diff --git a/src/api/v1_test.go b/src/api/v1_test.go
new file mode 100644
index 0000000..fe35cdc
--- /dev/null
+++ b/src/api/v1_test.go
@@ -0,0 +1,149 @@
+
+package api
+
+import (
+    "time"
+    "testing"
+    "net/http"
+    "net/http/httptest"
+    "github.com/stretchr/testify/assert"
+    "github.com/eosswedenorg-go/haproxy/agentcheck"
+)
+
+func TestV1SetTime(t *testing.T) {
+
+    expected := time.Date(2022, 2, 24, 13, 38, 0, 0, time.UTC)
+
+    api := NewEosioV1("", "", 60)
+    // Assert that time is NOW (+-10 seconds)
+    assert.InDelta(t, api.GetTime().Unix(), time.Now().In(time.UTC).Unix(), float64(10))
+
+    api.SetTime(expected)
+    assert.Equal(t, expected, api.GetTime())
+}
+
+func TestV1JsonFailure(t *testing.T) {
+
+    var srv = httptest.NewServer(http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
+        res.Write([]byte(`!//{invalid-json}!##`))
+    }))
+
+    api := NewEosioV1(srv.URL, "", 120)
+    check, _ := api.Call()
+
+    expected := agentcheck.NewStatusMessageResponse(agentcheck.Failed, "")
+    assert.Equal(t, expected, check)
+}
+
+func TestV1HTTP500Down(t *testing.T) {
+
+    var srv = httptest.NewServer(http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
+        res.WriteHeader(500)
+        res.Write([]byte(`{}`))
+    }))
+
+    api := NewEosioV1(srv.URL, "", 120)
+    check, status := api.Call()
+
+    assert.Equal(t, "Taking offline because 500 was received from backend", status)
+
+    expected := agentcheck.NewStatusMessageResponse(agentcheck.Down, "")
+    assert.Equal(t, expected, check)
+}
+
+func TestV1LaggingUp(t *testing.T) {
+
+    var srv = httptest.NewServer(http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
+        if req.URL.String() == "/v1/chain/get_info" {
+            info := `{
+                "server_version": "8f613ec9",
+                "head_block_num": 7272812,
+                "head_block_time": "2022-02-24T13:37:00"
+            }`
+
+            res.Write([]byte(info))
+        }
+    }))
+
+    api := NewEosioV1(srv.URL, "", 60)
+    api.SetTime(time.Date(2022, 2, 24, 13, 38, 0, 0, time.UTC))
+    check, status := api.Call()
+
+    assert.Equal(t, "OK", status)
+
+    expected := agentcheck.NewStatusResponse(agentcheck.Up)
+    assert.Equal(t, expected, check)
+}
+
+func TestV1LaggingDown(t *testing.T) {
+
+    var srv = httptest.NewServer(http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
+        if req.URL.String() == "/v1/chain/get_info" {
+            info := `{
+                "server_version": "9a607cce",
+                "head_block_num": 87263,
+                "head_block_time": "2018-01-01T13:37:01"
+            }`
+
+            res.Write([]byte(info))
+        }
+    }))
+
+    api := NewEosioV1(srv.URL, "", 60)
+    api.SetTime(time.Date(2018, time.January, 1, 13, 38, 2, 0, time.UTC))
+    check, status := api.Call()
+
+    assert.Equal(t, "Taking offline because head block is lagging 61 seconds", status)
+
+    expected := agentcheck.NewStatusMessageResponse(agentcheck.Down, "")
+    assert.Equal(t, expected, check)
+}
+
+func TestV1TimeInFutureUP(t *testing.T) {
+
+    var srv = httptest.NewServer(http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
+        if req.URL.String() == "/v1/chain/get_info" {
+            info := `{
+                "server_version": "d1bec8d3",
+                "head_block_num": 548847,
+                "head_block_time": "2020-09-22T09:32:00"
+            }`
+
+            res.Write([]byte(info))
+        }
+    }))
+
+    api := NewEosioV1(srv.URL, "", 120)
+    api.SetTime(time.Date(2020, 9, 22, 9, 30, 0, 0, time.UTC))
+    check, status := api.Call()
+
+    assert.Equal(t, "OK", status)
+
+    expected := agentcheck.NewStatusResponse(agentcheck.Up)
+    assert.Equal(t, expected, check)
+}
+
+
+func TestV1TimeInFutureDown(t *testing.T) {
+
+    var srv = httptest.NewServer(http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
+        if req.URL.String() == "/v1/chain/get_info" {
+            info := `{
+                "server_version": "c879d231",
+                "head_block_num": 2637621,
+                "head_block_time": "2019-04-14T12:02:01"
+            }`
+
+            res.Write([]byte(info))
+        }
+    }))
+
+    api := NewEosioV1(srv.URL, "", 120)
+    api.SetTime(time.Date(2019, time.April, 14, 12, 0, 0, 0, time.UTC))
+    check, status := api.Call()
+
+    assert.Equal(t, "Taking offline because head block is -121 seconds into the future", status)
+
+    expected := agentcheck.NewStatusMessageResponse(agentcheck.Down, "")
+    assert.Equal(t, expected, check)
+}