mirror of https://github.com/docker/cli.git
89 lines
2.0 KiB
Go
89 lines
2.0 KiB
Go
package templates
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import (
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"bytes"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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// Github #32120
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func TestParseJSONFunctions(t *testing.T) {
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tm, err := Parse(`{{json .Ports}}`)
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assert.NoError(t, err)
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var b bytes.Buffer
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assert.NoError(t, tm.Execute(&b, map[string]string{"Ports": "0.0.0.0:2->8/udp"}))
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want := "\"0.0.0.0:2->8/udp\""
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assert.Equal(t, want, b.String())
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}
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func TestParseStringFunctions(t *testing.T) {
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tm, err := Parse(`{{join (split . ":") "/"}}`)
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assert.NoError(t, err)
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var b bytes.Buffer
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assert.NoError(t, tm.Execute(&b, "text:with:colon"))
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want := "text/with/colon"
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assert.Equal(t, want, b.String())
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}
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func TestNewParse(t *testing.T) {
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tm, err := NewParse("foo", "this is a {{ . }}")
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assert.NoError(t, err)
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var b bytes.Buffer
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assert.NoError(t, tm.Execute(&b, "string"))
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want := "this is a string"
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assert.Equal(t, want, b.String())
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}
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func TestParseTruncateFunction(t *testing.T) {
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source := "tupx5xzf6hvsrhnruz5cr8gwp"
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testCases := []struct {
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template string
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expected string
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}{
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{
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template: `{{truncate . 5}}`,
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expected: "tupx5",
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},
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{
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template: `{{truncate . 25}}`,
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expected: "tupx5xzf6hvsrhnruz5cr8gwp",
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},
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{
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template: `{{truncate . 30}}`,
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expected: "tupx5xzf6hvsrhnruz5cr8gwp",
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},
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{
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template: `{{pad . 3 3}}`,
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expected: " tupx5xzf6hvsrhnruz5cr8gwp ",
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},
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}
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for _, testCase := range testCases {
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tm, err := Parse(testCase.template)
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assert.NoError(t, err)
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t.Run("Non Empty Source Test with template: "+testCase.template, func(t *testing.T) {
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var b bytes.Buffer
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assert.NoError(t, tm.Execute(&b, source))
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assert.Equal(t, testCase.expected, b.String())
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})
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t.Run("Empty Source Test with template: "+testCase.template, func(t *testing.T) {
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var c bytes.Buffer
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assert.NoError(t, tm.Execute(&c, ""))
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assert.Equal(t, "", c.String())
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})
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t.Run("Nil Source Test with template: "+testCase.template, func(t *testing.T) {
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var c bytes.Buffer
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assert.Error(t, tm.Execute(&c, nil))
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assert.Equal(t, "", c.String())
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})
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}
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}
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