diff -r a50cbd7d702f -r 037687868bc4 server/src/tests/Controllers/ViafControllerTest.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/src/tests/Controllers/ViafControllerTest.php	Thu Dec 10 16:05:53 2015 +0100
@@ -0,0 +1,84 @@
+<?php
+
+use Mockery as m;
+
+use CorpusParole\Services\ViafResolverException;
+
+/**
+ *
+ */
+class ViafControllerTest extends TestCase {
+
+    private $viafResolver;
+
+    public function setUp() {
+
+        parent::setup();
+
+        // create a mock of the post repository interface and inject it into the
+        // IoC container
+        $this->viafResolver = m::mock('CorpusParole\Services\ViafResolverInterface');
+        $this->app->instance('CorpusParole\Services\ViafResolverInterface', $this->viafResolver);
+    }
+
+    public function tearDown() {
+        m::close();
+        parent::tearDown();
+    }
+
+    public function testShow() {
+        $this->viafResolver
+            ->shouldReceive('getNames')
+            ->with(['93752300', '56666014'])
+            ->once()
+            ->andReturn([
+                '56666014' => 'Guylaine Brun-Trigaud',
+                '93752300' => 'Sonia Branca-Rosoff'
+            ]);
+        $response = $this->get('/api/v1/viaf/93752300,56666014')->
+            seeJsonEquals(['viafids' => [
+                '56666014' => 'Guylaine Brun-Trigaud',
+                '93752300' => 'Sonia Branca-Rosoff'
+            ]]);
+    }
+
+    public function testShowOne() {
+        $this->viafResolver
+            ->shouldReceive('getNames')
+            ->with(['93752300'])
+            ->once()
+            ->andReturn([
+                '93752300' => 'Sonia Branca-Rosoff'
+            ]);
+        $response = $this->get('/api/v1/viaf/93752300')->
+            seeJsonEquals(['viafids' => [
+                '93752300' => 'Sonia Branca-Rosoff'
+            ]]);
+    }
+
+    public function testShowUnknown() {
+        $this->viafResolver
+            ->shouldReceive('getNames')
+            ->with(['12345'])
+            ->once()
+            ->andReturn([
+                '12345' => null
+            ]);
+        $response = $this->get('/api/v1/viaf/12345')->
+            seeJsonEquals(['viafids' => [
+                '12345' => null
+            ]]);
+    }
+
+    public function testShowMalformed() {
+        $this->viafResolver
+            ->shouldReceive('getNames')
+            ->with(['abcdef','ghij'])
+            ->once()
+            ->andThrow('CorpusParole\Services\ViafResolverException', "ViafId not in correct format", 400);
+        $response = $this->get('/api/v1/viaf/abcdef,ghij');
+
+        $this->assertResponseStatus(400);
+    }
+
+}