github.com/darkowlzz/helm@v2.5.1-0.20171213183701-6707fe0468d4+incompatible/pkg/resolver/resolver_test.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes Authors All rights reserved.
     3  Licensed under the Apache License, Version 2.0 (the "License");
     4  you may not use this file except in compliance with the License.
     5  You may obtain a copy of the License at
     6  
     7  http://www.apache.org/licenses/LICENSE-2.0
     8  
     9  Unless required by applicable law or agreed to in writing, software
    10  distributed under the License is distributed on an "AS IS" BASIS,
    11  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  See the License for the specific language governing permissions and
    13  limitations under the License.
    14  */
    15  
    16  package resolver
    17  
    18  import (
    19  	"testing"
    20  
    21  	"k8s.io/helm/pkg/chartutil"
    22  )
    23  
    24  func TestResolve(t *testing.T) {
    25  	tests := []struct {
    26  		name   string
    27  		req    *chartutil.Requirements
    28  		expect *chartutil.RequirementsLock
    29  		err    bool
    30  	}{
    31  		{
    32  			name: "version failure",
    33  			req: &chartutil.Requirements{
    34  				Dependencies: []*chartutil.Dependency{
    35  					{Name: "oedipus-rex", Repository: "http://example.com", Version: ">a1"},
    36  				},
    37  			},
    38  			err: true,
    39  		},
    40  		{
    41  			name: "cache index failure",
    42  			req: &chartutil.Requirements{
    43  				Dependencies: []*chartutil.Dependency{
    44  					{Name: "oedipus-rex", Repository: "http://example.com", Version: "1.0.0"},
    45  				},
    46  			},
    47  			err: true,
    48  		},
    49  		{
    50  			name: "chart not found failure",
    51  			req: &chartutil.Requirements{
    52  				Dependencies: []*chartutil.Dependency{
    53  					{Name: "redis", Repository: "http://example.com", Version: "1.0.0"},
    54  				},
    55  			},
    56  			err: true,
    57  		},
    58  		{
    59  			name: "constraint not satisfied failure",
    60  			req: &chartutil.Requirements{
    61  				Dependencies: []*chartutil.Dependency{
    62  					{Name: "alpine", Repository: "http://example.com", Version: ">=1.0.0"},
    63  				},
    64  			},
    65  			err: true,
    66  		},
    67  		{
    68  			name: "valid lock",
    69  			req: &chartutil.Requirements{
    70  				Dependencies: []*chartutil.Dependency{
    71  					{Name: "alpine", Repository: "http://example.com", Version: ">=0.1.0"},
    72  				},
    73  			},
    74  			expect: &chartutil.RequirementsLock{
    75  				Dependencies: []*chartutil.Dependency{
    76  					{Name: "alpine", Repository: "http://example.com", Version: "0.2.0"},
    77  				},
    78  			},
    79  		},
    80  		{
    81  			name: "repo from valid local path",
    82  			req: &chartutil.Requirements{
    83  				Dependencies: []*chartutil.Dependency{
    84  					{Name: "signtest", Repository: "file://../../../../cmd/helm/testdata/testcharts/signtest", Version: "0.1.0"},
    85  				},
    86  			},
    87  			expect: &chartutil.RequirementsLock{
    88  				Dependencies: []*chartutil.Dependency{
    89  					{Name: "signtest", Repository: "file://../../../../cmd/helm/testdata/testcharts/signtest", Version: "0.1.0"},
    90  				},
    91  			},
    92  		},
    93  		{
    94  			name: "repo from invalid local path",
    95  			req: &chartutil.Requirements{
    96  				Dependencies: []*chartutil.Dependency{
    97  					{Name: "notexist", Repository: "file://../testdata/notexist", Version: "0.1.0"},
    98  				},
    99  			},
   100  			err: true,
   101  		},
   102  	}
   103  
   104  	repoNames := map[string]string{"alpine": "kubernetes-charts", "redis": "kubernetes-charts"}
   105  	r := New("testdata/chartpath", "testdata/helmhome")
   106  	for _, tt := range tests {
   107  		hash, err := HashReq(tt.req)
   108  		if err != nil {
   109  			t.Fatal(err)
   110  		}
   111  
   112  		l, err := r.Resolve(tt.req, repoNames, hash)
   113  		if err != nil {
   114  			if tt.err {
   115  				continue
   116  			}
   117  			t.Fatal(err)
   118  		}
   119  
   120  		if tt.err {
   121  			t.Fatalf("Expected error in test %q", tt.name)
   122  		}
   123  
   124  		if h, err := HashReq(tt.req); err != nil {
   125  			t.Fatal(err)
   126  		} else if h != l.Digest {
   127  			t.Errorf("%q: hashes don't match.", tt.name)
   128  		}
   129  
   130  		// Check fields.
   131  		if len(l.Dependencies) != len(tt.req.Dependencies) {
   132  			t.Errorf("%s: wrong number of dependencies in lock", tt.name)
   133  		}
   134  		d0 := l.Dependencies[0]
   135  		e0 := tt.expect.Dependencies[0]
   136  		if d0.Name != e0.Name {
   137  			t.Errorf("%s: expected name %s, got %s", tt.name, e0.Name, d0.Name)
   138  		}
   139  		if d0.Repository != e0.Repository {
   140  			t.Errorf("%s: expected repo %s, got %s", tt.name, e0.Repository, d0.Repository)
   141  		}
   142  		if d0.Version != e0.Version {
   143  			t.Errorf("%s: expected version %s, got %s", tt.name, e0.Version, d0.Version)
   144  		}
   145  	}
   146  }
   147  
   148  func TestHashReq(t *testing.T) {
   149  	expect := "sha256:e70e41f8922e19558a8bf62f591a8b70c8e4622e3c03e5415f09aba881f13885"
   150  	req := &chartutil.Requirements{
   151  		Dependencies: []*chartutil.Dependency{
   152  			{Name: "alpine", Version: "0.1.0", Repository: "http://localhost:8879/charts"},
   153  		},
   154  	}
   155  	h, err := HashReq(req)
   156  	if err != nil {
   157  		t.Fatal(err)
   158  	}
   159  	if expect != h {
   160  		t.Errorf("Expected %q, got %q", expect, h)
   161  	}
   162  
   163  	req = &chartutil.Requirements{Dependencies: []*chartutil.Dependency{}}
   164  	h, err = HashReq(req)
   165  	if err != nil {
   166  		t.Fatal(err)
   167  	}
   168  	if expect == h {
   169  		t.Errorf("Expected %q !=  %q", expect, h)
   170  	}
   171  }