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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package lib | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sort" | ||
|
|
||
| semver "github.com/hashicorp/go-version" | ||
| ) | ||
|
|
||
| // GetSemver : returns version that will be installed based on server constaint provided | ||
| func GetSemver(tfconstraint *string, mirrorURL *string) (string, error) { | ||
|
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| listAll := true | ||
| tflist, _ := GetTFList(*mirrorURL, listAll) //get list of versions | ||
| fmt.Printf("Reading required version from constraint: %s\n", *tfconstraint) | ||
| tfversion, err := SemVerParser(tfconstraint, tflist) | ||
| return tfversion, err | ||
| } | ||
|
|
||
| // ValidateSemVer : Goes through the list of terraform version, return a valid tf version for contraint provided | ||
| func SemVerParser(tfconstraint *string, tflist []string) (string, error) { | ||
| tfversion := "" | ||
| constraints, err := semver.NewConstraint(*tfconstraint) //NewConstraint returns a Constraints instance that a Version instance can be checked against | ||
| if err != nil { | ||
| return "", fmt.Errorf("error parsing constraint: %s", *tfconstraint) | ||
| } | ||
| versions := make([]*semver.Version, len(tflist)) | ||
| //put tfversion into semver object | ||
| for i, tfvals := range tflist { | ||
| version, err := semver.NewVersion(tfvals) //NewVersion parses a given version and returns an instance of Version or an error if unable to parse the version. | ||
| if err != nil { | ||
| return "", fmt.Errorf("error parsing constraint: %s", err) | ||
| } | ||
| versions[i] = version | ||
| } | ||
|
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| sort.Sort(sort.Reverse(semver.Collection(versions))) | ||
|
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| for _, element := range versions { | ||
| if constraints.Check(element) { // Validate a version against a constraint | ||
| tfversion = element.String() | ||
| fmt.Printf("Matched version: %s\n", tfversion) | ||
| if ValidVersionFormat(tfversion) { //check if version format is correct | ||
| return tfversion, nil | ||
| } | ||
| } | ||
| } | ||
|
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| PrintInvalidTFVersion() | ||
| return "", fmt.Errorf("error parsing constraint: %s", *tfconstraint) | ||
| } | ||
|
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| // Print invalid TF version | ||
| func PrintInvalidTFVersion() { | ||
| fmt.Println("Version does not exist or invalid terraform version format.\n Format should be #.#.# or #.#.#-@# where # are numbers and @ are word characters.\n For example, 0.11.7 and 0.11.9-beta1 are valid versions") | ||
| } | ||
|
|
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| // Print invalid TF version | ||
| func PrintInvalidMinorTFVersion() { | ||
| fmt.Println("Invalid minor terraform version format. Format should be #.# where # are numbers. For example, 0.11 is valid version") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package lib_test | ||
|
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| import ( | ||
| "testing" | ||
|
|
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| "github.com/warrensbox/terraform-switcher/lib" | ||
| ) | ||
|
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| var versionsRaw = []string{ | ||
| "1.1", | ||
| "1.2.1", | ||
| "1.2.2", | ||
| "1.2.3", | ||
| "1.3", | ||
| "1.1.4", | ||
| "0.7.1", | ||
| "1.4-beta", | ||
| "1.4", | ||
| "2"} | ||
|
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| // TestSemverParser1 : Test to see if SemVerParser parses valid version | ||
| // Test version 1.1 | ||
| func TestSemverParserCase1(t *testing.T) { | ||
|
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| tfconstraint := "1.1" | ||
| tfversion, _ := lib.SemVerParser(&tfconstraint, versionsRaw) | ||
| expected := "1.1.0" | ||
| if tfversion == expected { | ||
| t.Logf("Version exist in list %v [expected]", expected) | ||
| } else { | ||
| t.Logf("Version does not exist in list %v [unexpected]", tfconstraint) | ||
| t.Errorf("This is unexpected. Parsing failed. Expected: %v", expected) | ||
| } | ||
| } | ||
|
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| // TestSemverParserCase2 : Test to see if SemVerParser parses valid version | ||
| // Test version ~> 1.1 should return 1.1.4 | ||
| func TestSemverParserCase2(t *testing.T) { | ||
|
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| tfconstraint := "~> 1.1.0" | ||
| tfversion, _ := lib.SemVerParser(&tfconstraint, versionsRaw) | ||
| expected := "1.1.4" | ||
| if tfversion == expected { | ||
| t.Logf("Version exist in list %v [expected]", expected) | ||
| } else { | ||
| t.Logf("Version does not exist in list %v [unexpected]", tfconstraint) | ||
| t.Errorf("This is unexpected. Parsing failed. Expected: %v", expected) | ||
| } | ||
| } | ||
|
|
||
| // TestSemverParserCase3 : Test to see if SemVerParser parses valid version | ||
| // Test version ~> 1.1 should return 1.1.4 | ||
| func TestSemverParserCase3(t *testing.T) { | ||
|
|
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| tfconstraint := "~> 1.A.0" | ||
| _, err := lib.SemVerParser(&tfconstraint, versionsRaw) | ||
| if err != nil { | ||
| t.Logf("This test is suppose to error %v [expected]", tfconstraint) | ||
| } else { | ||
| t.Errorf("This test is suppose to error but passed %v [expected]", tfconstraint) | ||
| } | ||
| } | ||
|
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| // TestSemverParserCase4 : Test to see if SemVerParser parses valid version | ||
| // Test version ~> >= 1.0, < 1.4 should return 1.3.0 | ||
| func TestSemverParserCase4(t *testing.T) { | ||
|
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| tfconstraint := ">= 1.0, < 1.4" | ||
| tfversion, _ := lib.SemVerParser(&tfconstraint, versionsRaw) | ||
| expected := "1.3.0" | ||
| if tfversion == expected { | ||
| t.Logf("Version exist in list %v [expected]", expected) | ||
| } else { | ||
| t.Logf("Version does not exist in list %v [unexpected]", tfconstraint) | ||
| t.Errorf("This is unexpected. Parsing failed. Expected: %v", expected) | ||
| } | ||
| } | ||
|
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| // TestSemverParserCase5 : Test to see if SemVerParser parses valid version | ||
| // Test version ~> >= 1.0 should return 2.0.0 | ||
| func TestSemverParserCase5(t *testing.T) { | ||
|
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| tfconstraint := ">= 1.0" | ||
| tfversion, _ := lib.SemVerParser(&tfconstraint, versionsRaw) | ||
| expected := "2.0.0" | ||
| if tfversion == expected { | ||
| t.Logf("Version exist in list %v [expected]", expected) | ||
| } else { | ||
| t.Logf("Version does not exist in list %v [unexpected]", tfconstraint) | ||
| t.Errorf("This is unexpected. Parsing failed. Expected: %v", expected) | ||
| } | ||
| } |
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