migrate/cli/commands_test.go

46 lines
2.1 KiB
Go

package main
import (
"testing"
)
func TestNextSeq(t *testing.T) {
cases := []struct {
name string
matches []string
dir string
seqDigits int
expected string
expectedErrStr string
}{
{"Bad digits", []string{}, "migrationDir", 0, "", "Digits must be positive"},
{"Single digit initialize", []string{}, "migrationDir", 1, "1", ""},
{"Single digit malformed", []string{"bad"}, "migrationDir", 1, "", "Malformed migration filename: bad"},
{"Single digit no int", []string{"bad_bad"}, "migrationDir", 1, "", "strconv.Atoi: parsing \"bad\": invalid syntax"},
{"Single digit negative seq", []string{"-5_test"}, "migrationDir", 1, "", "Next sequence number must be positive"},
{"Single digit increment", []string{"3_test", "4_test"}, "migrationDir", 1, "5", ""},
{"Single digit overflow", []string{"9_test"}, "migrationDir", 1, "", "Next sequence number 10 too large. At most 1 digits are allowed"},
{"Zero-pad initialize", []string{}, "migrationDir", 6, "000001", ""},
{"Zero-pad malformed", []string{"bad"}, "migrationDir", 6, "", "Malformed migration filename: bad"},
{"Zero-pad no int", []string{"bad_bad"}, "migrationDir", 6, "", "strconv.Atoi: parsing \"bad\": invalid syntax"},
{"Zero-pad negative seq", []string{"-000005_test"}, "migrationDir", 6, "", "Next sequence number must be positive"},
{"Zero-pad increment", []string{"000003_test", "000004_test"}, "migrationDir", 6, "000005", ""},
{"Zero-pad overflow", []string{"999999_test"}, "migrationDir", 6, "", "Next sequence number 1000000 too large. At most 6 digits are allowed"},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
nextSeq, err := nextSeq(c.matches, c.dir, c.seqDigits)
if nextSeq != c.expected {
t.Error("Incorrect nextSeq: " + nextSeq + " != " + c.expected)
}
if err != nil {
if err.Error() != c.expectedErrStr {
t.Error("Incorrect error: " + err.Error() + " != " + c.expectedErrStr)
}
} else if c.expectedErrStr != "" {
t.Error("Expected error: " + c.expectedErrStr + " but got nil instead")
}
})
}
}