49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
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package expander
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import (
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"testing"
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"github.com/franela/goblin"
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)
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func TestExpand(t *testing.T) {
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g := goblin.Goblin(t)
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g.Describe("Expand params", func() {
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g.It("Should replace vars with ${key}", func() {
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s := "echo ${FOO} $BAR"
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m := map[string]string{}
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m["FOO"] = "BAZ"
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g.Assert("echo BAZ $BAR").Equal(ExpandString(s, m))
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})
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g.It("Should not replace vars in nil map", func() {
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s := "echo ${FOO} $BAR"
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g.Assert(s).Equal(ExpandString(s, nil))
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})
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g.It("Should escape quoted variables", func() {
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s := `echo "${FOO}"`
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m := map[string]string{}
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m["FOO"] = "hello\nworld"
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g.Assert(`echo "hello\nworld"`).Equal(ExpandString(s, m))
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})
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g.It("Should replace variable prefix", func() {
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s := `tag: ${TAG=${SHA:8}}`
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m := map[string]string{}
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m["TAG"] = ""
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m["SHA"] = "f36cbf54ee1a1eeab264c8e388f386218ab1701b"
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g.Assert("tag: f36cbf54").Equal(ExpandString(s, m))
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})
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g.It("Should handle nested substitution operations", func() {
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s := `echo "${TAG##v}"`
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m := map[string]string{}
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m["TAG"] = "v1.0.0"
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g.Assert(`echo "1.0.0"`).Equal(ExpandString(s, m))
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})
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})
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}
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