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package scan
import (
"fmt"
"io/ioutil"
"strings"
)
type TestCasePositions map[string]string
func LocateTestCases(filename string) TestCasePositions {
return gatherTestCaseLineNumbers(parseFixtures(filename))
}
func gatherTestCaseLineNumbers(fixtures []*fixtureInfo) TestCasePositions {
positions := make(TestCasePositions)
for _, fixture := range fixtures {
for _, test := range fixture.TestCases {
key := fmt.Sprintf("Test%s/%s", fixture.StructName, test.Name)
value := fmt.Sprintf("%s:%d", fixture.Filename, test.LineNumber)
positions[key] = value
}
}
return positions
}
func parseFixtures(filename string) (fixtures []*fixtureInfo) {
source, err := ioutil.ReadFile(filename)
if err != nil {
return nil
}
batch, err := scanForFixtures(string(source))
if err != nil {
return nil
}
for _, fixture := range batch {
fixture.Filename = filename
fixtures = append(fixtures, fixture)
for _, test := range fixture.TestCases {
test.LineNumber = lineNumber(string(source), test.CharacterPosition)
}
}
return fixtures
}
func lineNumber(source string, position int) int {
source = source[:position+1]
return strings.Count(source, "\n") + 1
}
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