mirror of
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60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
package helper
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("exporting", func() {
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var dir string
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BeforeEach(func() {
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var err error
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dir, err = ioutil.TempDir("", "fuzzing-helper")
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Expect(err).ToNot(HaveOccurred())
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fmt.Fprintf(GinkgoWriter, "Created temporary directory %s", dir)
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})
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AfterEach(func() {
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Expect(dir).ToNot(BeEmpty())
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Expect(os.RemoveAll(dir)).To(Succeed())
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})
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It("writes a file", func() {
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const data = "lorem ipsum"
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// calculated by running sha1sum on the generated file
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const expectedShaSum = "bfb7759a67daeb65410490b4d98bb9da7d1ea2ce"
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Expect(WriteCorpusFile(dir, []byte("lorem ipsum"))).To(Succeed())
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path := filepath.Join(dir, expectedShaSum)
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Expect(path).To(BeARegularFile())
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b, err := ioutil.ReadFile(path)
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Expect(err).ToNot(HaveOccurred())
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Expect(string(b)).To(Equal(data))
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})
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It("writes a file and prepends data", func() {
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const data = "lorem ipsum"
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// calculated by running sha1sum on the generated file
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const expectedShaSum = "523f5cab80fab0c7889dbf50dd310ab8c8879f9c"
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const prefixLen = 7
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Expect(WriteCorpusFileWithPrefix(dir, []byte("lorem ipsum"), prefixLen)).To(Succeed())
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path := filepath.Join(dir, expectedShaSum)
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Expect(path).To(BeARegularFile())
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b, err := ioutil.ReadFile(path)
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Expect(err).ToNot(HaveOccurred())
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Expect(b[:prefixLen]).To(Equal(make([]byte, prefixLen)))
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Expect(string(b[prefixLen:])).To(Equal(data))
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})
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It("creates the directory, if it doesn't yet", func() {
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subdir := filepath.Join(dir, "corpus")
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Expect(subdir).ToNot(BeADirectory())
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Expect(WriteCorpusFile(subdir, []byte("lorem ipsum"))).To(Succeed())
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Expect(subdir).To(BeADirectory())
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})
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})
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