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JSON-Java-unit-test/CDLTest.java at master · teocci/JSON-Java-unit-test · GitHub
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package
org
.
json
.
junit
;
import
static
org
.
junit
.
Assert
.*;
import
org
.
junit
.
Test
;
import
org
.
json
.
JSONException
;
import
org
.
json
.
JSONObject
;
import
org
.
json
.
JSONArray
;
import
org
.
json
.
CDL
;
/**
* Tests for CDL.java.
* CDL provides an application level API, but it is not used by the
* reference app. To test it, strings will be converted to JSON-Java classes
* and then converted back.
*/
public
class
CDLTest
{
/**
* String of lines where the column names are in the first row,
* and all subsequent rows are values. All keys and values should be legal.
*/
String
lines
=
new
String
(
"Col 1, Col 2,
\t
Col 3, Col 4, Col 5, Col 6, Col 7
\n
"
+
"val1, val2, val3, val4, val5, val6, val7
\n
"
+
"1, 2, 3, 4
\t
, 5, 6, 7
\n
"
+
"true, false, true, true, false, false, false
\n
"
+
"0.23, 57.42, 5e27, -234.879, 2.34e5, 0.0, 9e-3
\n
"
+
"
\"
va
\t
l1
\"
,
\"
v
\b
al2
\"
,
\"
val3
\"
,
\"
val
\f
4
\"
,
\"
val5
\"
, va
\'
l6, val7
\n
"
);
/**
* CDL.toJSONArray() adds all values asstrings, with no filtering or
* conversions. For testing, this means that the expected JSONObject
* values all must be quoted in the cases where the JSONObject parsing
* might normally convert the value into a non-string.
*/
String
expectedLines
=
new
String
(
"[{Col 1:val1, Col 2:val2, Col 3:val3, Col 4:val4, Col 5:val5, Col 6:val6, Col 7:val7}, "
+
"{Col 1:
\"
1
\"
, Col 2:
\"
2
\"
, Col 3:
\"
3
\"
, Col 4:
\"
4
\"
, Col 5:
\"
5
\"
, Col 6:
\"
6
\"
, Col 7:
\"
7
\"
}, "
+
"{Col 1:
\"
true
\"
, Col 2:
\"
false
\"
, Col 3:
\"
true
\"
, Col 4:
\"
true
\"
, Col 5:
\"
false
\"
, Col 6:
\"
false
\"
, Col 7:
\"
false
\"
}, "
+
"{Col 1:
\"
0.23
\"
, Col 2:
\"
57.42
\"
, Col 3:
\"
5e27
\"
, Col 4:
\"
-234.879
\"
, Col 5:
\"
2.34e5
\"
, Col 6:
\"
0.0
\"
, Col 7:
\"
9e-3
\"
}, "
+
"{Col 1:
\"
va
\t
l1
\"
, Col 2:
\"
v
\b
al2
\"
, Col 3:val3, Col 4:
\"
val
\f
4
\"
, Col 5:val5, Col 6:va
\'
l6, Col 7:val7}]"
);
@
Test
(
expected
=
NullPointerException
.
class
)
public
void
exceptionOnNullString
() {
/**
* Attempts to create a JSONArray from a null string
*/
String
nullStr
=
null
;
CDL
.
toJSONArray
(
nullStr
);
}
@
Test
(
expected
=
JSONException
.
class
)
public
void
unbalancedQuoteInName
() {
/**
* Attempts to create a JSONArray from a string with unbalanced quotes
* in column title line
*/
String
badLine
=
"Col1,
\"
Col2
\n
Val1, Val2"
;
CDL
.
toJSONArray
(
badLine
);
}
@
Test
(
expected
=
JSONException
.
class
)
public
void
unbalancedQuoteInValue
() {
/**
* Attempts to create a JSONArray from a string with unbalanced quotes
* in value line
*/
String
badLine
=
"Col1, Col2
\n
\"
Val1, Val2"
;
CDL
.
toJSONArray
(
badLine
);
}
@
Test
(
expected
=
JSONException
.
class
)
public
void
nullInName
() {
/**
* Attempts to create a JSONArray from a string with null char
* in column title line
*/
String
badLine
=
"C
\0
ol1, Col2
\n
Val1, Val2"
;
CDL
.
toJSONArray
(
badLine
);
}
@
Test
(
expected
=
NullPointerException
.
class
)
public
void
nullJSONArrayToString
() {
/**
* call toString with a null array
*/
CDL
.
toString
((
JSONArray
)
null
);
}
@
Test
public
void
emptyString
() {
/**
* Create a JSONArray from an empty string
*/
String
emptyStr
=
""
;
JSONArray
jsonArray
=
CDL
.
toJSONArray
(
emptyStr
);
assertTrue
(
"CDL should return null when the input string is empty"
,
jsonArray
==
null
);
}
@
Test
public
void
onlyColumnNames
() {
/**
* Create a JSONArray with only 1 row
*/
String
columnNameStr
=
"col1, col2, col3"
;
JSONArray
jsonArray
=
CDL
.
toJSONArray
(
columnNameStr
);
assertTrue
(
"CDL should return null when only 1 row is given"
,
jsonArray
==
null
);
}
@
Test
public
void
emptyLinesToJSONArray
() {
/**
* Create a JSONArray from string containing only whitespace and commas
*/
String
str
=
" , , ,
\n
, , , "
;
JSONArray
jsonArray
=
CDL
.
toJSONArray
(
str
);
assertTrue
(
"JSONArray should be null for no content"
,
jsonArray
==
null
);
}
@
Test
public
void
emptyJSONArrayToString
() {
/**
* call toString with a null array
*/
JSONArray
jsonArray
=
new
JSONArray
();
String
str
=
CDL
.
toString
(
jsonArray
);
assertTrue
(
"CDL should return null for toString(null)"
,
str
==
null
);
}
@
Test
public
void
nullJSONArraysToString
() {
/**
* call toString with a null arrays for names and values
*/
String
str
=
CDL
.
toString
(
null
,
null
);
assertTrue
(
"CDL should return null for toString(null)"
,
str
==
null
);
}
@
Test
public
void
checkSpecialChars
() {
/**
* Given a JSONArray that was not built by CDL, some chars may be
* found that would otherwise be filtered out by CDL.
*/
JSONArray
jsonArray
=
new
JSONArray
();
JSONObject
jsonObject
=
new
JSONObject
();
jsonArray
.
put
(
jsonObject
);
// \r will be filtered from name
jsonObject
.
put
(
"Col
\r
1"
,
"V1"
);
// \r will be filtered from value
jsonObject
.
put
(
"Col 2"
,
"V2
\r
"
);
assertTrue
(
"expected length should be 1"
,
jsonArray
.
length
() ==
1
);
String
cdlStr
=
CDL
.
toString
(
jsonArray
);
jsonObject
=
jsonArray
.
getJSONObject
(
0
);
assertTrue
(
cdlStr
.
contains
(
"
\"
Col 1
\"
"
));
assertTrue
(
cdlStr
.
contains
(
"Col 2"
));
assertTrue
(
cdlStr
.
contains
(
"V1"
));
assertTrue
(
cdlStr
.
contains
(
"
\"
V2
\"
"
));
}
@
Test
public
void
textToJSONArray
() {
/**
* Create a JSONArray from a string of lines
*/
JSONArray
jsonArray
=
CDL
.
toJSONArray
(
lines
);
JSONArray
expectedJsonArray
=
new
JSONArray
(
expectedLines
);
Util
.
compareActualVsExpectedJsonArrays
(
jsonArray
,
expectedJsonArray
);
}
@
Test
public
void
jsonArrayToJSONArray
() {
/**
* Create a JSONArray from a JSONArray of titles and a
* string of value lines
*/
String
nameArrayStr
=
"[Col1, Col2]"
;
String
values
=
"V1, V2"
;
JSONArray
nameJSONArray
=
new
JSONArray
(
nameArrayStr
);
JSONArray
jsonArray
=
CDL
.
toJSONArray
(
nameJSONArray
,
values
);
JSONArray
expectedJsonArray
=
new
JSONArray
(
"[{Col1:V1,Col2:V2}]"
);
Util
.
compareActualVsExpectedJsonArrays
(
jsonArray
,
expectedJsonArray
);
}
@
Test
public
void
textToJSONArrayAndBackToString
() {
/**
* Create a JSONArray from a string of lines,
* then convert to string and then back to JSONArray
*/
JSONArray
jsonArray
=
CDL
.
toJSONArray
(
lines
);
String
jsonStr
=
CDL
.
toString
(
jsonArray
);
JSONArray
finalJsonArray
=
CDL
.
toJSONArray
(
jsonStr
);
JSONArray
expectedJsonArray
=
new
JSONArray
(
expectedLines
);
Util
.
compareActualVsExpectedJsonArrays
(
finalJsonArray
,
expectedJsonArray
);
}
}
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