json2xml - convert_test.go

     1  package json2xml
     2  
     3  import (
     4  	"encoding/json"
     5  	"encoding/xml"
     6  	"strings"
     7  	"testing"
     8  )
     9  
    10  func TestBasic(t *testing.T) {
    11  	var buf strings.Builder
    12  	for n, test := range []struct {
    13  		Input, Output string
    14  	}{
    15  		{"{}", "<object></object>"},
    16  		{"[]", "<array></array>"},
    17  		{"123", "<number>123</number>"},
    18  		{"123.456", "<number>123.456</number>"},
    19  		{"true", "<boolean>true</boolean>"},
    20  		{"false", "<boolean>false</boolean>"},
    21  		{"\"A\"", "<string>A</string>"},
    22  		{"\"Hello, World\"", "<string>Hello, World</string>"},
    23  		{"\"Hello,\\nWorld\"", "<string>Hello,\nWorld</string>"},
    24  		{"null", "<null></null>"},
    25  	} {
    26  		x := xml.NewEncoder(&buf)
    27  		if err := Convert(json.NewDecoder(strings.NewReader(test.Input)), x); err != nil {
    28  			t.Errorf("test %d: unexpected error: %s", n+1, err)
    29  			continue
    30  		}
    31  		x.Flush()
    32  		output := buf.String()
    33  		buf.Reset()
    34  		if output != test.Output {
    35  			t.Errorf("test %d: expecting %q, got %q", n+1, test.Output, output)
    36  		}
    37  	}
    38  }
    39  
    40  func TestComplex(t *testing.T) {
    41  	var buf strings.Builder
    42  	for n, test := range []struct {
    43  		Input, Output string
    44  	}{
    45  		{"{\"Name1\":\"String1\"}", "<object><string name=\"Name1\">String1</string></object>"},
    46  		{"[\"Name1\",\"String1\"]", "<array><string>Name1</string><string>String1</string></array>"},
    47  		{"[{\"A\":[{\"B\":3.14159,\"C\":null},\"D\",\"E\",null,1.234],\"F\":123},\"G\"]", "<array><object><array name=\"A\"><object><number name=\"B\">3.14159</number><null name=\"C\"></null></object><string>D</string><string>E</string><null></null><number>1.234</number></array><number name=\"F\">123</number></object><string>G</string></array>"},
    48  	} {
    49  		x := xml.NewEncoder(&buf)
    50  		if err := Convert(json.NewDecoder(strings.NewReader(test.Input)), x); err != nil {
    51  			t.Errorf("test %d: unexpected error: %s", n+1, err)
    52  			continue
    53  		}
    54  		x.Flush()
    55  		output := buf.String()
    56  		buf.Reset()
    57  		if output != test.Output {
    58  			t.Errorf("test %d: expecting %q, got %q", n+1, test.Output, output)
    59  		}
    60  	}
    61  }