diff -r dd4ee1d4122c -r c77f06ff3e54 server/src/tests/Controllers/DiscourseControllerTest.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/src/tests/Controllers/DiscourseControllerTest.php	Sun May 08 14:21:22 2016 +0200
@@ -0,0 +1,65 @@
+<?php
+
+use Mockery as m;
+
+use EasyRdf\Resource;
+use EasyRdf\Literal;
+
+/**
+ *
+ */
+class DiscourseControllerTest 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 ?res) (COUNT(?s) as ?count) where {
+            ?s a <http://www.europeana.eu/schemas/edm/ProvidedCHO>.
+            ?s <http://purl.org/dc/elements/1.1/type> ?o.
+            filter(uri(?o) in (<".implode('>,<', array_keys(config('corpusparole.corpus_discourse_type'))).">))
+        }
+        GROUP BY ?o
+        ORDER BY DESC(?count)");
+
+        $this->sparqlClient
+            ->shouldReceive('query')
+            ->with($query)
+            ->once()
+            ->andReturn(new \ArrayIterator([]));
+        $this->get('/api/v1/discourses/');
+    }
+
+    public function testIndex() {
+
+        $this->sparqlClient
+            ->shouldReceive('query')
+            ->once()
+            ->andReturn(new \ArrayIterator([
+                (object)['res'=>new Resource('http://ark.bnf.fr/ark:/12148/cb12083158d'), 'count' => Literal::create(44)],
+                (object)['res'=>new Resource('http://ark.bnf.fr/ark:/12148/cb119783362'), 'count' => Literal::create(33)],
+                (object)['res'=>new Resource('http://ark.bnf.fr/ark:/12148/cb13319048g'), 'count' => Literal::create(22)],
+            ]));
+        $this->get('/api/v1/discourses/')->assertTrue($this->response->isOk(), $this->response->content());
+        $this->seeJsonEquals(["discourses" => [
+            "http://ark.bnf.fr/ark:/12148/cb12083158d" => ["label" => "argumentation", "count" => 44],
+            "http://ark.bnf.fr/ark:/12148/cb119783362" => ["label" => "bavardage", "count" => 33],
+            "http://ark.bnf.fr/ark:/12148/cb13319048g" => ["label" => "chansons", "count" => 22],
+        ]]);
+    }
+}