mirror of https://github.com/on4kjm/FLEcli.git
parent
9a174a36d8
commit
bcdae46979
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package cmd
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/*
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Copyright © 2020 Jean-Marc Meessen, ON4KJM <on4kjm@gmail.com>
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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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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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*/
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import (
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"os"
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//"log"
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"fmt"
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)
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// does the target file exist?
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// is the file defined
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// remove the extention
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//returning "" is considered as invalid
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func buildOutputFilename(output string, input string, overwrite bool) (outputFilename string, wasOK bool) {
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outputFilename = ""
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//validate that input is populated (should never happen if properly called)
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if input == "" {
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return "", false
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}
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//an output was provided by the user
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if output != "" {
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info, err := os.Stat(output)
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if os.IsNotExist(err) {
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return output, true
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}
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//It exisits but is a directory
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if info.IsDir() {
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fmt.Println("Error: specified output exists and is a directory")
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return "", false
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}
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if overwrite {
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//user accepted to overwrite the file
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return output, true
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}
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return "", false
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}
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//if output is not null, check if file exits
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//if it exists, check the flag
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//if output
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return outputFilename, true
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}
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// fileExists checks if a file exists and is not a directory before we
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// try using it to prevent further errors.
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func fileExists(filename string) bool {
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info, err := os.Stat(filename)
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if os.IsNotExist(err) {
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return false
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}
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return !info.IsDir()
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}
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@ -0,0 +1,76 @@
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package cmd
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import (
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"os"
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"testing"
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)
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const testDir string = "test_dir"
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const testFile string = "test.adi"
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func setupTestCase(t *testing.T) func(t *testing.T) {
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t.Log("setup test case")
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//create test directory
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os.Mkdir(testDir, os.FileMode(0522))
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//create test file
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f, _ := os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666)
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defer f.Close()
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return func(t *testing.T) {
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t.Log("teardown test case")
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//delete test directory
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os.Remove(testDir)
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//detete test file
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os.Remove(testFile)
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}
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}
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func Test_buildOutputFilename(t *testing.T) {
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type args struct {
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output string
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input string
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overwrite bool
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}
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tests := []struct {
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name string
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args args
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wantOutputFilename string
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wantWasOK bool
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}{
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{
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"input file not provided",
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args{input: "", output: "xxx", overwrite: false},
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"", false,
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},
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{
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"Output file does not exist",
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args{input: "a file", output: "output.adi", overwrite: false},
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"output.adi", true,
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},
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{
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"Output name is a directory",
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args{input: "a file", output: testDir, overwrite: false},
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"", false,
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},
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{
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"Output exisit but no overwrite",
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args{input: "a file", output: testFile, overwrite: false},
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"", false,
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},
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}
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teardownTestCase := setupTestCase(t)
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defer teardownTestCase(t)
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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gotOutputFilename, gotWasOK := buildOutputFilename(tt.args.output, tt.args.input, tt.args.overwrite)
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if gotOutputFilename != tt.wantOutputFilename {
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t.Errorf("buildOutputFilename() gotOutputFilename = %v, want %v", gotOutputFilename, tt.wantOutputFilename)
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}
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if gotWasOK != tt.wantWasOK {
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t.Errorf("buildOutputFilename() gotWasOK = %v, want %v", gotWasOK, tt.wantWasOK)
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}
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})
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}
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}
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@ -0,0 +1,21 @@
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package cmd
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/*
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Copyright © 2020 Jean-Marc Meessen, ON4KJM <on4kjm@gmail.com>
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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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|
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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*/
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// does the target file exist?
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// is the file defined
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// remove the extention
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Loading…
Reference in new issue