github.com/actions-on-google/gactions@v3.2.0+incompatible/api/yamlutils_test.go (about)

     1  // Copyright 2020 Google LLC
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     https://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package yamlutils
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/protolambda/messagediff"
    21  	"gopkg.in/yaml.v2"
    22  )
    23  
    24  func TestUnmarshalYamlToJSONRecover(t *testing.T) {
    25  	originalUnmarshal := unmarshal
    26  	unmarshal = func([]byte, interface{}) error {
    27  		panic("This is a panic")
    28  	}
    29  	defer func() { unmarshal = originalUnmarshal }()
    30  	got, err := UnmarshalYAMLToMap([]byte("ignored_yaml"))
    31  	if got != nil {
    32  		t.Errorf("got %v, want err", got)
    33  	}
    34  	if "panic caught: invalid yaml file" != err.Error() {
    35  		t.Errorf("got %v, want \"invalid yaml file\"", err)
    36  	}
    37  }
    38  
    39  func TestUnmarshalYamlToMap(t *testing.T) {
    40  	in, err := yaml.Marshal(map[string]interface{}{
    41  		"snake_case": 3,
    42  		"foo_bar": map[string]interface{}{
    43  			"the_answer": 42,
    44  			"foo":        "remains the same",
    45  		},
    46  	})
    47  	if err != nil {
    48  		t.Fatalf("Can not parse map into yaml: %v", err)
    49  	}
    50  	got, err := UnmarshalYAMLToMap(in)
    51  	want := map[string]interface{}{
    52  		"snake_case": 3,
    53  		"foo_bar": map[string]interface{}{
    54  			"the_answer": 42,
    55  			"foo":        "remains the same",
    56  		},
    57  	}
    58  	if err != nil {
    59  		t.Errorf("UnmarshalYAMLToMap produced an error: got %v, want %v", err, nil)
    60  	}
    61  	diff, equal := messagediff.DeepDiff(want, got)
    62  	if !equal {
    63  		t.Errorf("UnmarshalYAMLToMap returned an incorrect value; diff (want -> got)\n%s", diff)
    64  	}
    65  }
    66  
    67  func TestDOSYAML(t *testing.T) {
    68  	dos := `
    69  a: &a ["lol","lol","lol","lol","lol","lol","lol","lol","lol"]
    70  b: &b [*a,*a,*a,*a,*a,*a,*a,*a,*a]
    71  c: &c [*b,*b,*b,*b,*b,*b,*b,*b,*b]
    72  d: &d [*c,*c,*c,*c,*c,*c,*c,*c,*c]
    73  e: &e [*d,*d,*d,*d,*d,*d,*d,*d,*d]
    74  f: &f [*e,*e,*e,*e,*e,*e,*e,*e,*e]
    75  g: &g [*f,*f,*f,*f,*f,*f,*f,*f,*f]
    76  h: &h [*g,*g,*g,*g,*g,*g,*g,*g,*g]
    77  i: &i [*h,*h,*h,*h,*h,*h,*h,*h,*h]
    78  `
    79  	if b, err := UnmarshalYAMLToMap([]byte(dos)); err == nil {
    80  		t.Errorf("DOS YAML successfully parsed into build %v.", b)
    81  	}
    82  }