/schemas/edm/ProvidedCHO> .
+                    ?s <http://purl.org/dc/elements/1.1/subject> ?o .
+                    FILTER (isIRI(?o) && regex(str(?o), '^".config('corpusparole.bnf_ark_base_url')."')) .
+                }
+                GROUP BY ?o
+                ORDER BY DESC(?count)");
+
+        $this->sparqlClient
+            ->shouldReceive('query')
+            ->with($query)
+            ->once()
+            ->andReturn(new \ArrayIterator([]));
+        $this->get('/api/v1/themes/');
+    }
+
+    public function testIndexQueryBnf() {
+
+                $query = preg_replace('/\s+/', ' ', "select (?o as ?theme) (COUNT(?s) as ?count) where {
+                    ?s a <http://www.europeana.eu/schemas/edm/ProvidedCHO> .
+                    ?s <http://purl.org/dc/elements/1.1/subject> ?o .
+                    FILTER (isIRI(?o) && regex(str(?o), '^".config('corpusparole.bnf_ark_base_url')."')) .
+                }
+                GROUP BY ?o
+                ORDER BY DESC(?count)");
+
+        $this->sparqlClient
+            ->shouldReceive('query')
+            ->with($query)
+            ->once()
+            ->andReturn(new \ArrayIterator([]));
+        $this->get('/api/v1/themes/?filter=bnf');
+    }
+
+
+    public function testIndexQueryAll() {
+
+                $query = preg_replace('/\s+/', ' ', "select (?o as ?theme) (COUNT(?s) as ?count) where {
+                    ?s a <http://www.europeana.eu/schemas/edm/ProvidedCHO> .
+                    ?s <http://purl.org/dc/elements/1.1/subject> ?o .
+                }
+                GROUP BY ?o
+                ORDER BY DESC(?count)");
+
+        $this->sparqlClient
+            ->shouldReceive('query')
+            ->with($query)
+            ->once()
+            ->andReturn(new \ArrayIterator([]));
+        $this->get('/api/v1/themes/?filter=all');
+    }
+
+
+        public function testIndexQueryNone() {
+
+                $query = preg_replace('/\s+/', ' ', "select (?o as ?theme) (COUNT(?s) as ?count) where {
+                    ?s a <http://www.europeana.eu/schemas/edm/ProvidedCHO> .
+                    ?s <http://purl.org/dc/elements/1.1/subject> ?o .
+                }
+                GROUP BY ?o
+                ORDER BY DESC(?count)");
+
+        $this->sparqlClient
+            ->shouldReceive('query')
+            ->with($query)
+            ->once()
+            ->andReturn(new \ArrayIterator([]));
+        $this->get('/api/v1/themes/?filter=none');
+    }
+
+
+    public function testIndexQueryEmpty() {
+
+        $query = preg_replace('/\s+/', ' ', "select (?o as ?theme) (COUNT(?s) as ?count) where {
+                ?s a <http://www.europeana.eu/schemas/edm/ProvidedCHO> .
+                ?s <http://purl.org/dc/elements/1.1/subject> ?o .
+            }
+            GROUP BY ?o
+            ORDER BY DESC(?count)");
+
+        $this->sparqlClient
+            ->shouldReceive('query')
+            ->with($query)
+            ->once()
+            ->andReturn(new \ArrayIterator([]));
+        $this->get('/api/v1/themes/?filter=');
+    }
+
+    public function testIndexQueryUri() {
+
+        $query = preg_replace('/\s+/', ' ', "select (?o as ?theme) (COUNT(?s) as ?count) where {
+                ?s a <http://www.europeana.eu/schemas/edm/ProvidedCHO> .
+                ?s <http://purl.org/dc/elements/1.1/subject> ?o .
+                FILTER isIRI(?o) .
+            }
+            GROUP BY ?o
+            ORDER BY DESC(?count)");
+
+        $this->sparqlClient
+            ->shouldReceive('query')
+            ->with($query)
+            ->once()
+            ->andReturn(new \ArrayIterator([]));
+        $this->get('/api/v1/themes/?filter=uri');
+    }
+
+
+    public function testIndex() {
+
+        $this->sparqlClient
+            ->shouldReceive('query')
+            ->once()
+            ->andReturn(new \ArrayIterator([
+                (object)['theme'=>new Resource('http://lexvo.org/id/iso639-3/gsw'), 'count' => Literal::create(44)],
+                (object)['theme'=>new Resource('http://ark.bnf.fr/ark:/12148/cb119339867'), 'count' => Literal::create(33)],
+                (object)['theme'=>Literal::create('Français', 'fr'), 'count' => Literal::create(22)],
+            ]));
+        $this->get('/api/v1/themes/')->assertTrue($this->response->isOk(), $this->response->content());
+        $this->seeJsonEquals(["themes" => [
+            "http://lexvo.org/id/iso639-3/gsw" => ["url" => "http://lexvo.org/id/iso639-3/gsw", "label" => null, "count" => 44],
+            "http://ark.bnf.fr/ark:/12148/cb119339867" => ["url" => "http://ark.bnf.fr/ark:/12148/cb119339867", "label" => null, "count" => 33],
+            "Français" => ["url" => null, "label" => "Français", "count" => 22],
+        ]]);
+    }
+}