mirror of https://github.com/harness/drone.git
147 lines
3.8 KiB
Go
147 lines
3.8 KiB
Go
// Copyright 2023 Harness, Inc.
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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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//
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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 parser
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import (
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"bytes"
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"testing"
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"github.com/gotidy/ptr"
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"github.com/stretchr/testify/assert"
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)
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func Test_readTextFileEmpty(t *testing.T) {
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scanner, le, err := ReadTextFile(bytes.NewReader(nil), nil)
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assert.NoError(t, err)
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assert.Equal(t, "\n", le)
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ok := scanner.Scan()
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assert.False(t, ok)
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assert.NoError(t, scanner.Err())
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}
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func Test_readTextFileFirstLineNotUTF8(t *testing.T) {
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scanner, _, err := ReadTextFile(bytes.NewReader([]byte{0xFF, 0xFF}), nil)
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// method itself doesn't return an error, only the scanning fails for utf8.
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assert.NotNil(t, scanner)
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assert.NoError(t, err)
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ok := scanner.Scan()
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assert.False(t, ok)
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assert.ErrorIs(t, scanner.Err(), ErrBinaryFile)
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}
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func Test_readTextFileNoLineEnding(t *testing.T) {
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scanner, le, err := ReadTextFile(bytes.NewReader([]byte("abc")), nil)
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assert.NoError(t, err)
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assert.Equal(t, "\n", le)
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ok := scanner.Scan()
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assert.True(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Equal(t, "abc", scanner.Text())
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ok = scanner.Scan()
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assert.False(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Nil(t, scanner.Bytes())
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}
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func Test_readTextFileLineEndingLF(t *testing.T) {
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scanner, le, err := ReadTextFile(bytes.NewReader([]byte("abc\n")), nil)
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assert.NoError(t, err)
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assert.Equal(t, "\n", le)
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ok := scanner.Scan()
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assert.True(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Equal(t, "abc\n", scanner.Text())
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ok = scanner.Scan()
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assert.False(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Nil(t, scanner.Bytes())
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}
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func Test_readTextFileLineEndingCRLF(t *testing.T) {
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scanner, le, err := ReadTextFile(bytes.NewReader([]byte("abc\r\n")), nil)
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assert.NoError(t, err)
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assert.Equal(t, "\r\n", le)
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ok := scanner.Scan()
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assert.True(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Equal(t, "abc\r\n", scanner.Text())
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ok = scanner.Scan()
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assert.False(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Nil(t, scanner.Bytes())
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}
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func Test_readTextFileLineEndingMultiple(t *testing.T) {
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scanner, le, err := ReadTextFile(bytes.NewReader([]byte("abc\r\nd\n")), nil)
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assert.NoError(t, err)
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assert.Equal(t, "\r\n", le)
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ok := scanner.Scan()
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assert.True(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Equal(t, "abc\r\n", scanner.Text())
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ok = scanner.Scan()
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assert.True(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Equal(t, "d\n", scanner.Text())
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ok = scanner.Scan()
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assert.False(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Nil(t, scanner.Bytes())
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}
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func Test_readTextFileLineEndingReplacementEmpty(t *testing.T) {
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scanner, le, err := ReadTextFile(bytes.NewReader([]byte("abc\r\n")), ptr.Of(""))
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assert.NoError(t, err)
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assert.Equal(t, "\r\n", le)
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ok := scanner.Scan()
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assert.True(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Equal(t, "abc", scanner.Text())
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}
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func Test_readTextFileLineEndingReplacement(t *testing.T) {
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scanner, le, err := ReadTextFile(bytes.NewReader([]byte("abc\r\nd")), ptr.Of("\n"))
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assert.NoError(t, err)
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assert.Equal(t, "\r\n", le)
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ok := scanner.Scan()
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assert.True(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Equal(t, "abc\n", scanner.Text())
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ok = scanner.Scan()
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assert.True(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Equal(t, "d", scanner.Text())
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ok = scanner.Scan()
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assert.False(t, ok)
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assert.NoError(t, scanner.Err())
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assert.Nil(t, scanner.Bytes())
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}
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