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Copy pathvalue_source_test.go
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348 lines (301 loc) · 7.05 KB
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package cli
import (
"fmt"
"math/rand"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestZeroValueSourceChain(t *testing.T) {
var vc ValueSourceChain
assert.Empty(t, vc.EnvKeys())
assert.NotEmpty(t, vc.GoString())
assert.Empty(t, vc.Chain)
assert.Empty(t, vc.String())
}
func TestEnvVarValueSource(t *testing.T) {
t.Run("implements ValueSource", func(t *testing.T) {
src := EnvVar("foo")
require.Implements(t, (*ValueSource)(nil), src)
t.Run("not found", func(t *testing.T) {
t.Setenv("foo", "bar")
src := EnvVar("foo_1")
_, ok := src.Lookup()
require.False(t, ok)
})
t.Run("found", func(t *testing.T) {
t.Setenv("foo", "bar")
r := require.New(t)
src := EnvVar("foo")
str, ok := src.Lookup()
r.True(ok)
r.Equal(str, "bar")
})
})
t.Run("implements fmt.Stringer", func(t *testing.T) {
src := EnvVar("foo")
r := require.New(t)
r.Implements((*fmt.Stringer)(nil), src)
r.Equal("environment variable \"foo\"", src.String())
})
t.Run("implements fmt.GoStringer", func(t *testing.T) {
src := EnvVar("foo")
r := require.New(t)
r.Implements((*fmt.GoStringer)(nil), src)
r.Equal("&envVarValueSource{Key:\"foo\"}", src.GoString())
})
}
func TestEnvVars(t *testing.T) {
t.Setenv("myfoo", "mybar")
source := EnvVars("foo1", "myfoo")
str, src, ok := source.LookupWithSource()
r := require.New(t)
r.True(ok)
r.Equal(str, "mybar")
r.Contains(src.String(), "\"myfoo\"")
}
func TestFileValueSource(t *testing.T) {
t.Run("implements ValueSource", func(t *testing.T) {
r := require.New(t)
r.Implements((*ValueSource)(nil), &fileValueSource{})
t.Run("not found", func(t *testing.T) {
src := File(fmt.Sprintf("junk_file_name-%[1]v", rand.Int()))
_, ok := src.Lookup()
r.False(ok)
})
fileName := filepath.Join(os.TempDir(), fmt.Sprintf("urfave-cli-testing-existing_file-%[1]v", rand.Int()))
t.Cleanup(func() { _ = os.Remove(fileName) })
r.Nil(os.WriteFile(fileName, []byte("pita"), 0o644))
t.Run("found", func(t *testing.T) {
src := File(fileName)
str, ok := src.Lookup()
r.True(ok)
r.Equal("pita", str)
})
})
t.Run("implements fmt.Stringer", func(t *testing.T) {
src := File("/dev/null")
r := require.New(t)
r.Implements((*ValueSource)(nil), src)
r.Equal("file \"/dev/null\"", src.String())
})
t.Run("implements fmt.GoStringer", func(t *testing.T) {
src := File("/dev/null")
r := require.New(t)
r.Implements((*ValueSource)(nil), src)
r.Equal("&fileValueSource{Path:\"/dev/null\"}", src.GoString())
})
}
func TestFilePaths(t *testing.T) {
r := require.New(t)
fileName := filepath.Join(os.TempDir(), fmt.Sprintf("urfave-cli-tests-some_file_name_%[1]v", rand.Int()))
t.Cleanup(func() { _ = os.Remove(fileName) })
r.Nil(os.WriteFile(fileName, []byte("Hello"), 0o644))
sources := Files("junk_file_name", fileName)
str, src, ok := sources.LookupWithSource()
r.True(ok)
r.Equal(str, "Hello")
r.Contains(src.String(), fmt.Sprintf("%[1]q", fileName))
}
func TestValueSourceChainEnvKeys(t *testing.T) {
chain := NewValueSourceChain(
&staticValueSource{"hello"},
)
chain.Append(EnvVars("foo", "bar"))
r := require.New(t)
r.Equal([]string{"foo", "bar"}, chain.EnvKeys())
}
func TestValueSourceChain(t *testing.T) {
t.Run("implements ValueSource", func(t *testing.T) {
vsc := &ValueSourceChain{}
r := require.New(t)
r.Implements((*ValueSource)(nil), vsc)
_, ok := vsc.Lookup()
r.False(ok)
})
t.Run("implements fmt.GoStringer", func(t *testing.T) {
vsc := &ValueSourceChain{}
r := require.New(t)
r.Implements((*fmt.GoStringer)(nil), vsc)
r.Equal("&ValueSourceChain{Chain:{}}", vsc.GoString())
vsc1 := NewValueSourceChain(&staticValueSource{v: "yahtzee"},
&staticValueSource{v: "matzoh"},
)
r.Equal("&ValueSourceChain{Chain:{&staticValueSource{v:\"yahtzee\"},&staticValueSource{v:\"matzoh\"}}}", vsc1.GoString())
})
t.Run("implements fmt.Stringer", func(t *testing.T) {
vsc := &ValueSourceChain{}
r := require.New(t)
r.Implements((*fmt.Stringer)(nil), vsc)
r.Equal("", vsc.String())
vsc1 := NewValueSourceChain(
&staticValueSource{v: "soup"},
&staticValueSource{v: "salad"},
&staticValueSource{v: "pumpkins"},
)
r.Equal("soup,salad,pumpkins", vsc1.String())
})
}
type staticValueSource struct {
v string
}
func (svs *staticValueSource) GoString() string {
return fmt.Sprintf("&staticValueSource{v:%[1]q}", svs.v)
}
func (svs *staticValueSource) String() string { return svs.v }
func (svs *staticValueSource) Lookup() (string, bool) { return svs.v, true }
func TestMapValueSource(t *testing.T) {
tests := []struct {
name string
m map[any]any
key string
val string
found bool
}{
{
name: "No map no key",
},
{
name: "No map with key",
key: "foo",
},
{
name: "Empty map no key",
m: map[any]any{},
},
{
name: "Empty map with key",
key: "foo",
m: map[any]any{},
},
{
name: "Level 1 no key",
key: ".foob",
m: map[any]any{
"foo": 10,
},
},
{
name: "Level 1",
key: "foobar",
m: map[any]any{
"foobar": 10,
},
val: "10",
found: true,
},
{
name: "Level 2",
key: "foo.bar",
m: map[any]any{
"foo": map[any]any{
"bar": 10,
},
},
val: "10",
found: true,
},
{
name: "Level 2 invalid key",
key: "foo.bar1",
m: map[any]any{
"foo": map[any]any{
"bar": "10",
},
},
},
{
name: "Level 2 string map type",
key: "foo.bar1",
m: map[any]any{
"foo": map[string]any{
"bar": "10",
},
},
},
{
name: "Level 3 no entry",
key: "foo.bar.t",
m: map[any]any{
"foo": map[any]any{
"bar": "sss",
},
},
},
{
name: "Level 3",
key: "foo.bar.t",
m: map[any]any{
"foo": map[any]any{
"bar": map[any]any{
"t": "sss",
},
},
},
val: "sss",
found: true,
},
{
name: "Level 3 invalid key",
key: "foo.bar.t",
m: map[any]any{
"foo": map[any]any{
"bar": map[any]any{
"t1": 10,
},
},
},
},
{
name: "Level 4 no entry",
key: "foo.bar.t.gh",
m: map[any]any{
"foo": map[any]any{
"bar": map[any]any{
"t1": 10,
},
},
},
},
{
name: "Level 4 slice entry",
key: "foo.bar.t.gh",
m: map[any]any{
"foo": map[any]any{
"bar": map[string]any{
"t": map[any]any{
"gh": []int{10},
},
},
},
},
val: "[10]",
found: true,
},
}
for _, test := range tests {
t.Run(test.key, func(t *testing.T) {
ms := NewMapSource("test", test.m)
m := NewMapValueSource(test.key, ms)
val, b := m.Lookup()
if !test.found {
assert.False(t, b)
} else {
assert.True(t, b)
assert.Equal(t, val, test.val)
}
})
}
}
func TestMapValueSourceStringer(t *testing.T) {
m := map[any]any{
"foo": map[any]any{
"bar": 10,
},
}
mvs := NewMapValueSource("bar", NewMapSource("test", m))
assert.Equal(t, `&mapValueSource{key:"bar", src:&mapSource{name:"test"}}`, mvs.GoString())
assert.Equal(t, `key "bar" from map source "test"`, mvs.String())
}