59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
package model
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import (
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"os"
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"path/filepath"
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"strings"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("vulkanICDEnv", func() {
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It("returns nil when the backend ships no vulkan/icd.d (CPU/CUDA/SYCL builds)", func() {
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Expect(vulkanICDEnv(GinkgoT().TempDir())).To(BeNil())
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})
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It("returns nil when icd.d exists but holds no .json manifests", func() {
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work := GinkgoT().TempDir()
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icdDir := filepath.Join(work, "vulkan", "icd.d")
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Expect(os.MkdirAll(icdDir, 0o755)).To(Succeed())
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Expect(os.WriteFile(filepath.Join(icdDir, "README.txt"), []byte("not a manifest"), 0o644)).To(Succeed())
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// A directory whose name ends in .json must be ignored.
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Expect(os.MkdirAll(filepath.Join(icdDir, "nested.json"), 0o755)).To(Succeed())
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Expect(vulkanICDEnv(work)).To(BeNil())
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})
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It("points VK_DRIVER_FILES/VK_ICD_FILENAMES at the bundled manifests", func() {
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work := GinkgoT().TempDir()
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icdDir := filepath.Join(work, "vulkan", "icd.d")
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Expect(os.MkdirAll(icdDir, 0o755)).To(Succeed())
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for _, name := range []string{"intel_icd.json", "lvp_icd.json"} {
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Expect(os.WriteFile(filepath.Join(icdDir, name), []byte("{}"), 0o644)).To(Succeed())
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}
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env := vulkanICDEnv(work)
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Expect(env).To(HaveLen(2))
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got := map[string]string{}
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for _, kv := range env {
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k, v, ok := strings.Cut(kv, "=")
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Expect(ok).To(BeTrue(), "malformed env entry %q", kv)
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got[k] = v
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}
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for _, key := range []string{"VK_DRIVER_FILES", "VK_ICD_FILENAMES"} {
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Expect(got).To(HaveKey(key))
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// Both manifests must be listed as absolute paths, joined by the
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// OS path-list separator the Vulkan loader expects.
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parts := strings.Split(got[key], string(os.PathListSeparator))
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Expect(parts).To(HaveLen(2))
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for _, p := range parts {
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Expect(filepath.IsAbs(p)).To(BeTrue(), "%s entry %q must be absolute", key, p)
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Expect(p).To(HaveSuffix(".json"))
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}
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}
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})
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})
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