test dump

cmd/piwigo-cli/method_try.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"errors"
+	"fmt"
 	"net/url"
 	"strings"
 
@@ -31,14 +32,14 @@ func (c *MethodTryCommand) Execute(args []string) error {
 	}
 
 	if err := p.Post(c.MethodName, params, &result); err != nil {
-		debug.Dump(params)
+		fmt.Println(debug.Dump(params))
 		return err
 	}
 
-	debug.Dump(map[string]interface{}{
+	fmt.Println(debug.Dump(map[string]interface{}{
 		"params": params,
 		"result": result,
-	})
+	}))
 	return nil
 }
 

internal/debug/dump.go

@@ -7,14 +7,15 @@ package debug
 
 import (
 	"encoding/json"
-	"os"
 )
 
 /*
 	Dump an interface to the stdout
 */
-func Dump(v interface{}) error {
-	d := json.NewEncoder(os.Stdout)
-	d.SetIndent("", "  ")
-	return d.Encode(v)
+func Dump(v interface{}) string {
+	result, err := json.MarshalIndent(v, "", "  ")
+	if err != nil {
+		return ""
+	}
+	return string(result)
 }

internal/debug/dump_test.go

@@ -0,0 +1,71 @@
+package debug_test
+
+import (
+	"fmt"
+	"math"
+	"testing"
+	"time"
+
+	"github.com/celogeek/piwigo-cli/internal/debug"
+	"github.com/celogeek/piwigo-cli/internal/piwigo/piwigotools"
+)
+
+func TestHelloWorldDump(t *testing.T) {
+	var test struct {
+		Hello string `json:"hello"`
+		World string `json:"world"`
+	}
+	test.Hello = "abc"
+	test.World = "def"
+
+	want := `{
+  "hello": "abc",
+  "world": "def"
+}`
+	received := debug.Dump(test)
+	if received != want {
+		t.Fatalf("Dump hello world failed!\nReceive:\n\"%s\"\nWant:\n\"%s\"\n", received, want)
+	}
+}
+
+func TestDumpTimeResult(t *testing.T) {
+	var test struct {
+		CreatedAt *piwigotools.TimeResult
+	}
+	now := time.Now()
+	tr := piwigotools.TimeResult(now)
+	test.CreatedAt = &tr
+
+	want := fmt.Sprintf(`{
+  "CreatedAt": "%s"
+}`, now.Format("2006-01-02 15:04:05"))
+
+	received := debug.Dump(test)
+	if received != want {
+		t.Fatalf("Dump TimeResult failed!\nReceive:\n\"%s\"\nWant:\n\"%s\"\n", received, want)
+	}
+}
+
+func TestDumpNullTimeResult(t *testing.T) {
+	var test struct {
+		CreatedAt *piwigotools.TimeResult
+	}
+
+	want := fmt.Sprint(`{
+  "CreatedAt": null
+}`)
+
+	received := debug.Dump(test)
+	if received != want {
+		t.Fatalf("Dump TimeResult failed!\nReceive:\n\"%s\"\nWant:\n\"%s\"\n", received, want)
+	}
+}
+
+func TestDumpError(t *testing.T) {
+	test := math.Inf(1)
+	want := ""
+	received := debug.Dump(test)
+	if received != want {
+		t.Fatalf("Dump TimeResult failed!\nReceive:\n\"%s\"\nWant:\n\"%s\"\n", received, want)
+	}
+}

internal/piwigo/post.go

@@ -99,7 +99,7 @@ func (p *Piwigo) Post(method string, form *url.Values, resp interface{}) error {
 			return err
 		}
 
-		debug.Dump(RawResult)
+		fmt.Println(debug.Dump(RawResult))
 	}
 
 	if Result.Stat != "ok" {