Fix DB schema, write a basic unittest for the DB operations

internal/database/actions_test.go

@@ -0,0 +1,56 @@
+package database
+
+import (
+	"database/sql"
+	"io/ioutil"
+	"os"
+	"testing"
+	"time"
+)
+
+func TestMeasurementWorkflow(t *testing.T) {
+	tmpfile, err := ioutil.TempFile("", "dbtest")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.Remove(tmpfile.Name())
+
+	tmpdir, err := ioutil.TempDir("", "oonitest")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(tmpdir)
+
+	sess, err := Connect(tmpfile.Name())
+	if err != nil {
+		t.Error(err)
+	}
+	result, err := CreateResult(sess, tmpdir, Result{
+		TestGroupName: "websites",
+		StartTime:     time.Now().UTC(),
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	msmtTemplate := Measurement{
+		ReportID:       sql.NullString{String: "", Valid: false},
+		TestName:       "antani",
+		ResultID:       result.ID,
+		ReportFilePath: tmpdir,
+	}
+	m1, err := CreateMeasurement(sess, msmtTemplate, "")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var m2 Measurement
+	err = sess.Collection("measurements").Find("id", m1.ID).One(&m2)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if m2.ResultID != m1.ResultID {
+		t.Error("result_id mismatch")
+	}
+
+}