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zhangwenjian
d4cf11d313
opens is a map, so opens[c.Driver] on a driver this build does not carry returns a nil function, and gorm.Open calls it. The operator saw a nil dereference inside gorm with nothing naming the driver. sqlite3 is the case that bites: it needs cgo and is only compiled in under the sqlite3 build tag, so the same config file works on one binary and dies on another. Resolve the driver first and say which ones this build supports.
33 lines
869 B
Go
33 lines
869 B
Go
package database
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import (
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"strings"
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"testing"
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)
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func TestOpenerForRejectsADriverThisBuildDoesNotCarry(t *testing.T) {
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open, err := openerFor("sqlite")
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if err == nil {
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t.Fatalf("misspelled driver was accepted, opener is %v", open != nil)
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}
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// The message has to name the alternatives: the reader is looking at a
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// config file and needs to know what to put there.
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for _, want := range supportedDrivers() {
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if !strings.Contains(err.Error(), want) {
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t.Errorf("error does not mention the %s driver: %s", want, err)
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}
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}
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}
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func TestOpenerForResolvesTheBuiltInDrivers(t *testing.T) {
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for _, driver := range []string{"mysql", "postgres", "sqlserver"} {
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open, err := openerFor(driver)
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if err != nil {
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t.Fatalf("%s must be available in every build: %s", driver, err)
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}
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if open == nil {
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t.Fatalf("%s resolved to a nil opener", driver)
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}
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}
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}
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