Add ability to change grades list semester (#10)

app/src/test/java/io/github/wulkanowy/api/StudentAndParentTest.java

@@ -0,0 +1,61 @@
+package io.github.wulkanowy.api;
+
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.powermock.api.mockito.PowerMockito;
+
+import java.util.ArrayList;
+import java.util.List;
+public class StudentAndParentTest {
+
+    private String fixtureFileName = "OcenyWszystkie-semester.html";
+
+    private StudentAndParent snp;
+
+    @Before
+    public void setUp() throws Exception {
+        String input = FixtureHelper.getAsString(getClass().getResourceAsStream(fixtureFileName));
+        Document gradesPageDocument = Jsoup.parse(input);
+
+        snp = Mockito.mock(StudentAndParent.class);
+        PowerMockito.whenNew(StudentAndParent.class)
+                .withArguments(Mockito.any(Cookies.class), Mockito.anyString()).thenReturn(snp);
+
+        Mockito.when(snp.getPageByUrl(Mockito.anyString())).thenReturn(gradesPageDocument);
+        Mockito.when(snp.getGradesPageUrl()).thenReturn("http://example.null");
+        Mockito.when(snp.getLocationID()).thenReturn("symbol");
+        Mockito.when(snp.getID()).thenReturn("123456");
+        Mockito.when(snp.getSemesters()).thenCallRealMethod();
+        Mockito.when(snp.getCurrentSemester(Mockito.anyListOf(Semester.class))).thenCallRealMethod();
+    }
+
+    @Test
+    public void getSemestersTest() throws Exception {
+        List<Semester> semesters = snp.getSemesters();
+
+        Assert.assertEquals(2, semesters.size());
+
+        Assert.assertEquals("1", semesters.get(0).getId());
+        Assert.assertEquals("1234", semesters.get(0).getNumber());
+        Assert.assertFalse(semesters.get(0).isCurrent());
+
+        Assert.assertEquals("2", semesters.get(1).getId());
+        Assert.assertEquals("1235", semesters.get(1).getNumber());
+        Assert.assertTrue(semesters.get(1).isCurrent());
+    }
+
+    @Test
+    public void getCurrentSemesterTest() throws Exception {
+        List<Semester> semesters = new ArrayList<>();
+        semesters.add(new Semester().setNumber("1500100900").setId("1").setCurrent(false));
+        semesters.add(new Semester().setNumber("1500100901").setId("2").setCurrent(true));
+
+        Assert.assertTrue(snp.getCurrentSemester(semesters).isCurrent());
+        Assert.assertEquals("2", snp.getCurrentSemester(semesters).getId());
+        Assert.assertEquals("1500100901", snp.getCurrentSemester(semesters).getNumber());
+    }
+}