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package data
import (
"context"
"testing"
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
)
func TestReadFile(t *testing.T) {
ctx := context.Background()
content := []byte(`hello world`)
fs := afero.NewMemMapFs()
_ = fs.Mkdir("/tmp", 0777)
f, _ := fs.Create("/tmp/foo")
_, _ = f.Write(content)
_ = fs.Mkdir("/tmp/partial", 0777)
f, _ = fs.Create("/tmp/partial/foo.txt")
_, _ = f.Write(content)
_, _ = fs.Create("/tmp/partial/bar.txt")
_, _ = fs.Create("/tmp/partial/baz.txt")
_ = f.Close()
source := &Source{Alias: "foo", URL: mustParseURL("file:///tmp/foo")}
source.fs = fs
actual, err := readFile(ctx, source)
assert.NoError(t, err)
assert.Equal(t, content, actual)
source = &Source{Alias: "bogus", URL: mustParseURL("file:///bogus")}
source.fs = fs
_, err = readFile(ctx, source)
assert.Error(t, err)
source = &Source{Alias: "partial", URL: mustParseURL("file:///tmp/partial")}
source.fs = fs
actual, err = readFile(ctx, source, "foo.txt")
assert.NoError(t, err)
assert.Equal(t, content, actual)
source = &Source{Alias: "dir", URL: mustParseURL("file:///tmp/partial/")}
source.fs = fs
actual, err = readFile(ctx, source)
assert.NoError(t, err)
assert.Equal(t, []byte(`["bar.txt","baz.txt","foo.txt"]`), actual)
source = &Source{Alias: "dir", URL: mustParseURL("file:///tmp/partial/?type=application/json")}
source.fs = fs
actual, err = readFile(ctx, source)
assert.NoError(t, err)
assert.Equal(t, []byte(`["bar.txt","baz.txt","foo.txt"]`), actual)
mime, err := source.mimeType("")
assert.NoError(t, err)
assert.Equal(t, "application/json", mime)
source = &Source{Alias: "dir", URL: mustParseURL("file:///tmp/partial/?type=application/json")}
source.fs = fs
actual, err = readFile(ctx, source, "foo.txt")
assert.NoError(t, err)
assert.Equal(t, content, actual)
mime, err = source.mimeType("")
assert.NoError(t, err)
assert.Equal(t, "application/json", mime)
}
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