Add Test - checkSumCalculator (#210)

* Add test coverage for checkSumCalculator * Add testing coverage for checksumcalculator suggestTalismanRC Co-authored-by: Sakthivel B <sakthi836800@gmail.com> Co-authored-by: Sakthivel B <sakthi836800@gmail.com>
thoughtworks · Jul 16, 2020 · be281c1 · be281c1
1 parent 5107335
commit be281c1
Showing 1 changed file with 86 additions and 0 deletions.
diff --git a/checksumcalculator/checksumcalculator_test.go b/checksumcalculator/checksumcalculator_test.go
@@ -0,0 +1,86 @@
+package checksumcalculator
+
+import (
+	"github.com/stretchr/testify/assert"
+	"talisman/gitrepo"
+	"talisman/utility"
+	"testing"
+)
+
+func TestNewChecksumCalculator(t *testing.T) {
+	t.Run("should return empty CollectiveChecksum when non existing file name pattern is sent", func(t *testing.T) {
+		defaultSHA256Hasher := utility.DefaultSHA256Hasher{}
+		gitAdditions := []gitrepo.Addition{
+			{
+				Path: "GitRepoPath1",
+				Name: "GitRepoName1",
+			},
+		}
+		expectedCC := ""
+		fileNamePattern := "*NonExistenceFileNamePattern"
+		cc := NewChecksumCalculator(defaultSHA256Hasher, gitAdditions)
+
+		actualCC := cc.CalculateCollectiveChecksumForPattern(fileNamePattern)
+
+		assert.Equal(t, expectedCC, actualCC)
+	})
+
+	t.Run("should return  CollectiveChecksum when existing file name pattern is sent", func(t *testing.T) {
+		defaultSHA256Hasher := utility.DefaultSHA256Hasher{}
+		gitAdditions := []gitrepo.Addition{
+			{
+				Path: "GitRepoPath1",
+				Name: "GitRepoName1",
+			},
+		}
+		expectedCC := "54bbf09e5c906e2d7cc0808729f8120cfa3c4bad3fb6a85689ae23ca00e5a3c8"
+		fileNamePattern := "*RepoName1"
+		cc := NewChecksumCalculator(defaultSHA256Hasher, gitAdditions)
+
+		actualCC := cc.CalculateCollectiveChecksumForPattern(fileNamePattern)
+
+		assert.Equal(t, expectedCC, actualCC)
+	})
+}
+
+func TestDefaultChecksumCalculator_SuggestTalismanRC(t *testing.T) {
+	t.Run("should return no suggestion for .talismanrc format when no matching file name patterns is sent", func(t *testing.T) {
+		defaultSHA256Hasher := utility.DefaultSHA256Hasher{}
+		gitAdditions := []gitrepo.Addition{
+			{
+				Path: "GitRepoPath1",
+				Name: "GitRepoName1",
+			}, {
+				Path: "GitRepoPath2",
+				Name: "GitRepoName2",
+			},
+		}
+		expectedCC := ""
+		fileNamePatterns := []string{"*NonExistenceFileNamePattern1", "*NonExistenceFileNamePattern2", "*NonExistenceFileNamePattern3"}
+		cc := NewChecksumCalculator(defaultSHA256Hasher, gitAdditions)
+
+		actualCC := cc.SuggestTalismanRC(fileNamePatterns)
+
+		assert.Equal(t, expectedCC, actualCC)
+	})
+
+	t.Run("should return suggestion for .talismanrc format when matching file name patterns is sent", func(t *testing.T) {
+		defaultSHA256Hasher := utility.DefaultSHA256Hasher{}
+		gitAdditions := []gitrepo.Addition{
+			{
+				Path: "GitRepoPath1",
+				Name: "GitRepoName1",
+			}, {
+				Path: "GitRepoPath2",
+				Name: "GitRepoName2",
+			},
+		}
+		expectedCC := "\n\x1b[33m.talismanrc format for given file names / patterns\x1b[0m\nfileignoreconfig:\n- filename: '*1'\n  checksum: 54bbf09e5c906e2d7cc0808729f8120cfa3c4bad3fb6a85689ae23ca00e5a3c8\n- filename: Git*2\n  checksum: d2103425cbcc10118556d7cd63dd198b3e771bcc0359d6b196ddafcf5b87dac5\n"
+		fileNamePatterns := []string{"*1", "Git*2", "*NonExistenceFileNamePattern3"}
+		cc := NewChecksumCalculator(defaultSHA256Hasher, gitAdditions)
+
+		actualCC := cc.SuggestTalismanRC(fileNamePatterns)
+
+		assert.Equal(t, expectedCC, actualCC)
+	})
+}