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https://github.com/gohugoio/hugo.git
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57adc539fc
Add a template function that allows conversion to float. This is useful, for example, when passing aspect ratios into templates, which tend to not be integers. Fixes #3307
120 lines
2.5 KiB
Go
120 lines
2.5 KiB
Go
// Copyright 2017 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cast
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import (
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"fmt"
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"html/template"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestToInt(t *testing.T) {
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t.Parallel()
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ns := New()
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for i, test := range []struct {
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v interface{}
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expect interface{}
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}{
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{"1", 1},
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{template.HTML("2"), 2},
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{template.CSS("3"), 3},
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{template.HTMLAttr("4"), 4},
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{template.JS("5"), 5},
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{template.JSStr("6"), 6},
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{"a", false},
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{t, false},
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} {
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errMsg := fmt.Sprintf("[%d] %v", i, test.v)
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result, err := ns.ToInt(test.v)
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if b, ok := test.expect.(bool); ok && !b {
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require.Error(t, err, errMsg)
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continue
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}
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require.NoError(t, err, errMsg)
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assert.Equal(t, test.expect, result, errMsg)
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}
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}
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func TestToString(t *testing.T) {
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t.Parallel()
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ns := New()
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for i, test := range []struct {
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v interface{}
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expect interface{}
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}{
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{1, "1"},
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{template.HTML("2"), "2"},
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{"a", "a"},
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{t, false},
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} {
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errMsg := fmt.Sprintf("[%d] %v", i, test.v)
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result, err := ns.ToString(test.v)
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if b, ok := test.expect.(bool); ok && !b {
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require.Error(t, err, errMsg)
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continue
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}
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require.NoError(t, err, errMsg)
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assert.Equal(t, test.expect, result, errMsg)
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}
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}
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func TestToFloat(t *testing.T) {
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t.Parallel()
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ns := New()
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for i, test := range []struct {
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v interface{}
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expect interface{}
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}{
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{"1", 1.0},
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{template.HTML("2"), 2.0},
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{template.CSS("3"), 3.0},
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{template.HTMLAttr("4"), 4.0},
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{template.JS("-5.67"), -5.67},
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{template.JSStr("6"), 6.0},
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{"1.23", 1.23},
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{"-1.23", -1.23},
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{"0", 0.0},
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{float64(2.12), 2.12},
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{int64(123), 123.0},
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{2, 2.0},
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{t, false},
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} {
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errMsg := fmt.Sprintf("[%d] %v", i, test.v)
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result, err := ns.ToFloat(test.v)
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if b, ok := test.expect.(bool); ok && !b {
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require.Error(t, err, errMsg)
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continue
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}
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require.NoError(t, err, errMsg)
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assert.Equal(t, test.expect, result, errMsg)
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}
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}
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