mirror of
https://github.com/mikefarah/yq.git
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Renaming pathtree to expression
This commit is contained in:
Mike Farah
@@ -0,0 +1,196 @@
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package yqlib
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import (
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"fmt"
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"testing"
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"github.com/mikefarah/yq/v4/test"
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)
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var pathTests = []struct {
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path string
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expectedTokens []interface{}
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expectedPostFix []interface{}
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}{
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{
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`[]`,
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append(make([]interface{}, 0), "[", "]"),
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append(make([]interface{}, 0), "EMPTY", "COLLECT", "SHORT_PIPE"),
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},
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{
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`.[]`,
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append(make([]interface{}, 0), "TRAVERSE_ARRAY", "[", "]"),
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append(make([]interface{}, 0), "EMPTY", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY"),
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},
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{
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`.a[]`,
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append(make([]interface{}, 0), "a", "SHORT_PIPE", "TRAVERSE_ARRAY", "[", "]"),
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append(make([]interface{}, 0), "a", "EMPTY", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "SHORT_PIPE"),
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},
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{
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`.a.[]`,
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append(make([]interface{}, 0), "a", "SHORT_PIPE", "TRAVERSE_ARRAY", "[", "]"),
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append(make([]interface{}, 0), "a", "EMPTY", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "SHORT_PIPE"),
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},
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{
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`.a[0]`,
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append(make([]interface{}, 0), "a", "SHORT_PIPE", "TRAVERSE_ARRAY", "[", "0 (int64)", "]"),
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append(make([]interface{}, 0), "a", "0 (int64)", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "SHORT_PIPE"),
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},
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{
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`.a.[0]`,
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append(make([]interface{}, 0), "a", "SHORT_PIPE", "TRAVERSE_ARRAY", "[", "0 (int64)", "]"),
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append(make([]interface{}, 0), "a", "0 (int64)", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "SHORT_PIPE"),
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},
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{
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`.a[].c`,
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append(make([]interface{}, 0), "a", "SHORT_PIPE", "TRAVERSE_ARRAY", "[", "]", "SHORT_PIPE", "c"),
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append(make([]interface{}, 0), "a", "EMPTY", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "SHORT_PIPE", "c", "SHORT_PIPE"),
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},
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{
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`[3]`,
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append(make([]interface{}, 0), "[", "3 (int64)", "]"),
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append(make([]interface{}, 0), "3 (int64)", "COLLECT", "SHORT_PIPE"),
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},
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{
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`d0.a`,
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append(make([]interface{}, 0), "d0", "SHORT_PIPE", "a"),
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append(make([]interface{}, 0), "d0", "a", "SHORT_PIPE"),
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},
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{
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`.a | .[].b == "apple"`,
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append(make([]interface{}, 0), "a", "PIPE", "TRAVERSE_ARRAY", "[", "]", "SHORT_PIPE", "b", "EQUALS", "apple (string)"),
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append(make([]interface{}, 0), "a", "EMPTY", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "b", "SHORT_PIPE", "apple (string)", "EQUALS", "PIPE"),
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},
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{
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`(.a | .[].b) == "apple"`,
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append(make([]interface{}, 0), "(", "a", "PIPE", "TRAVERSE_ARRAY", "[", "]", "SHORT_PIPE", "b", ")", "EQUALS", "apple (string)"),
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append(make([]interface{}, 0), "a", "EMPTY", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "b", "SHORT_PIPE", "PIPE", "apple (string)", "EQUALS"),
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},
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{
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`.[] | select(. == "*at")`,
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append(make([]interface{}, 0), "TRAVERSE_ARRAY", "[", "]", "PIPE", "SELECT", "(", "SELF", "EQUALS", "*at (string)", ")"),
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append(make([]interface{}, 0), "EMPTY", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "SELF", "*at (string)", "EQUALS", "SELECT", "PIPE"),
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},
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{
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`[true]`,
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append(make([]interface{}, 0), "[", "true (bool)", "]"),
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append(make([]interface{}, 0), "true (bool)", "COLLECT", "SHORT_PIPE"),
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},
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{
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`[true, false]`,
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append(make([]interface{}, 0), "[", "true (bool)", "UNION", "false (bool)", "]"),
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append(make([]interface{}, 0), "true (bool)", "false (bool)", "UNION", "COLLECT", "SHORT_PIPE"),
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},
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{
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`"mike": .a`,
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append(make([]interface{}, 0), "mike (string)", "CREATE_MAP", "a"),
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append(make([]interface{}, 0), "mike (string)", "a", "CREATE_MAP"),
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},
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{
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`.a: "mike"`,
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append(make([]interface{}, 0), "a", "CREATE_MAP", "mike (string)"),
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append(make([]interface{}, 0), "a", "mike (string)", "CREATE_MAP"),
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},
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{
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`{"mike": .a}`,
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append(make([]interface{}, 0), "{", "mike (string)", "CREATE_MAP", "a", "}"),
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append(make([]interface{}, 0), "mike (string)", "a", "CREATE_MAP", "COLLECT_OBJECT", "SHORT_PIPE"),
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},
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{
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`{.a: "mike"}`,
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append(make([]interface{}, 0), "{", "a", "CREATE_MAP", "mike (string)", "}"),
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append(make([]interface{}, 0), "a", "mike (string)", "CREATE_MAP", "COLLECT_OBJECT", "SHORT_PIPE"),
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},
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{
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`{.a: .c, .b.[]: .f.g.[]}`,
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append(make([]interface{}, 0), "{", "a", "CREATE_MAP", "c", "UNION", "b", "SHORT_PIPE", "TRAVERSE_ARRAY", "[", "]", "CREATE_MAP", "f", "SHORT_PIPE", "g", "SHORT_PIPE", "TRAVERSE_ARRAY", "[", "]", "}"),
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append(make([]interface{}, 0), "a", "c", "CREATE_MAP", "b", "EMPTY", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "SHORT_PIPE", "f", "g", "SHORT_PIPE", "EMPTY", "COLLECT", "SHORT_PIPE", "TRAVERSE_ARRAY", "SHORT_PIPE", "CREATE_MAP", "UNION", "COLLECT_OBJECT", "SHORT_PIPE"),
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},
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{
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`explode(.a.b)`,
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append(make([]interface{}, 0), "EXPLODE", "(", "a", "SHORT_PIPE", "b", ")"),
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append(make([]interface{}, 0), "a", "b", "SHORT_PIPE", "EXPLODE"),
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},
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{
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`.a.b style="folded"`,
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append(make([]interface{}, 0), "a", "SHORT_PIPE", "b", "ASSIGN_STYLE", "folded (string)"),
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append(make([]interface{}, 0), "a", "b", "SHORT_PIPE", "folded (string)", "ASSIGN_STYLE"),
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},
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{
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`tag == "str"`,
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append(make([]interface{}, 0), "GET_TAG", "EQUALS", "str (string)"),
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append(make([]interface{}, 0), "GET_TAG", "str (string)", "EQUALS"),
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},
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{
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`. tag= "str"`,
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append(make([]interface{}, 0), "SELF", "ASSIGN_TAG", "str (string)"),
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append(make([]interface{}, 0), "SELF", "str (string)", "ASSIGN_TAG"),
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},
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{
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`lineComment == "str"`,
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append(make([]interface{}, 0), "GET_COMMENT", "EQUALS", "str (string)"),
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append(make([]interface{}, 0), "GET_COMMENT", "str (string)", "EQUALS"),
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},
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{
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`. lineComment= "str"`,
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append(make([]interface{}, 0), "SELF", "ASSIGN_COMMENT", "str (string)"),
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append(make([]interface{}, 0), "SELF", "str (string)", "ASSIGN_COMMENT"),
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},
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{
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`. lineComment |= "str"`,
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append(make([]interface{}, 0), "SELF", "ASSIGN_COMMENT", "str (string)"),
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append(make([]interface{}, 0), "SELF", "str (string)", "ASSIGN_COMMENT"),
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},
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{
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`.a.b tag="!!str"`,
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append(make([]interface{}, 0), "a", "SHORT_PIPE", "b", "ASSIGN_TAG", "!!str (string)"),
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append(make([]interface{}, 0), "a", "b", "SHORT_PIPE", "!!str (string)", "ASSIGN_TAG"),
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},
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{
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`""`,
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append(make([]interface{}, 0), " (string)"),
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append(make([]interface{}, 0), " (string)"),
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},
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{
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`.foo* | (. style="flow")`,
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append(make([]interface{}, 0), "foo*", "PIPE", "(", "SELF", "ASSIGN_STYLE", "flow (string)", ")"),
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append(make([]interface{}, 0), "foo*", "SELF", "flow (string)", "ASSIGN_STYLE", "PIPE"),
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},
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{
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`{}`,
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append(make([]interface{}, 0), "{", "}"),
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append(make([]interface{}, 0), "EMPTY", "COLLECT_OBJECT", "SHORT_PIPE"),
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},
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}
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var tokeniser = newExpressionTokeniser()
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var postFixer = newExpressionPostFixer()
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func TestPathParsing(t *testing.T) {
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for _, tt := range pathTests {
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tokens, err := tokeniser.Tokenise(tt.path)
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if err != nil {
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t.Error(tt.path, err)
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}
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var tokenValues []interface{}
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for _, token := range tokens {
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tokenValues = append(tokenValues, token.toString())
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}
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test.AssertResultComplexWithContext(t, tt.expectedTokens, tokenValues, fmt.Sprintf("tokenise: %v", tt.path))
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results, errorP := postFixer.ConvertToPostfix(tokens)
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var readableResults []interface{}
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for _, token := range results {
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readableResults = append(readableResults, token.toString())
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}
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if errorP != nil {
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t.Error(tt.path, err)
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}
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test.AssertResultComplexWithContext(t, tt.expectedPostFix, readableResults, fmt.Sprintf("postfix: %v", tt.path))
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}
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}
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