github.com/stefanmcshane/helm@v0.0.0-20221213002717-88a4a2c6e77d/pkg/time/time_test.go (about)

     1  /*
     2  Copyright The Helm Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package time
    18  
    19  import (
    20  	"encoding/json"
    21  	"testing"
    22  	"time"
    23  )
    24  
    25  var (
    26  	testingTime, _    = Parse(time.RFC3339, "1977-09-02T22:04:05Z")
    27  	testingTimeString = `"1977-09-02T22:04:05Z"`
    28  )
    29  
    30  func TestNonZeroValueMarshal(t *testing.T) {
    31  	res, err := json.Marshal(testingTime)
    32  	if err != nil {
    33  		t.Fatal(err)
    34  	}
    35  	if testingTimeString != string(res) {
    36  		t.Errorf("expected a marshaled value of %s, got %s", testingTimeString, res)
    37  	}
    38  }
    39  
    40  func TestZeroValueMarshal(t *testing.T) {
    41  	res, err := json.Marshal(Time{})
    42  	if err != nil {
    43  		t.Fatal(err)
    44  	}
    45  	if string(res) != emptyString {
    46  		t.Errorf("expected zero value to marshal to empty string, got %s", res)
    47  	}
    48  }
    49  
    50  func TestNonZeroValueUnmarshal(t *testing.T) {
    51  	var myTime Time
    52  	err := json.Unmarshal([]byte(testingTimeString), &myTime)
    53  	if err != nil {
    54  		t.Fatal(err)
    55  	}
    56  	if !myTime.Equal(testingTime) {
    57  		t.Errorf("expected time to be equal to %v, got %v", testingTime, myTime)
    58  	}
    59  }
    60  
    61  func TestEmptyStringUnmarshal(t *testing.T) {
    62  	var myTime Time
    63  	err := json.Unmarshal([]byte(emptyString), &myTime)
    64  	if err != nil {
    65  		t.Fatal(err)
    66  	}
    67  	if !myTime.IsZero() {
    68  		t.Errorf("expected time to be equal to zero value, got %v", myTime)
    69  	}
    70  }
    71  
    72  func TestZeroValueUnmarshal(t *testing.T) {
    73  	// This test ensures that we can unmarshal any time value that was output
    74  	// with the current go default value of "0001-01-01T00:00:00Z"
    75  	var myTime Time
    76  	err := json.Unmarshal([]byte(`"0001-01-01T00:00:00Z"`), &myTime)
    77  	if err != nil {
    78  		t.Fatal(err)
    79  	}
    80  	if !myTime.IsZero() {
    81  		t.Errorf("expected time to be equal to zero value, got %v", myTime)
    82  	}
    83  }