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refactor: change the package name to stdlib, as well as add env packa…
…ge (#2) Signed-off-by: Ardika Bagus <me@ardikabs.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| package env | ||
|
|
||
| import ( | ||
| "os" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| type Type interface { | ||
| bool | string | int | []string | []int | time.Duration | ||
| } | ||
|
|
||
| func Lookup[T Type](key string, defaultValue T) T { | ||
| value, ok := os.LookupEnv(key) | ||
| if !ok { | ||
| return defaultValue | ||
| } | ||
|
|
||
| var res any | ||
| switch any(defaultValue).(type) { | ||
| case bool: | ||
| value = strings.ToLower(value) | ||
| valid := value == "1" || value == "true" || value == "ok" || value == "yes" | ||
| if value == "" || !valid { | ||
| return defaultValue | ||
| } | ||
|
|
||
| res = valid | ||
| case time.Duration: | ||
| d, err := time.ParseDuration(value) | ||
| if err != nil { | ||
| return defaultValue | ||
| } | ||
|
|
||
| res = d | ||
| case int: | ||
| i, err := strconv.ParseInt(value, 10, 0) | ||
| if err != nil { | ||
| return defaultValue | ||
| } | ||
|
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| res = int(i) | ||
| case []int: | ||
| if value == "" { | ||
| return defaultValue | ||
| } | ||
|
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| list := strings.Split(value, ",") | ||
| arr := make([]int, 0, len(list)) | ||
|
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| for _, v := range list { | ||
| i, err := strconv.ParseInt(v, 10, 0) | ||
| if err != nil { | ||
| return defaultValue | ||
| } | ||
| arr = append(arr, int(i)) | ||
| } | ||
|
|
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| res = arr | ||
| case string: | ||
| if value == "" { | ||
| return defaultValue | ||
| } | ||
|
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| res = value | ||
| case []string: | ||
| if value == "" { | ||
| return defaultValue | ||
| } | ||
|
|
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| res = strings.Split(value, ",") | ||
| } | ||
|
|
||
| return res.(T) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package env_test | ||
|
|
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| import ( | ||
| "os" | ||
| "testing" | ||
| "time" | ||
|
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| "github.com/ardikabs/go-stdlib/pkg/env" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
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| func TestLookup(t *testing.T) { | ||
| t.Setenv("HTTP_ADDR", "0.0.0.0") | ||
| t.Setenv("HTTP_PORT", "8080") | ||
| t.Setenv("DEBUG_MODE", "1") | ||
| t.Setenv("HTTP_TIMEOUT", "30s") | ||
| t.Setenv("HTTP_RESERVED_CONTENT_TYPES", "text/plain,application/json") | ||
| t.Setenv("HTTP_RESERVED_STATUS_CODES", "401,429,503") | ||
| defer os.Clearenv() | ||
|
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| gotString := env.Lookup("HTTP_ADDR", "127.0.0.1") | ||
| require.Equal(t, "0.0.0.0", gotString) | ||
|
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| gotInt := env.Lookup("HTTP_PORT", 80) | ||
| require.Equal(t, 8080, gotInt) | ||
|
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| gotBool := env.Lookup("DEBUG_MODE", false) | ||
| require.Equal(t, true, gotBool) | ||
|
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| gotDuration := env.Lookup("HTTP_TIMEOUT", time.Duration(15*time.Second)) | ||
| require.Equal(t, time.Duration(30*time.Second), gotDuration) | ||
|
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| gotStringArr := env.Lookup("HTTP_RESERVED_CONTENT_TYPES", []string{"text/html"}) | ||
| require.Equal(t, []string{"text/plain", "application/json"}, gotStringArr) | ||
|
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| gotIntArr := env.Lookup("HTTP_RESERVED_STATUS_CODES", []int{500}) | ||
| require.Equal(t, []int{401, 429, 503}, gotIntArr) | ||
| } | ||
|
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| func TestLookupDefaultValue(t *testing.T) { | ||
| t.Setenv("HTTP_ADDR", "") | ||
| t.Setenv("HTTP_PORT", "invalid-value") | ||
| t.Setenv("DEBUG_MODE", "invalid-value") | ||
| t.Setenv("HTTP_TIMEOUT", "invalid-value") | ||
| t.Setenv("HTTP_RESERVED_CONTENT_TYPES", "") | ||
| t.Setenv("HTTP_RESERVED_STATUS_CODES", "") | ||
| t.Setenv("RANGE_OF_RETRY_BACKOFF_SECONDS", "10,20,30a") | ||
| defer os.Clearenv() | ||
|
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| got := env.Lookup("AGENT_MODE", true) | ||
| require.Equal(t, true, got) | ||
|
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| gotString := env.Lookup("HTTP_ADDR", "127.0.0.1") | ||
| require.Equal(t, "127.0.0.1", gotString) | ||
|
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| gotInt := env.Lookup("HTTP_PORT", 80) | ||
| require.Equal(t, 80, gotInt) | ||
|
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| gotBool := env.Lookup("DEBUG_MODE", false) | ||
| require.Equal(t, false, gotBool) | ||
|
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| gotDuration := env.Lookup("HTTP_TIMEOUT", time.Duration(15*time.Second)) | ||
| require.Equal(t, time.Duration(15*time.Second), gotDuration) | ||
|
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| gotStringArr := env.Lookup("HTTP_RESERVED_CONTENT_TYPES", []string{"text/html"}) | ||
| require.Equal(t, []string{"text/html"}, gotStringArr) | ||
|
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| gotIntArr := env.Lookup("HTTP_RESERVED_STATUS_CODES", []int{500}) | ||
| require.Equal(t, []int{500}, gotIntArr) | ||
|
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| gotBadIntArr := env.Lookup("RANGE_OF_RETRY_BACKOFF_SECONDS", []int{1, 5, 10}) | ||
| require.Equal(t, []int{1, 5, 10}, gotBadIntArr) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| package httpc | ||
| package httpclient | ||
|
|
||
| const ( | ||
| // HeaderContentType | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| package httpc | ||
| package httpclient | ||
|
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| import "fmt" | ||
|
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|
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||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| package httpc | ||
| package httpclient | ||
|
|
||
| import ( | ||
| "context" | ||
|
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||
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