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goconfig_test.go
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goconfig_test.go
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package goconfig
import (
"os"
"testing"
)
func TestRead(t *testing.T) {
c := struct {
Value string
}{}
os.Setenv("VALUE", "env")
Read(&c)
AssertEqual(t, c.Value, "env")
}
func TestReadWithError(t *testing.T) {
c := struct {
Value string
}{}
os.Setenv("VALUE", "env")
err := readWithError(&c)
AssertNil(t, err)
AssertEqual(t, c.Value, "env")
}
func TestReadWithError_MalformedEnv(t *testing.T) {
c := struct {
Value []string
}{}
os.Setenv("VALUE", "}")
err := readWithError(&c)
AssertNotNil(t, err)
AssertEqual(t, err.Error(), "Config env error: "+
"'VALUE' should be a JSON array: invalid character '}' looking for "+
"beginning of value")
}
func TestReadWithError_MalformedArg(t *testing.T) {
c := struct {
Value []string
}{}
os.Unsetenv("VALUE")
os.Args = []string{"cmd", "-value", "}"}
err := readWithError(&c)
AssertNotNil(t, err)
AssertEqual(t, err.Error(), "Config arg error: "+
"'Value' should be a JSON array: invalid character '}' looking for "+
"beginning of value")
}
func TestReadWithError_FileError(t *testing.T) {
c := struct{}{}
os.Args = []string{"cmd", "-config", "/"}
err := readWithError(&c)
AssertNotNil(t, err)
AssertEqual(t, err.Error(), "Config file error: "+
"read /: is a directory")
}