Replace references to "link" by "post"

Signed-off-by: Vartan Benohanian <vartanbeno@gmail.com>

post_test.go

@@ -0,0 +1,60 @@
+package geddit
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPostServiceOp_Hide(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/api/hide", func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+
+		form := url.Values{}
+		form.Set("id", "1,2,3")
+
+		err := r.ParseForm()
+		assert.NoError(t, err)
+		assert.Equal(t, form, r.PostForm)
+
+		fmt.Fprint(w, `{}`)
+	})
+
+	_, err := client.Post.Hide(ctx)
+	assert.EqualError(t, err, "must provide at least 1 id")
+
+	res, err := client.Post.Hide(ctx, "1", "2", "3")
+	assert.NoError(t, err)
+	assert.Equal(t, http.StatusOK, res.StatusCode)
+}
+
+func TestPostServiceOp_Unhide(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/api/unhide", func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+
+		form := url.Values{}
+		form.Set("id", "1,2,3")
+
+		err := r.ParseForm()
+		assert.NoError(t, err)
+		assert.Equal(t, form, r.PostForm)
+
+		fmt.Fprint(w, `{}`)
+	})
+
+	_, err := client.Post.Unhide(ctx)
+	assert.EqualError(t, err, "must provide at least 1 id")
+
+	res, err := client.Post.Unhide(ctx, "1", "2", "3")
+	assert.NoError(t, err)
+	assert.Equal(t, http.StatusOK, res.StatusCode)
+}