go-todotxt/todotxt_test.go

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package todotxt
import (
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"io/ioutil"
"os"
"testing"
)
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var (
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testInputTasklist = "testdata/tasklist_todo.txt"
testInputTasklistCreatedDateError = "testdata/tasklist_createdDate_error.txt"
testInputTasklistDueDateError = "testdata/tasklist_dueDate_error.txt"
testInputTasklistCompletedDateError = "testdata/tasklist_completedDate_error.txt"
testInputTasklistScannerError = "testdata/tasklist_scanner_error.txt"
testOutput = "testdata/ouput_todo.txt"
testExpectedOutput = "testdata/expected_todo.txt"
testTasklist TaskList
testExpected interface{}
testGot interface{}
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)
func TestLoadFromFile(t *testing.T) {
file, err := os.Open(testInputTasklist)
if err != nil {
t.Fatal(err)
}
defer file.Close()
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if testTasklist, err := LoadFromFile(file); err != nil {
t.Fatal(err)
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} else {
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data, err := ioutil.ReadFile(testExpectedOutput)
if err != nil {
t.Fatal(err)
}
testExpected := string(data)
testGot := testTasklist.String()
if testGot != testExpected {
t.Errorf("Expected TaskList to be [%s], but got [%s]", testExpected, testGot)
}
}
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if testTasklist, err := LoadFromFile(nil); testTasklist != nil || err == nil {
t.Errorf("Expected LoadFromFile to fail, but got TaskList back: [%s]", testTasklist)
}
}
func TestLoadFromFilename(t *testing.T) {
if testTasklist, err := LoadFromFilename(testInputTasklist); err != nil {
t.Fatal(err)
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} else {
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data, err := ioutil.ReadFile(testExpectedOutput)
if err != nil {
t.Fatal(err)
}
testExpected := string(data)
testGot := testTasklist.String()
if testGot != testExpected {
t.Errorf("Expected TaskList to be [%s], but got [%s]", testExpected, testGot)
}
}
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if testTasklist, err := LoadFromFilename("some_file_that_does_not_exists.txt"); testTasklist != nil || err == nil {
t.Errorf("Expected LoadFromFilename to fail, but got TaskList back: [%s]", testTasklist)
}
}
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func TestWriteFile(t *testing.T) {
os.Remove(testOutput)
os.Create(testOutput)
var err error
fileInput, err := os.Open(testInputTasklist)
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if err != nil {
t.Fatal(err)
}
defer fileInput.Close()
fileOutput, err := os.OpenFile(testOutput, os.O_RDWR, 0644)
if err != nil {
t.Fatal(err)
}
defer fileInput.Close()
if testTasklist, err = LoadFromFile(fileInput); err != nil {
t.Fatal(err)
}
if err = WriteToFile(&testTasklist, fileOutput); err != nil {
t.Fatal(err)
}
fileInput.Close()
fileOutput, err = os.Open(testOutput)
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if err != nil {
t.Fatal(err)
}
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if testTasklist, err = LoadFromFile(fileOutput); err != nil {
t.Fatal(err)
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}
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data, err := ioutil.ReadFile(testExpectedOutput)
if err != nil {
t.Fatal(err)
}
testExpected := string(data)
testGot := testTasklist.String()
if testGot != testExpected {
t.Errorf("Expected TaskList to be [%s], but got [%s]", testExpected, testGot)
}
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}
func TestTaskListWriteFile(t *testing.T) {
os.Remove(testOutput)
os.Create(testOutput)
testTasklist := TaskList{}
fileInput, err := os.Open(testInputTasklist)
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if err != nil {
t.Fatal(err)
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}
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defer fileInput.Close()
fileOutput, err := os.OpenFile(testOutput, os.O_RDWR, 0644)
if err != nil {
t.Fatal(err)
}
defer fileInput.Close()
if err := testTasklist.LoadFromFile(fileInput); err != nil {
t.Fatal(err)
}
if err := testTasklist.WriteToFile(fileOutput); err != nil {
t.Fatal(err)
}
fileInput.Close()
fileOutput, err = os.Open(testOutput)
if err != nil {
t.Fatal(err)
}
if err := testTasklist.LoadFromFile(fileOutput); err != nil {
t.Fatal(err)
}
data, err := ioutil.ReadFile(testExpectedOutput)
if err != nil {
t.Fatal(err)
}
testExpected := string(data)
testGot := testTasklist.String()
if testGot != testExpected {
t.Errorf("Expected TaskList to be [%s], but got [%s]", testExpected, testGot)
}
}
func TestWriteFilename(t *testing.T) {
os.Remove(testOutput)
var err error
if testTasklist, err = LoadFromFilename(testInputTasklist); err != nil {
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t.Fatal(err)
}
if err = WriteToFilename(&testTasklist, testOutput); err != nil {
t.Fatal(err)
}
if testTasklist, err = LoadFromFilename(testOutput); err != nil {
t.Fatal(err)
}
data, err := ioutil.ReadFile(testExpectedOutput)
if err != nil {
t.Fatal(err)
}
testExpected := string(data)
testGot := testTasklist.String()
if testGot != testExpected {
t.Errorf("Expected TaskList to be [%s], but got [%s]", testExpected, testGot)
}
}
func TestTaskListWriteFilename(t *testing.T) {
os.Remove(testOutput)
testTasklist := TaskList{}
if err := testTasklist.LoadFromFilename(testInputTasklist); err != nil {
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t.Fatal(err)
}
if err := testTasklist.WriteToFilename(testOutput); err != nil {
t.Fatal(err)
}
if err := testTasklist.LoadFromFilename(testOutput); err != nil {
t.Fatal(err)
}
data, err := ioutil.ReadFile(testExpectedOutput)
if err != nil {
t.Fatal(err)
}
testExpected := string(data)
testGot := testTasklist.String()
if testGot != testExpected {
t.Errorf("Expected TaskList to be [%s], but got [%s]", testExpected, testGot)
}
}
func TestTaskListCount(t *testing.T) {
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if err := testTasklist.LoadFromFilename(testInputTasklist); err != nil {
t.Fatal(err)
}
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testExpected := 63
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testGot := len(testTasklist)
if testGot != testExpected {
t.Errorf("Expected TaskList to contain %d tasks, but got %d", testExpected, testGot)
}
}
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func TestTaskListReadErrors(t *testing.T) {
if testTasklist, err := LoadFromFilename(testInputTasklistCreatedDateError); testTasklist != nil || err == nil {
t.Errorf("Expected LoadFromFilename to fail because of invalid created date, but got TaskList back: [%s]", testTasklist)
} else if err.Error() != `parsing time "2013-13-01": month out of range` {
t.Error(err)
}
if testTasklist, err := LoadFromFilename(testInputTasklistDueDateError); testTasklist != nil || err == nil {
t.Errorf("Expected LoadFromFilename to fail because of invalid due date, but got TaskList back: [%s]", testTasklist)
} else if err.Error() != `parsing time "2014-02-32": day out of range` {
t.Error(err)
}
if testTasklist, err := LoadFromFilename(testInputTasklistCompletedDateError); testTasklist != nil || err == nil {
t.Errorf("Expected LoadFromFilename to fail because of invalid completed date, but got TaskList back: [%s]", testTasklist)
} else if err.Error() != `parsing time "2014-25-04": month out of range` {
t.Error(err)
}
// really silly test
if testTasklist, err := LoadFromFilename(testInputTasklistScannerError); testTasklist != nil || err == nil {
t.Errorf("Expected LoadFromFilename to fail because of invalid file, but got TaskList back: [%s]", testTasklist)
} else if err.Error() != `bufio.Scanner: token too long` {
t.Error(err)
}
}