Migrate from templates to Gomponents (#103)

pkg/pager/pager_test.go

@@ -0,0 +1,74 @@
+package pager
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/labstack/echo/v4"
+	"github.com/mikestefanello/pagoda/pkg/tests"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewPager(t *testing.T) {
+	e := echo.New()
+	ctx, _ := tests.NewContext(e, "/")
+	pgr := NewPager(ctx, 10)
+	assert.Equal(t, 10, pgr.ItemsPerPage)
+	assert.Equal(t, 1, pgr.Page)
+	assert.Equal(t, 0, pgr.Items)
+	assert.Equal(t, 1, pgr.Pages)
+
+	ctx, _ = tests.NewContext(e, fmt.Sprintf("/abc?%s=%d", QueryKey, 2))
+	pgr = NewPager(ctx, 10)
+	assert.Equal(t, 2, pgr.Page)
+
+	ctx, _ = tests.NewContext(e, fmt.Sprintf("/abc?%s=%d", QueryKey, -2))
+	pgr = NewPager(ctx, 10)
+	assert.Equal(t, 1, pgr.Page)
+}
+
+func TestPager_SetItems(t *testing.T) {
+	ctx, _ := tests.NewContext(echo.New(), "/")
+	pgr := NewPager(ctx, 20)
+	pgr.SetItems(100)
+	assert.Equal(t, 100, pgr.Items)
+	assert.Equal(t, 5, pgr.Pages)
+
+	pgr.SetItems(0)
+	assert.Equal(t, 0, pgr.Items)
+	assert.Equal(t, 1, pgr.Pages)
+	assert.Equal(t, 1, pgr.Page)
+}
+
+func TestPager_IsBeginning(t *testing.T) {
+	ctx, _ := tests.NewContext(echo.New(), "/")
+	pgr := NewPager(ctx, 20)
+	pgr.Pages = 10
+	assert.True(t, pgr.IsBeginning())
+	pgr.Page = 2
+	assert.False(t, pgr.IsBeginning())
+	pgr.Page = 1
+	assert.True(t, pgr.IsBeginning())
+}
+
+func TestPager_IsEnd(t *testing.T) {
+	ctx, _ := tests.NewContext(echo.New(), "/")
+	pgr := NewPager(ctx, 20)
+	pgr.Pages = 10
+	assert.False(t, pgr.IsEnd())
+	pgr.Page = 10
+	assert.True(t, pgr.IsEnd())
+	pgr.Page = 1
+	assert.False(t, pgr.IsEnd())
+}
+
+func TestPager_GetOffset(t *testing.T) {
+	ctx, _ := tests.NewContext(echo.New(), "/")
+	pgr := NewPager(ctx, 20)
+	assert.Equal(t, 0, pgr.GetOffset())
+	pgr.Page = 2
+	assert.Equal(t, 20, pgr.GetOffset())
+	pgr.Page = 3
+	assert.Equal(t, 40, pgr.GetOffset())
+}