Add unit tests for list management

todo_test.go

+package main
+
+import (
+    "io/ioutil"
+    "net/http"
+    "net/http/httptest"
+    "testing"
+    "strings"
+    "encoding/json"
+    "bytes"
+)
+
+func checkFail(t *testing.T, err error) {
+    if err != nil {
+        t.Fatal(err)
+    }
+}
+
+func setup(t *testing.T) {
+    db := ConnectDb()
+    defer db.Close()
+
+    sqlData, err := ioutil.ReadFile("schema.sql")
+    checkFail(t, err)
+
+    sqlStmts := string(sqlData)
+    for _, stmt := range strings.Split(sqlStmts, ";") {
+        _, err := db.Exec(stmt)
+        checkFail(t, err)
+    }
+
+}
+
+func TestList(test *testing.T) {
+    setup(test)
+    testServer := httptest.NewServer(Handlers())
+    defer testServer.Close()
+
+    res, err := http.Get(testServer.URL + "/list")
+    checkFail(test, err)
+
+    body, err := ioutil.ReadAll(res.Body)
+    res.Body.Close()
+
+    if res.StatusCode != 200 {
+        test.Errorf("Expected status code 200 got %d", res.StatusCode)
+    }
+
+    var lists []List
+    err = json.Unmarshal(body, &lists)
+    checkFail(test, err)
+
+    if len(lists) != 0 {
+        test.Errorf("Expected [] got %s", lists)
+    }
+
+    b, err := json.Marshal(ListCreateRequest{Name: "Work"})
+    checkFail(test, err)
+
+    res, err = http.Post(testServer.URL + "/list", "application/json", bytes.NewReader(b))
+    checkFail(test, err)
+
+    if res.StatusCode != 200 {
+        test.Errorf("Expected status code 200 got %d", res.StatusCode)
+    }
+
+    res, err = http.Get(testServer.URL + "/list")
+    checkFail(test, err)
+
+    body, err = ioutil.ReadAll(res.Body)
+    res.Body.Close()
+
+    if res.StatusCode != 200 {
+        test.Errorf("Expected status code 200 got %d", res.StatusCode)
+    }
+
+    err = json.Unmarshal(body, &lists)
+    checkFail(test, err)
+
+    if len(lists) != 1 {
+        test.Errorf("Expected [] got %s", lists)
+    }
+}