github.com/hairyhenderson/templater@v3.5.0+incompatible/data/datasource_file_test.go (about)

     1  package data
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/spf13/afero"
     7  
     8  	"github.com/stretchr/testify/assert"
     9  )
    10  
    11  func TestReadFile(t *testing.T) {
    12  	content := []byte(`hello world`)
    13  	fs := afero.NewMemMapFs()
    14  
    15  	_ = fs.Mkdir("/tmp", 0777)
    16  	f, _ := fs.Create("/tmp/foo")
    17  	_, _ = f.Write(content)
    18  
    19  	_ = fs.Mkdir("/tmp/partial", 0777)
    20  	f, _ = fs.Create("/tmp/partial/foo.txt")
    21  	_, _ = f.Write(content)
    22  	_, _ = fs.Create("/tmp/partial/bar.txt")
    23  	_, _ = fs.Create("/tmp/partial/baz.txt")
    24  
    25  	source := &Source{Alias: "foo", URL: mustParseURL("file:///tmp/foo")}
    26  	source.fs = fs
    27  
    28  	actual, err := readFile(source)
    29  	assert.NoError(t, err)
    30  	assert.Equal(t, content, actual)
    31  
    32  	source = &Source{Alias: "bogus", URL: mustParseURL("file:///bogus")}
    33  	source.fs = fs
    34  	_, err = readFile(source)
    35  	assert.Error(t, err)
    36  
    37  	source = &Source{Alias: "partial", URL: mustParseURL("file:///tmp/partial")}
    38  	source.fs = fs
    39  	actual, err = readFile(source, "foo.txt")
    40  	assert.NoError(t, err)
    41  	assert.Equal(t, content, actual)
    42  
    43  	source = &Source{Alias: "dir", URL: mustParseURL("file:///tmp/partial/")}
    44  	source.fs = fs
    45  	actual, err = readFile(source)
    46  	assert.NoError(t, err)
    47  	assert.Equal(t, []byte(`["bar.txt","baz.txt","foo.txt"]`), actual)
    48  
    49  	source = &Source{Alias: "dir", URL: mustParseURL("file:///tmp/partial/?type=application/json")}
    50  	source.fs = fs
    51  	actual, err = readFile(source)
    52  	assert.NoError(t, err)
    53  	assert.Equal(t, []byte(`["bar.txt","baz.txt","foo.txt"]`), actual)
    54  	mime, err := source.mimeType()
    55  	assert.NoError(t, err)
    56  	assert.Equal(t, "application/json", mime)
    57  
    58  	source = &Source{Alias: "dir", URL: mustParseURL("file:///tmp/partial/?type=application/json")}
    59  	source.fs = fs
    60  	actual, err = readFile(source, "foo.txt")
    61  	assert.NoError(t, err)
    62  	assert.Equal(t, content, actual)
    63  	mime, err = source.mimeType()
    64  	assert.NoError(t, err)
    65  	assert.Equal(t, "application/json", mime)
    66  }