func TestLoad(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "")
if err != nil {
t.Fatal(err)
}
configPath := filepath.Join(tmpDir, "config.json")
if err := os.Link(fixturePath(t, "config.json"), configPath); err != nil {
t.Fatal(err)
}
dirtyPath := filepath.Join(tmpDir, "dirty.json")
if err := os.Link(fixturePath(t, "dirty.json"), dirtyPath); err != nil {
t.Fatal(err)
}
paths.Home = tmpDir
testCases := []struct {
desc string
in string // the name of the file passed as a command line argument
out string // the name of the file that the config will be written to
dir, key, api, xapi string // the actual config values
}{
{
desc: "defaults",
in: "",
out: paths.Config(""),
dir: paths.Exercises(""),
key: "",
api: hostAPI,
xapi: hostXAPI,
},
{
desc: "file exists",
in: configPath,
out: configPath,
dir: "/a/b/c",
key: "abc123",
api: "http://api.example.com",
xapi: "http://x.example.com",
},
{
desc: "unexpanded path",
in: "~/config.json",
out: configPath,
dir: "/a/b/c",
key: "abc123",
api: "http://api.example.com",
xapi: "http://x.example.com",
},
{
desc: "sanitizes whitespace",
in: "~/dirty.json",
out: filepath.Join(tmpDir, "dirty.json"),
dir: "/a/b/c",
key: "abc123",
api: "http://api.example.com",
xapi: "http://x.example.com",
},
}
for _, tc := range testCases {
c, err := New(tc.in)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, tc.out, c.File, tc.desc)
assert.Equal(t, tc.dir, c.Dir, tc.desc)
assert.Equal(t, tc.key, c.APIKey, tc.desc)
assert.Equal(t, tc.api, c.API, tc.desc)
assert.Equal(t, tc.xapi, c.XAPI, tc.desc)
}
}
// New returns a configuration struct with content from the exercism.json file
func New(path string) (*Config, error) {
c := &Config{}
err := c.load(paths.Config(path))
return c, err
}