39 lines
1.4 KiB
Go
39 lines
1.4 KiB
Go
package buildstep
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import (
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"os"
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"path/filepath"
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"testing"
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)
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// 1887/A7: the node's build capacity is the build module's setting, read at every pull: the control-node at 0 pulls
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// nothing, a change takes effect at the next read, and a setting that cannot be read pulls nothing.
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func TestNodeCapacity(t *testing.T) {
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if got := NodeCapacity("", DefaultCapacities, "novox", nil)(); got != 0 {
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t.Errorf("novox = %d by default, want 0", got)
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}
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if got := NodeCapacity("", DefaultCapacities, "shanks", nil)(); got != 3 {
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t.Errorf("shanks = %d by default, want 3", got)
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}
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file := filepath.Join(t.TempDir(), "settings.json")
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os.WriteFile(file, []byte(`{"capacity":"shanks=1,ace=2"}`), 0o600)
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capacity := NodeCapacity(file, DefaultCapacities, "shanks", nil)
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if got := capacity(); got != 1 {
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t.Errorf("shanks = %d from the file, want 1", got)
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}
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os.WriteFile(file, []byte(`{"capacity":"shanks=4"}`), 0o600)
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if got := capacity(); got != 4 {
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t.Errorf("shanks = %d after the change, want 4", got)
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}
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if got := NodeCapacity(file, "", "pi", nil)(); got != 1 {
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t.Errorf("a node not named = %d, want 1", got)
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}
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os.WriteFile(file, []byte(`{"capacity":"shanks=lots"}`), 0o600)
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if got := capacity(); got != 0 {
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t.Errorf("an unreadable setting = %d, want 0", got)
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}
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if got := NodeCapacity(filepath.Join(t.TempDir(), "none"), DefaultCapacities, "shanks", nil)(); got != 0 {
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t.Errorf("a missing file = %d, want 0", got)
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}
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}
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