79 lines
1.5 KiB
Go
79 lines
1.5 KiB
Go
package parser
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import "io"
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import "os"
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import "strings"
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import "testing"
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import "path/filepath"
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func checkTree (modulePath string, skim bool, correct string, test *testing.T) {
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cwd, _ := os.Getwd()
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modulePath = filepath.Join(cwd, modulePath)
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tree, err := Fetch(modulePath, skim)
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treeString := tree.ToString(0)
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treeRunes := []rune(treeString)
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test.Log("CORRECT TREE:")
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logWithLineNumbers(correct, test)
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test.Log("WHAT WAS PARSED:")
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logWithLineNumbers(treeString, test)
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if err != io.EOF && err != nil {
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test.Log("returned error:")
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test.Log(err.Error())
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test.Fail()
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return
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}
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equal := true
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line := 0
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column := 0
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for index, correctChar := range correct {
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if index >= len(treeRunes) {
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test.Log (
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"parsed is too short at line", line + 1,
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"col", column + 1)
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test.Fail()
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return
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}
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if correctChar != treeRunes[index] {
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test.Log (
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"trees not equal at line", line + 1,
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"col", column + 1)
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test.Log("correct: [" + string(correctChar) + "]")
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test.Log("got: [" + string(treeRunes[index]) + "]")
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test.Fail()
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return
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}
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if correctChar == '\n' {
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line ++
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column = 0
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} else {
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column ++
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}
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}
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if len(treeString) > len(correct) {
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test.Log("parsed is too long")
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test.Fail()
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return
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}
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if !equal {
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return
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}
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}
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func logWithLineNumbers (bigString string, test *testing.T) {
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lines := strings.Split (
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strings.Replace(bigString, "\t", " ", -1), "\n")
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for index, line := range lines {
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test.Logf("%3d | %s", index + 1, line)
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}
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}
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