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package gomplate
import (
"context"
"net/url"
"os"
"testing"
"github.com/hairyhenderson/go-fsimpl"
"github.com/hairyhenderson/gomplate/v4/internal/config"
"github.com/hairyhenderson/gomplate/v4/internal/datafs"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestEnvMapifiesEnvironment(t *testing.T) {
c := &tmplctx{}
env := c.Env()
assert.Equal(t, env["USER"], os.Getenv("USER"))
}
func TestEnvGetsUpdatedEnvironment(t *testing.T) {
c := &tmplctx{}
assert.Empty(t, c.Env()["FOO"])
t.Setenv("FOO", "foo")
assert.Equal(t, "foo", c.Env()["FOO"])
}
func TestCreateContext(t *testing.T) {
ctx := context.Background()
reg := datafs.NewRegistry()
sr := datafs.NewSourceReader(reg)
c, err := createTmplContext(ctx, nil, sr)
require.NoError(t, err)
assert.Empty(t, c)
fsmux := fsimpl.NewMux()
fsmux.Add(datafs.EnvFS)
ctx = datafs.ContextWithFSProvider(ctx, fsmux)
fooURL := "env:///foo?type=application/yaml"
barURL := "env:///bar?type=application/yaml"
uf, _ := url.Parse(fooURL)
ub, _ := url.Parse(barURL)
reg.Register("foo", config.DataSource{URL: uf})
reg.Register(".", config.DataSource{URL: ub})
t.Setenv("foo", "foo: bar")
c, err = createTmplContext(ctx, []string{"foo"}, sr)
require.NoError(t, err)
assert.IsType(t, &tmplctx{}, c)
tctx := c.(*tmplctx)
ds := ((*tctx)["foo"]).(map[string]interface{})
assert.Equal(t, "bar", ds["foo"])
t.Setenv("bar", "bar: baz")
c, err = createTmplContext(ctx, []string{"."}, sr)
require.NoError(t, err)
assert.IsType(t, map[string]interface{}{}, c)
ds = c.(map[string]interface{})
assert.Equal(t, "baz", ds["bar"])
}
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