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|
package env_test
import (
"fmt"
"strconv"
"testing"
"time"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/v16/internal/helper/env"
"gitlab.com/gitlab-org/gitaly/v16/internal/testhelper"
)
func TestGetBool(t *testing.T) {
const envvar = "TEST_BOOL"
for _, tc := range []struct {
desc string
setup func(t *testing.T)
fallback bool
expectedValue bool
expectedErr error
}{
{
desc: "explicitly true",
setup: setupEnv(envvar, "true"),
expectedValue: true,
},
{
desc: "explicitly false",
setup: setupEnv(envvar, "false"),
expectedValue: false,
},
{
desc: "explicitly 1",
setup: setupEnv(envvar, "1"),
expectedValue: true,
},
{
desc: "explicitly 0",
setup: setupEnv(envvar, "0"),
expectedValue: false,
},
{
desc: "missing value",
setup: func(t *testing.T) {
testhelper.Unsetenv(t, envvar)
},
expectedValue: false,
},
{
desc: "missing value with fallback",
setup: func(t *testing.T) {
testhelper.Unsetenv(t, envvar)
},
fallback: true,
expectedValue: true,
},
{
desc: "empty value",
setup: setupEnv(envvar, ""),
expectedValue: false,
},
{
desc: "empty value with fallback",
setup: setupEnv(envvar, ""),
fallback: true,
expectedValue: true,
},
{
desc: "invalid value",
setup: setupEnv(envvar, "bad"),
expectedValue: false,
expectedErr: fmt.Errorf("get bool TEST_BOOL: %w", &strconv.NumError{
Func: "ParseBool",
Num: "bad",
Err: strconv.ErrSyntax,
}),
},
{
desc: "invalid value with fallback",
setup: setupEnv(envvar, "bad"),
fallback: true,
expectedValue: true,
expectedErr: fmt.Errorf("get bool TEST_BOOL: %w", &strconv.NumError{
Func: "ParseBool",
Num: "bad",
Err: strconv.ErrSyntax,
}),
},
} {
t.Run(tc.desc, func(t *testing.T) {
tc.setup(t)
value, err := env.GetBool(envvar, tc.fallback)
require.Equal(t, tc.expectedErr, err)
require.Equal(t, tc.expectedValue, value)
})
}
}
func TestGetInt(t *testing.T) {
const envvar = "TEST_INT"
for _, tc := range []struct {
desc string
setup func(t *testing.T)
fallback int
expectedValue int
expectedErr error
}{
{
desc: "valid number",
setup: setupEnv(envvar, "3"),
expectedValue: 3,
},
{
desc: "unset value",
setup: func(t *testing.T) {
testhelper.Unsetenv(t, envvar)
},
expectedValue: 0,
},
{
desc: "unset value with fallback",
setup: func(t *testing.T) {
testhelper.Unsetenv(t, envvar)
},
fallback: 3,
expectedValue: 3,
},
{
desc: "empty value",
setup: setupEnv(envvar, ""),
expectedValue: 0,
},
{
desc: "empty value with fallback",
setup: setupEnv(envvar, ""),
fallback: 3,
expectedValue: 3,
},
{
desc: "invalid value",
setup: setupEnv(envvar, "bad"),
expectedValue: 0,
expectedErr: fmt.Errorf("get int TEST_INT: %w", &strconv.NumError{
Func: "Atoi",
Num: "bad",
Err: strconv.ErrSyntax,
}),
},
{
desc: "invalid value with fallback",
setup: setupEnv(envvar, "bad"),
fallback: 3,
expectedValue: 3,
expectedErr: fmt.Errorf("get int TEST_INT: %w", &strconv.NumError{
Func: "Atoi",
Num: "bad",
Err: strconv.ErrSyntax,
}),
},
} {
t.Run(tc.desc, func(t *testing.T) {
tc.setup(t)
value, err := env.GetInt(envvar, tc.fallback)
require.Equal(t, tc.expectedErr, err)
require.Equal(t, tc.expectedValue, value)
})
}
}
func TestGetDuration(t *testing.T) {
const envvar = "TEST_DURATION"
for _, tc := range []struct {
desc string
setup func(t *testing.T)
fallback time.Duration
expectedValue time.Duration
expectedErr error
}{
{
desc: "valid duration",
setup: setupEnv(envvar, "3m"),
fallback: 0,
expectedValue: 3 * time.Minute,
},
{
desc: "unset value",
setup: func(t *testing.T) {
testhelper.Unsetenv(t, envvar)
},
expectedValue: 0,
},
{
desc: "unset value with fallback",
setup: func(t *testing.T) {
testhelper.Unsetenv(t, envvar)
},
fallback: 3,
expectedValue: 3,
},
{
desc: "empty value",
setup: setupEnv(envvar, ""),
expectedValue: 0,
},
{
desc: "empty value with fallback",
setup: setupEnv(envvar, ""),
fallback: 3,
expectedValue: 3,
},
{
desc: "invalid value",
setup: setupEnv(envvar, "bad"),
expectedValue: 0,
expectedErr: fmt.Errorf("get duration TEST_DURATION: %w", fmt.Errorf("time: invalid duration \"bad\"")),
},
{
desc: "invalid value with fallback",
setup: setupEnv(envvar, "bad"),
fallback: 3,
expectedValue: 3,
expectedErr: fmt.Errorf("get duration TEST_DURATION: %w", fmt.Errorf("time: invalid duration \"bad\"")),
},
} {
t.Run(tc.desc, func(t *testing.T) {
tc.setup(t)
value, err := env.GetDuration(envvar, tc.fallback)
require.Equal(t, tc.expectedErr, err)
require.Equal(t, tc.expectedValue, value)
})
}
}
func TestGetString(t *testing.T) {
const envvar = "TEST_STRING"
for _, tc := range []struct {
desc string
setup func(t *testing.T)
fallback string
expectedValue string
}{
{
desc: "simple string",
setup: setupEnv(envvar, "Hello"),
expectedValue: "Hello",
},
{
desc: "string with trailing whitespace",
setup: setupEnv(envvar, "hello "),
expectedValue: "hello",
},
{
desc: "unset value",
setup: func(t *testing.T) {
testhelper.Unsetenv(t, envvar)
},
fallback: "fallback value",
expectedValue: "fallback value",
},
{
desc: "empty value",
setup: setupEnv(envvar, ""),
fallback: "fallback value",
expectedValue: "fallback value",
},
{
desc: "whitespace only",
setup: setupEnv(envvar, " "),
fallback: "fallback value",
expectedValue: "",
},
} {
t.Run(tc.desc, func(t *testing.T) {
tc.setup(t)
value := env.GetString(envvar, tc.fallback)
require.Equal(t, tc.expectedValue, value)
})
}
}
func TestExtractKey(t *testing.T) {
for _, tc := range []struct {
desc string
environment []string
key string
expectedValue string
}{
{
desc: "nil",
environment: nil,
key: "something",
expectedValue: "",
},
{
desc: "found",
environment: []string{
"FOO=bar",
"BAR=qux",
},
key: "BAR",
expectedValue: "qux",
},
{
desc: "found with multiple matches",
environment: []string{
"FOO=1",
"FOO=2",
},
key: "FOO",
expectedValue: "2",
},
{
desc: "not found",
environment: []string{
"FOO=bar",
"BAR=qux",
},
key: "doesnotexist",
expectedValue: "",
},
{
desc: "prefix-match",
environment: []string{
"FOObar=value",
},
key: "FOO",
expectedValue: "",
},
} {
t.Run(tc.desc, func(t *testing.T) {
value := env.ExtractValue(tc.environment, tc.key)
require.Equal(t, tc.expectedValue, value)
})
}
}
func setupEnv(key, value string) func(t *testing.T) {
return func(t *testing.T) {
t.Setenv(key, value)
}
}
|
