51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package mcfg
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import (
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"context"
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. "testing"
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"github.com/mediocregopher/mediocre-go-lib/mctx"
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"github.com/stretchr/testify/assert"
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)
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func TestPopulate(t *T) {
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{
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ctx := context.Background()
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ctx, a := WithInt(ctx, "a", 0, "")
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ctxChild := mctx.NewChild(ctx, "foo")
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ctxChild, b := WithInt(ctxChild, "b", 0, "")
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ctxChild, c := WithInt(ctxChild, "c", 0, "")
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ctx = mctx.WithChild(ctx, ctxChild)
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err := Populate(ctx, &SourceCLI{
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Args: []string{"--a=1", "--foo-b=2"},
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})
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assert.NoError(t, err)
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assert.Equal(t, 1, *a)
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assert.Equal(t, 2, *b)
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assert.Equal(t, 0, *c)
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}
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{ // test that required params are enforced
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ctx := context.Background()
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ctx, a := WithInt(ctx, "a", 0, "")
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ctxChild := mctx.NewChild(ctx, "foo")
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ctxChild, b := WithInt(ctxChild, "b", 0, "")
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ctxChild, c := WithRequiredInt(ctxChild, "c", "")
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ctx = mctx.WithChild(ctx, ctxChild)
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err := Populate(ctx, &SourceCLI{
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Args: []string{"--a=1", "--foo-b=2"},
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})
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assert.Error(t, err)
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err = Populate(ctx, &SourceCLI{
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Args: []string{"--a=1", "--foo-b=2", "--foo-c=3"},
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})
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assert.NoError(t, err)
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assert.Equal(t, 1, *a)
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assert.Equal(t, 2, *b)
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assert.Equal(t, 3, *c)
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}
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}
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