railpack

1package plan2 3import (4	"encoding/json"5	"testing"6 7	"github.com/google/go-cmp/cmp"8)9 10func TestUnmarshalInput(t *testing.T) {11	tests := []struct {12		name     string13		input    []byte14		expected Layer15		wantErr  bool16	}{17		{18			name:     "JSON step input",19			input:    []byte(`{"step": "build", "include": ["src"]}`),20			expected: NewStepLayer("build", Filter{Include: []string{"src"}}),21			wantErr:  false,22		},23		{24			name:     "JSON image input",25			input:    []byte(`{"image": "golang:1.21", "exclude": ["tmp"]}`),26			expected: NewImageLayer("golang:1.21", Filter{Exclude: []string{"tmp"}}),27			wantErr:  false,28		},29		{30			name:     "JSON local input",31			input:    []byte(`{"local": true, "include": ["."]}`),32			expected: NewLocalLayer(),33			wantErr:  false,34		},35		{36			name:     "String local input with dot",37			input:    []byte(`"."`),38			expected: NewLocalLayer(),39			wantErr:  false,40		},41		{42			name:     "String spread input",43			input:    []byte(`"..."`),44			expected: Layer{Spread: true},45			wantErr:  false,46		},47		{48			name:     "String step input",49			input:    []byte(`"$build"`),50			expected: NewStepLayer("build"),51			wantErr:  false,52		},53		{54			name:    "Invalid string input",55			input:   []byte(`"invalid"`),56			wantErr: true,57		},58		{59			name:    "Invalid JSON input",60			input:   []byte(`{"invalid": json}`),61			wantErr: true,62		},63	}64 65	for _, tt := range tests {66		t.Run(tt.name, func(t *testing.T) {67			var got Layer68			err := json.Unmarshal(tt.input, &got)69			if (err != nil) != tt.wantErr {70				t.Errorf("UnmarshalInput() error = %v, wantErr %v", err, tt.wantErr)71				return72			}73			if !tt.wantErr {74				if diff := cmp.Diff(tt.expected, got); diff != "" {75					t.Errorf("UnmarshalInput() mismatch (-want +got):\n%s", diff)76				}77			}78		})79	}80}81