Add basic linter config, decrease moduled Go version

2019-10-19 00:39:21 +04:00 · 2019-10-19 00:39:21 +04:00 · f7b8e36f03
parent 6adf5bc3b9
commit f7b8e36f03
7 changed files with 108 additions and 74 deletions
--- a/.golangci.yaml
+++ b/.golangci.yaml
@ -0,0 +1,24 @@
+run:
+  deadline: 2m
+linters:
+  enable-all: true
+  disable:
+    - gochecknoglobals
+    - gocritic
+    - funlen
+linters-settings:
+  lll:
+    line-length: 180
+issues:
+  exclude-rules:
+    - path: _test\.go
+      linters:
+        - dupl
+        - errcheck
+        - gocritic
+        - gocyclo
+        - gosec
+        - lll
+        - goconst
+        - unparam
+        - unused
--- a/eval_test.go
+++ b/eval_test.go
@ -15,32 +15,32 @@ type test struct {
 }

 var tests = []test{
-	test{`key selection`, `{"aKey":32}`, `$.aKey+`, []Result{newResult(`32`, JsonNumber, `aKey`)}},
-	test{`nested key selection`, `{"aKey":{"bKey":32}}`, `$.aKey+`, []Result{newResult(`{"bKey":32}`, JsonObject, `aKey`)}},
-	test{`empty array`, `{"aKey":[]}`, `$.aKey+`, []Result{newResult(`[]`, JsonArray, `aKey`)}},
-	test{`multiple same-level keys, weird spacing`, `{    "aKey" 	: true ,    "bKey":  [	1 , 2	], "cKey" 	: true		} `, `$.bKey+`, []Result{newResult(`[1,2]`, JsonArray, `bKey`)}},
+	{`key selection`, `{"aKey":32}`, `$.aKey+`, []Result{newResult(`32`, JsonNumber, `aKey`)}},
+	{`nested key selection`, `{"aKey":{"bKey":32}}`, `$.aKey+`, []Result{newResult(`{"bKey":32}`, JsonObject, `aKey`)}},
+	{`empty array`, `{"aKey":[]}`, `$.aKey+`, []Result{newResult(`[]`, JsonArray, `aKey`)}},
+	{`multiple same-level keys, weird spacing`, `{    "aKey" 	: true ,    "bKey":  [	1 , 2	], "cKey" 	: true		} `, `$.bKey+`, []Result{newResult(`[1,2]`, JsonArray, `bKey`)}},

-	test{`array index selection`, `{"aKey":[123,456]}`, `$.aKey[1]+`, []Result{newResult(`456`, JsonNumber, `aKey`, 1)}},
-	test{`array wild index selection`, `{"aKey":[123,456]}`, `$.aKey[*]+`, []Result{newResult(`123`, JsonNumber, `aKey`, 0), newResult(`456`, JsonNumber, `aKey`, 1)}},
-	test{`array range index selection`, `{"aKey":[11,22,33,44]}`, `$.aKey[1:3]+`, []Result{newResult(`22`, JsonNumber, `aKey`, 1), newResult(`33`, JsonNumber, `aKey`, 2)}},
-	test{`array range (no index) selection`, `{"aKey":[11,22,33,44]}`, `$.aKey[1:1]+`, []Result{}},
-	test{`array range (no upper bound) selection`, `{"aKey":[11,22,33]}`, `$.aKey[1:]+`, []Result{newResult(`22`, JsonNumber, `aKey`, 1), newResult(`33`, JsonNumber, `aKey`, 2)}},
+	{`array index selection`, `{"aKey":[123,456]}`, `$.aKey[1]+`, []Result{newResult(`456`, JsonNumber, `aKey`, 1)}},
+	{`array wild index selection`, `{"aKey":[123,456]}`, `$.aKey[*]+`, []Result{newResult(`123`, JsonNumber, `aKey`, 0), newResult(`456`, JsonNumber, `aKey`, 1)}},
+	{`array range index selection`, `{"aKey":[11,22,33,44]}`, `$.aKey[1:3]+`, []Result{newResult(`22`, JsonNumber, `aKey`, 1), newResult(`33`, JsonNumber, `aKey`, 2)}},
+	{`array range (no index) selection`, `{"aKey":[11,22,33,44]}`, `$.aKey[1:1]+`, []Result{}},
+	{`array range (no upper bound) selection`, `{"aKey":[11,22,33]}`, `$.aKey[1:]+`, []Result{newResult(`22`, JsonNumber, `aKey`, 1), newResult(`33`, JsonNumber, `aKey`, 2)}},

-	test{`empty array - try selection`, `{"aKey":[]}`, `$.aKey[1]+`, []Result{}},
-	test{`null selection`, `{"aKey":[null]}`, `$.aKey[0]+`, []Result{newResult(`null`, JsonNull, `aKey`, 0)}},
-	test{`empty object`, `{"aKey":{}}`, `$.aKey+`, []Result{newResult(`{}`, JsonObject, `aKey`)}},
-	test{`object w/ height=2`, `{"aKey":{"bKey":32}}`, `$.aKey.bKey+`, []Result{newResult(`32`, JsonNumber, `aKey`, `bKey`)}},
-	test{`array of multiple types`, `{"aKey":[1,{"s":true},"asdf"]}`, `$.aKey[1]+`, []Result{newResult(`{"s":true}`, JsonObject, `aKey`, 1)}},
-	test{`nested array selection`, `{"aKey":{"bKey":[123,456]}}`, `$.aKey.bKey+`, []Result{newResult(`[123,456]`, JsonArray, `aKey`, `bKey`)}},
-	test{`nested array`, `[[[[[]], [true, false, []]]]]`, `$[0][0][1][2]+`, []Result{newResult(`[]`, JsonArray, 0, 0, 1, 2)}},
-	test{`index of array selection`, `{"aKey":{"bKey":[123, 456, 789]}}`, `$.aKey.bKey[1]+`, []Result{newResult(`456`, JsonNumber, `aKey`, `bKey`, 1)}},
-	test{`index of array selection (more than one)`, `{"aKey":{"bKey":[123,456]}}`, `$.aKey.bKey[1]+`, []Result{newResult(`456`, JsonNumber, `aKey`, `bKey`, 1)}},
-	test{`multi-level object/array`, `{"1Key":{"aKey": null, "bKey":{"trash":[1,2]}, "cKey":[123,456] }, "2Key":false}`, `$.1Key.bKey.trash[0]+`, []Result{newResult(`1`, JsonNumber, `1Key`, `bKey`, `trash`, 0)}},
-	test{`multi-level array`, `{"aKey":[true,false,null,{"michael":[5,6,7]}, ["s", "3"] ]}`, `$.*[*].michael[1]+`, []Result{newResult(`6`, JsonNumber, `aKey`, 3, `michael`, 1)}},
-	test{`multi-level array 2`, `{"aKey":[true,false,null,{"michael":[5,6,7]}, ["s", "3"] ]}`, `$.*[*][1]+`, []Result{newResult(`"3"`, JsonString, `aKey`, 4, 1)}},
+	{`empty array - try selection`, `{"aKey":[]}`, `$.aKey[1]+`, []Result{}},
+	{`null selection`, `{"aKey":[null]}`, `$.aKey[0]+`, []Result{newResult(`null`, JsonNull, `aKey`, 0)}},
+	{`empty object`, `{"aKey":{}}`, `$.aKey+`, []Result{newResult(`{}`, JsonObject, `aKey`)}},
+	{`object w/ height=2`, `{"aKey":{"bKey":32}}`, `$.aKey.bKey+`, []Result{newResult(`32`, JsonNumber, `aKey`, `bKey`)}},
+	{`array of multiple types`, `{"aKey":[1,{"s":true},"asdf"]}`, `$.aKey[1]+`, []Result{newResult(`{"s":true}`, JsonObject, `aKey`, 1)}},
+	{`nested array selection`, `{"aKey":{"bKey":[123,456]}}`, `$.aKey.bKey+`, []Result{newResult(`[123,456]`, JsonArray, `aKey`, `bKey`)}},
+	{`nested array`, `[[[[[]], [true, false, []]]]]`, `$[0][0][1][2]+`, []Result{newResult(`[]`, JsonArray, 0, 0, 1, 2)}},
+	{`index of array selection`, `{"aKey":{"bKey":[123, 456, 789]}}`, `$.aKey.bKey[1]+`, []Result{newResult(`456`, JsonNumber, `aKey`, `bKey`, 1)}},
+	{`index of array selection (more than one)`, `{"aKey":{"bKey":[123,456]}}`, `$.aKey.bKey[1]+`, []Result{newResult(`456`, JsonNumber, `aKey`, `bKey`, 1)}},
+	{`multi-level object/array`, `{"1Key":{"aKey": null, "bKey":{"trash":[1,2]}, "cKey":[123,456] }, "2Key":false}`, `$.1Key.bKey.trash[0]+`, []Result{newResult(`1`, JsonNumber, `1Key`, `bKey`, `trash`, 0)}},
+	{`multi-level array`, `{"aKey":[true,false,null,{"michael":[5,6,7]}, ["s", "3"] ]}`, `$.*[*].michael[1]+`, []Result{newResult(`6`, JsonNumber, `aKey`, 3, `michael`, 1)}},
+	{`multi-level array 2`, `{"aKey":[true,false,null,{"michael":[5,6,7]}, ["s", "3"] ]}`, `$.*[*][1]+`, []Result{newResult(`"3"`, JsonString, `aKey`, 4, 1)}},

-	test{`evaluation literal equality`, `{"items":[ {"name":"alpha", "value":11}]}`, `$.items[*]?("bravo" == "bravo").value+`, []Result{newResult(`11`, JsonNumber, `items`, 0, `value`)}},
-	test{`evaluation based on string equal to path value`, `{"items":[ {"name":"alpha", "value":11}, {"name":"bravo", "value":22}, {"name":"charlie", "value":33} ]}`, `$.items[*]?(@.name == "bravo").value+`, []Result{newResult(`22`, JsonNumber, `items`, 1, `value`)}},
+	{`evaluation literal equality`, `{"items":[ {"name":"alpha", "value":11}]}`, `$.items[*]?("bravo" == "bravo").value+`, []Result{newResult(`11`, JsonNumber, `items`, 0, `value`)}},
+	{`evaluation based on string equal to path value`, `{"items":[ {"name":"alpha", "value":11}, {"name":"bravo", "value":22}, {"name":"charlie", "value":33} ]}`, `$.items[*]?(@.name == "bravo").value+`, []Result{newResult(`22`, JsonNumber, `items`, 1, `value`)}},
 }

 func TestPathQuery(t *testing.T) {
--- a/go.mod
+++ b/go.mod
@ -1,5 +1,5 @@
 module source.wtfteam.pro/libraries/jsonpath

-go 1.13
+go 1.12

 require github.com/stretchr/testify v1.4.0
--- a/json_states.go
+++ b/json_states.go
@ -46,16 +46,16 @@ func lexJsonRoot(l lexer, state *intStack) stateFn {
 	var next stateFn
 	switch cur {
 	case '{':
-		next = stateJsonObjectOpen
+		next = stateJSONObjectOpen
 	case '[':
-		next = stateJsonArrayOpen
+		next = stateJSONArrayOpen
 	default:
 		next = l.errorf("Expected '{' or '[' at root of JSON instead of %#U", cur)
 	}
 	return next
 }

-func stateJsonObjectOpen(l lexer, state *intStack) stateFn {
+func stateJSONObjectOpen(l lexer, state *intStack) stateFn {
 	cur := l.take()
 	if cur != '{' {
 		return l.errorf("Expected '{' as start of object instead of %#U", cur)
@ -63,10 +63,10 @@ func stateJsonObjectOpen(l lexer, state *intStack) stateFn {
 	l.emit(jsonBraceLeft)
 	state.push(jsonBraceLeft)

-	return stateJsonObject
+	return stateJSONObject
 }

-func stateJsonArrayOpen(l lexer, state *intStack) stateFn {
+func stateJSONArrayOpen(l lexer, state *intStack) stateFn {
 	cur := l.take()
 	if cur != '[' {
 		return l.errorf("Expected '[' as start of array instead of %#U", cur)
@ -74,10 +74,10 @@ func stateJsonArrayOpen(l lexer, state *intStack) stateFn {
 	l.emit(jsonBracketLeft)
 	state.push(jsonBracketLeft)

-	return stateJsonArray
+	return stateJSONArray
 }

-func stateJsonObject(l lexer, state *intStack) stateFn {
+func stateJSONObject(l lexer, state *intStack) stateFn {
 	var next stateFn
 	cur := l.peek()
 	switch cur {
@ -89,16 +89,16 @@ func stateJsonObject(l lexer, state *intStack) stateFn {
 		l.take()
 		l.emit(jsonBraceRight)
 		state.pop()
-		next = stateJsonAfterValue
+		next = stateJSONAfterValue
 	case '"':
-		next = stateJsonKey
+		next = stateJSONKey
 	default:
 		next = l.errorf("Expected '}' or \" within an object instead of %#U", cur)
 	}
 	return next
 }

-func stateJsonArray(l lexer, state *intStack) stateFn {
+func stateJSONArray(l lexer, state *intStack) stateFn {
 	var next stateFn
 	cur := l.peek()
 	switch cur {
@ -110,14 +110,14 @@ func stateJsonArray(l lexer, state *intStack) stateFn {
 		l.take()
 		l.emit(jsonBracketRight)
 		state.pop()
-		next = stateJsonAfterValue
+		next = stateJSONAfterValue
 	default:
-		next = stateJsonValue
+		next = stateJSONValue
 	}
 	return next
 }

-func stateJsonAfterValue(l lexer, state *intStack) stateFn {
+func stateJSONAfterValue(l lexer, state *intStack) stateFn {
 	cur := l.take()
 	top, ok := state.peek()
 	topVal := noValue
@ -130,9 +130,9 @@ func stateJsonAfterValue(l lexer, state *intStack) stateFn {
 		l.emit(jsonComma)
 		switch topVal {
 		case jsonBraceLeft:
-			return stateJsonKey
+			return stateJSONKey
 		case jsonBracketLeft:
-			return stateJsonValue
+			return stateJSONValue
 		case noValue:
 			return l.errorf("Found %#U outside of array or object", cur)
 		default:
@ -143,11 +143,11 @@ func stateJsonAfterValue(l lexer, state *intStack) stateFn {
 		state.pop()
 		switch topVal {
 		case jsonBraceLeft:
-			return stateJsonAfterValue
+			return stateJSONAfterValue
 		case jsonBracketLeft:
 			return l.errorf("Unexpected %#U in array", cur)
 		case noValue:
-			return stateJsonAfterRoot
+			return stateJSONAfterRoot
 		}
 	case ']':
 		l.emit(jsonBracketRight)
@ -156,9 +156,9 @@ func stateJsonAfterValue(l lexer, state *intStack) stateFn {
 		case jsonBraceLeft:
 			return l.errorf("Unexpected %#U in object", cur)
 		case jsonBracketLeft:
-			return stateJsonAfterValue
+			return stateJSONAfterValue
 		case noValue:
-			return stateJsonAfterRoot
+			return stateJSONAfterRoot
 		}
 	case eof:
 		if state.len() == 0 {
@ -173,65 +173,65 @@ func stateJsonAfterValue(l lexer, state *intStack) stateFn {
 	return nil
 }

-func stateJsonKey(l lexer, state *intStack) stateFn {
+func stateJSONKey(l lexer, state *intStack) stateFn {
 	if err := l.takeString(); err != nil {
 		return l.errorf(err.Error())
 	}
 	l.emit(jsonKey)

-	return stateJsonColon
+	return stateJSONColon
 }

-func stateJsonColon(l lexer, state *intStack) stateFn {
+func stateJSONColon(l lexer, state *intStack) stateFn {
 	cur := l.take()
 	if cur != ':' {
 		return l.errorf("Expected ':' after key string instead of %#U", cur)
 	}
 	l.emit(jsonColon)

-	return stateJsonValue
+	return stateJSONValue
 }

-func stateJsonValue(l lexer, state *intStack) stateFn {
+func stateJSONValue(l lexer, state *intStack) stateFn {
 	cur := l.peek()

 	switch cur {
 	case eof:
 		return l.errorf("Unexpected EOF instead of value")
 	case '"':
-		return stateJsonString
+		return stateJSONString
 	case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
-		return stateJsonNumber
+		return stateJSONNumber
 	case 't', 'f':
-		return stateJsonBool
+		return stateJSONBool
 	case 'n':
-		return stateJsonNull
+		return stateJSONNull
 	case '{':
-		return stateJsonObjectOpen
+		return stateJSONObjectOpen
 	case '[':
-		return stateJsonArrayOpen
+		return stateJSONArrayOpen
 	default:
 		return l.errorf("Unexpected character as start of value: %#U", cur)
 	}
 }

-func stateJsonString(l lexer, state *intStack) stateFn {
+func stateJSONString(l lexer, state *intStack) stateFn {
 	if err := l.takeString(); err != nil {
 		return l.errorf(err.Error())
 	}
 	l.emit(jsonString)
-	return stateJsonAfterValue
+	return stateJSONAfterValue
 }

-func stateJsonNumber(l lexer, state *intStack) stateFn {
+func stateJSONNumber(l lexer, state *intStack) stateFn {
 	if err := takeJSONNumeric(l); err != nil {
 		return l.errorf(err.Error())
 	}
 	l.emit(jsonNumber)
-	return stateJsonAfterValue
+	return stateJSONAfterValue
 }

-func stateJsonBool(l lexer, state *intStack) stateFn {
+func stateJSONBool(l lexer, state *intStack) stateFn {
 	cur := l.peek()
 	var match []byte
 	switch cur {
@ -245,18 +245,18 @@ func stateJsonBool(l lexer, state *intStack) stateFn {
 		return l.errorf("Could not parse value as 'true' or 'false'")
 	}
 	l.emit(jsonBool)
-	return stateJsonAfterValue
+	return stateJSONAfterValue
 }

-func stateJsonNull(l lexer, state *intStack) stateFn {
+func stateJSONNull(l lexer, state *intStack) stateFn {
 	if !takeExactSequence(l, nullBytes) {
 		return l.errorf("Could not parse value as 'null'")
 	}
 	l.emit(jsonNull)
-	return stateJsonAfterValue
+	return stateJSONAfterValue
 }

-func stateJsonAfterRoot(l lexer, state *intStack) stateFn {
+func stateJSONAfterRoot(l lexer, state *intStack) stateFn {
 	cur := l.take()
 	if cur != eof {
 		return l.errorf("Expected EOF instead of %#U", cur)
--- a/json_states_test.go
+++ b/json_states_test.go
@ -159,7 +159,7 @@ var examples = []string{
   }`,
 }

-func TestMixedCaseJson(t *testing.T) {
+func TestMixedCaseJSON(t *testing.T) {
 	as := assert.New(t)
 	for _, json := range examples {
 		lexer := NewSliceLexer([]byte(json), JSON)
--- a/path.go
+++ b/path.go
@ -93,7 +93,9 @@ func genIndexKey(tr tokenReader) (*operator, error) {
 			return nil, fmt.Errorf("Unexpected value within brackets after index: %q", t.val)
 		}
 	case pathKey:
-		k.keyStrings = map[string]struct{}{string(t.val[1 : len(t.val)-1]): struct{}{}}
+		k.keyStrings = map[string]struct{}{
+			string(t.val[1 : len(t.val)-1]): {},
+		}
 		k.typ = opTypeName

 		if t, ok = tr.next(); !ok || t.typ != pathBracketRight {
@ -185,7 +187,15 @@ func tokensToOperators(tr tokenReader) (*Path, error) {
 			if p.val[0] == '"' && p.val[len(p.val)-1] == '"' {
 				keyName = p.val[1 : len(p.val)-1]
 			}
-			q.operators = append(q.operators, &operator{typ: opTypeName, keyStrings: map[string]struct{}{string(keyName): struct{}{}}})
+			q.operators = append(
+				q.operators,
+				&operator{
+					typ: opTypeName,
+					keyStrings: map[string]struct{}{
+						string(keyName): {},
+					},
+				},
+			)
 		case pathWildcard:
 			q.operators = append(q.operators, &operator{typ: opTypeNameWild})
 		case pathValue:
--- a/path_test.go
+++ b/path_test.go
@ -13,15 +13,15 @@ type optest struct {
 }

 var optests = []optest{
-	optest{"single key (period) ", `$.aKey`, []int{opTypeName}},
-	optest{"single key (bracket)", `$["aKey"]`, []int{opTypeName}},
-	optest{"single key (period) ", `$.*`, []int{opTypeNameWild}},
-	optest{"single index", `$[12]`, []int{opTypeIndex}},
-	optest{"single key", `$[23:45]`, []int{opTypeIndexRange}},
-	optest{"single key", `$[*]`, []int{opTypeIndexWild}},
+	{"single key (period) ", `$.aKey`, []int{opTypeName}},
+	{"single key (bracket)", `$["aKey"]`, []int{opTypeName}},
+	{"single key (period) ", `$.*`, []int{opTypeNameWild}},
+	{"single index", `$[12]`, []int{opTypeIndex}},
+	{"single key", `$[23:45]`, []int{opTypeIndexRange}},
+	{"single key", `$[*]`, []int{opTypeIndexWild}},

-	optest{"double key", `$["aKey"]["bKey"]`, []int{opTypeName, opTypeName}},
-	optest{"double key", `$["aKey"].bKey`, []int{opTypeName, opTypeName}},
+	{"double key", `$["aKey"]["bKey"]`, []int{opTypeName, opTypeName}},
+	{"double key", `$["aKey"].bKey`, []int{opTypeName, opTypeName}},
 }

 func TestQueryOperators(t *testing.T) {