55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package lib
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import (
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"io/ioutil"
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"os"
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"testing"
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)
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// TestConfigToFile ensures Config.ToFile(..) encodes and writes out
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// a Config instance toa a file on disk.
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func TestConfigToFile(t *testing.T) {
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// Test with a default configuration
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c := DefaultConfig()
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tmpfile, err := ioutil.TempFile("", "config")
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if err != nil {
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t.Fatalf("Unable to create temporary file: %+v", err)
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}
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// Clean up temporary file
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defer os.Remove(tmpfile.Name())
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// Make the ToFile calls
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err = c.ToFile(tmpfile.Name())
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// Make sure no errors occurred while populating the file
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if err != nil {
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t.Fatalf("Unable to write to temporary file: %+v", err)
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}
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// Make sure the file is on disk
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if _, err := os.Stat(tmpfile.Name()); os.IsNotExist(err) {
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t.Fatalf("The config file was not written to disk: %+v", err)
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}
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}
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// TestConfigUpdateFromFile ensures Config.UpdateFromFile(..) properly
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// updates an already create Config instancec with new data.
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func TestConfigUpdateFromFile(t *testing.T) {
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// Test with a default configuration
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c := DefaultConfig()
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// Make the ToFile calls
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err := c.UpdateFromFile("testdata/config.toml")
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// Make sure no errors occurred while populating from the file
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if err != nil {
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t.Fatalf("Unable update config from file: %+v", err)
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}
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// Check fields that should have changed after UpdateFromFile
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if c.Storage != "overlay2" {
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t.Fatalf("Update failed. Storage did not change to overlay2")
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}
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if c.RuntimeConfig.PidsLimit != 2048 {
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t.Fatalf("Update failed. RuntimeConfig.PidsLimit did not change to 2048")
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}
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}
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